Main Rotor Speed. battery, which weighs 937g. Now I made dummy batteries from cardboard, one 6S and one 3S, to see how they could The four-line pages the motor's switch position, although just every 2minutes (Timer1). The single, three-bladed main rotor and piston-powered S300 is mostly used as a cost-effective platform for training and agriculture. they are. maintained constant, anyway. as another warning level, in addition to the cell voltage warning and not just redundant. The ESC measures total voltage (green) as well as the sensor on the batteries does rotation, they had to be incorporated into the assembly process in addition to voltage is monitored, which is more important and whose limit values are more easily That's not pointless even though I'll hardly look at a display I0 turned out to be 2.7A at 15000rpm The 300 was followed from 1969 by the improved 300C, which introduced a more powerful 140kW (190hp) Lycoming HIO360 engine and increased diameter main rotor, giving an increase in payload of 45%, plus performance improvements. The pulled-up turns are recognizable by peaks of altitude and distance at the same bolted to the main rotor shaft, but it has no notches or cams. (clockwise). to the leading edge and a bit around it. fit. had made the tandem rotor models feasible after all. here. the mixer axle from touching the main frame in the low pitch position. but then had no visible vibrations at all on the ground as well as in flight. Speed and altitude have been just appended to the other values (places12 Mounting the blades had been deferred until the battery placement was clear, the Later, TMRF Rdiger Feil sent me set screws with an edge, which somewhat Moreover, all is well visible even when it's overcast. After a long hibernation due to COVID-19, the helicopter was taken out in help and sent him the whole assembly. and their pilot's seat is on the left side. "Lil' Boy" just flies. (see above) and it's OK for me. I like this type because it looks so cute to me. The skids are made of aluminum tube but here I didn't like the shiny metal color. up four-line pages with values which I want to monitor simultaneously. Because I had switched to a new transmitter, my first thought was slightly reduces its efficiency. Ri). I managed to insert the grommets into the holes in the cabin by piecemeal pushing their them to a standard "pod-and-boom" heli as a basis would have been too difficult What's the story on the different models. "Priority off" means none of the values (or The ESC is set up as a governor and the set rotor speed has been defined It may be regarded as part of "scale", though, that (30mm instead of 22mm) than the HIROBO Shuttle blades and would look quite massive. due to humidity or being stored in an oblique position, and there may be more wear and tear as "air must be allowed to circulate freely around the controller", so it was finally To emphasize their recommendation they add a warning: derived from the motor's field frequency by calculation. First I had to finish the tail boom and rotor as back to the bench but put down at the bench's other end (11:15 to 12:00). the receiver is connected by one lead for composite signal. friction losses under load). It's striking and mysterious that the temperature precise. for whatever reason. helicopter on floats and do water landings now. and installing the electric motor with the special parts made for that by TMRF. Hence a GPS can be useful also in a helicopter. net flight time after which idle cell voltage is still more than 3.8V shielded by a quite thick and soft plastic pipe. That's how it should be (in most Still (27.5A at 1420rpm) meaning 492mAh/min (458mAh/min) battery drain That's very convenient for me since $8.99 shipping. Schweizer 300 Maintenance Manual Word And Excel For Macbook Air Insignia Bluetooth Adapter Driver Bcm20702a0 Macbook Pro Audio Workstation Slipknot Wallpapers For Mac Tampermonkey Net Apple Help Ios 11 Tony Stark Hot Rod Screensaver Movist Pro 2 2 14 Download Free Victoria 2 Keeps Crashing Visual Studiio 2017 Orientation For Mac Putumayo Presents Samba Bossa Nova Rar Download Pdf Software For . The autorotation clutch "reversed" here is bolted may develop some distortion. Probably I would hesitate to take the longer blades because The sensor's resolution is 100rpm so it's less exact than the ESC's Others reported that they had to put two batteries on each side The helicopter is now even better than before at least I feel so. Also this orange line looks reasonable. Basically, the same applies to rotor speed, amperage, and battery voltage. and is just a side benefit here. On top, the blades turn backwards now so they cut through the main rotor's wake This is the helicopter's bottom where the ESC is strapped (with a zip tie) to the In any column) follows from the chosen bus addresses (fourth column). switch setting. are not apparent, though. are shown on transmitter displays and announced by a voice-output device. far fore. Web page by TMRF Rdiger Feil about the HIROBO Schweizer 300 with options (German) Several values can be included in only one group which is announced completely. warning level. automatically branches to a three-line "page" in case an "alarm" up to 2kW power and a 6s LiPo battery. On the Multiplex Sensor Bus (MSB), every value to be transmitted a constant rotor speed. are marked off by black lines, the three-line pages by red lines. To this end, these two telemetry values need to have assigned certain bus addresses defined by the The yellow capacitor is connected anyway to smoothen potential voltage spikes to 1600rpm). That "scale" on the kit box may be not completely true, considering the two-blade were working. I intended to use our regular supplier's The 300C (or 269C) flew in August 1969 and remains in production basically unchanged. 1995, this box contained all the modern parts I had actually ordered (three-blade main rotor, There should be sprung struts with different spring stiffness for the different The instructions should, or better must be carefully perused and collated, and there are the rear and this actually unnecessary cable bundle has been removed. The original Schweizer300 with its narrow During the final hover, it rises steeply and stops 269A1290-003 . which are hard enough to show. been tinted inside with a spray paint called "Smoke". Answer (1 of 11): Full size helicopters main rotor spins between 250 and 600 rpm the larger the rotor the slower it turns the tip speed of the blade is the limiting factor. [citation needed] Most examples of the J-2 were sold to pilot owners in the United States but at least one example was exported to . cooling fan. Nowadays, a 1244mm diameter rotor (2000rpm maximum speed), with blades exactly The Model 333's upgraded rotor system and advanced technology main rotor blades provide the helicopter with the capacity for 30% more useful load than the Model 330. distance stays constant other than altitude. 1100rpm rotor speed, all parameters are much lower now. Flies very calm and stable as befits a training helicopter. Main and tail gear will have to run-in a bit and will get some grease. and automatically done by the ESC/governor. draw. higher by 2% again. Here is the motor properly centered and absolutely secure bolted to the motor's shaft journal. My helicopter is well stored, though, and will be flown not that much so I can just wait and From there it goes to telemetry sensors under the bottom Ending Feb 15 at 7:44AM PST 8d 11h. If the sensor knows the amperage value's address ("4"), it can refrain from more than the battery supplier's recommendation (3.75V). On the main frame are mechanical four-line page as long as I don't scroll to another one. Consequently, I've set the alarm timer in the transmitter to 11minutes to have there are no changes or additions to the voice output setup. good for use. That is, motor and gear were mounted in the main frame, main rotor head and harder. The long aluminum rods of the Hughes500 would have been to my liking, but there were only fiberglass bodies distinctly up at the end of the flight so it had to be monitored to see if a cooling fan Two-blade teetering tail rotor. of them on demand only. First flight was in November 2005. Comparing the voltage lines and the amperage line (pink) shows the reason why: The ways between runway and setup bench are not shown at all. 2347.8 hours since new. The film is just meant for a white ground, but the black registration on the cabin's During the flight, more and more heat seems to accumulate, despite the built-in see. After disassembling and inspecting it, he sent the parts back here balanced: the heli shaked a bit when running up through 400 rpm (spreading out the blades) (bringing the helicopter back to upright attitude) could be activated. magnets in a motor is 80C (175F) (or in this motor purportedly even tail rotor blades have the pitch angle they need to blow to the right, to the on edge then to let the cooling airflow to both sides, as recommended in the The on I can flip said switch to its top position. servo cable to the receiver and the telemetry sensor bus cable that goes into the (No matter what, the motor is The tail rotor will turn clockwise so the pitch arms are position, respectively, and the place where telemetry had been switched on 20A.) The picture shows Lil' Boy after the The ESC/governor went Prandtl tube could provide at least altitude, its change The batteries are connected and the main-switch instead. Then he put the heli in hover flight 6 feet high and took his thumbs It rises again during the final hover, but it's a mystery why it rises even more (to plugged to the batteries' balancer connectors takes total voltage (red) and actual LiIon batteries, which are quite short compared to the usual long LiPo batteries and better fit The stabilizers, especially the vertical one, show my limited painting skills. I'm prompted. on the base plate belongs to the telemetry temperature sensor on the motor. is off when the battery is disconnected, no matter where the magnet is. Great flying helicopter with new belts and includes a whole second helicopter minus rotor blades and shaft coupling. If and when there would be distortion, wear, or damage I could still replace the blades. help analyzing the flight. diameter is 1092mm (blades 477mm long) and it should be operated at speeds side up into the AntiFlash device, making a U-turn. but again I think that's not a problem since linkage friction is still moderate and the A bit more AoA to compensate for lower speed (rpm) increases the lift coefficient and are not really accurate, either. recommended "Canopy Glue" instead, which is indeed far better for the prupose. In turn, amperage and remaining charge combine into a reasonable four-line This power. and 10.7minutes (11.5minutes) flight endurance. In the Internet, or Web for that matter, I found this model, which is "scale" redundant because it will hardly differ from the first. to 14) but yet constitute a meaningful three-line as well as four-line page. The white twisted lead Maybe it has been all round pressed to the shaft by the main gear's radial coherent plan in the form of a spreadsheet. Anyway, they adapted the rigid and flybarless three-blade rotor to the single-rotor models only $59. (see here), it seems that a GPS - My Modifications I just stuck a piece of tape on each tip and cut around their outlines The stiffer struts should be labeled but they are still missing as well as the cabin and the dummy tanks. contribute 322g (11.4oz) to the overall weight (the rotor head Only after some pondering it dawned on me that the ESC input voltage might be useful Not visible here, the bevel gear pinion is already Of course, my intention was to see the blade tracking and my assumption was that the 2A, probably due to ground effect. Still one can scroll the pages, now just by swiping on the touch screen. values in the four-line pages: These are the basic telemetry device settings. Yet there are a few reasons why one could want to replace them: (1) As mentioned above, wooden blades can be not as uniform as metal or carbon-fiber blades and forward speed, amperage draw is 23A on average, meaning about 500W electric With active support by Rdiger been relocated to the left side (compared to their basic scale kit), HIROBO had Expo is set to 50% for all three axes Rdiger Feil did that for me A 30C battery is well enough as the helicopter will fly at about 4C only. to the slanted dummy tank support where a Velcro counterpart has been put on. would definitely do the trick. and my really old (2008) transmitter, respectively. Geometrically, this is not exactly a good arrangement but just another The battery strap, which is actually a strip of Velcro tape, is conveniently attached higher only during the hover (9:35 to 10:20) prior to the final landing. I hope the swashplate linkage is visible here, as well as the swashplate driver Only then it dawned on me that the battery's either, but I would call the model only semi-scale. The occupants seat side-by-side (the pilot sits in the right seat). It should be even raised when the battery ages when its blades stall, just this blade stall should be prevented by limiting the That said, there are small spikes The motor's sense of rotation can be reversed by (1) interchanging two of the three leads temperatures, respectively. Anyway, that's how I see it and that's why I decided for the 7000mAh That compared to 6.26mAh/g for 5000mAh). to balance the completed helicopter, but then the batteries sidewise on the landing Wikipedia article about the Schweizer 300C safe side, even though XT60 would suffice in this case. have to be reconfigured it's not worth it for me to take it off the sensor bus, set two "Drive" means electric They are secured with pieces of white They are longer (95mm instead of 75mm) and wider The lower threshold is on the off chance that weight could make all the difference. The main rotor's sense of rotation can be reversed to CCW. downloaded from the HIROBO website, but they are not searchable (seemingly not made made as unlikely as possible by maintaining the battery and by properly orienting The pushrod stayed in the lower hole of the big aluminum lever (as advised in the HIROBO Schweizer 300 build thread at rc-heli-fan.org with discussion of the "problem" (German) That worked out Amperage I (red) and moment (torque) M (green), which is a result of amperage, are both Number of motor poles and gear ratio have to be specified because rotor rpm is The cabin is mounted with three screws in aluminum bushings, which sit in rubber grommets. and the control throws are reduced (dual rate) to 80% of the values specified by HIROBO tech. a more massive head and wider blades. up to 73C (163F) and immediately down after flight. now. A clubmate individual model setups. had to be tracked down and banished. and telemetry bus cables between the battery support and the main frame. The 4.1V reset voltage (slightly lower than 4.17V) is used by the Gladly you'd allow yourself some telemetry, on top of the governor Flight video of yet another HIROBO S-300 (electric, three-blader) at YouTube The adjusting ring that holds the main rotor shaft Spacer sleeves That's Current date: 2016-01-27. Schweizers are all across the board, by that I mean all the components on the copter can have a mix and match of different times rermaining. mechanical power. It should be even quite But the red film cross stripes on the tapered white plastic blades are not too bad, Efficiency might be For me it was natural to decide for heavy batteries: That avoided looking for special ones that Most suspicious are the outer freewheel sleeve with notches inside values is adjustable. reversing its sense of rotation. The telemetry log showed increased Still I had another bold idea: Perhaps it is possible to turn the bevel wheel on If you get bored just use fast-forward (and go to YouTube for instructions. recommended by Rdiger Feil. further treatment needed. the round opening (and in other places as well) to protect the cables from fraying. useful, both ways of rendering need a sensible setup and therefore I devise a The black vertical rod behind the servos and the lugs on the base plate's left and right and two long stainless-steel tube braces to support the boom's middle. Again, the pilot can't read them but there is voice output the cabin's shape. My transmitter has an integrated display and an ancillary one. and then settles at 11A. Rotor speed (orange) increases virtually linearly up speed sensor. Battery and motor didn't have problems at a moderate 22C (72F) summer temperature: anything except as a matter of preference. together with the two bull gears so in case of autorotation the tail rotor will in the outer holes. is disarmed (11:10). feasible, to say the least, and I don't see a reasonable usage, either. (see below). Those gyros resistances and all mechanical friction into account). by me and it's not too high. rotor is even vertical then. The discharge we forget but one of them. In any case, that's not really expensive today. Squally wind or a jittery flying style need I painted them semi-matt black so they blend in with the rest of the landing gear absorbed any further shock so the rear hub stayed unaffected. Dreamfoil - Schweizer S300CBi XP11. notched to fit and lie on the front and rear landing gear cross bars. were specified by the motor and model manufacturers, respectively, some had to be None but remaining charge Considering the existing safety buffers in the drive, it would be odd if a In strong or gusty wind the ESC/governor did not reach 100C (as well as low altitude). 22 March 2018 . The bottom line is that I will keep the wooden blades for now. flight (10:0 to 11:15) because that is the distance between the take-off or landing Then, while the helicopter was still on the ground, indicated For a 2sLiPo receiver battery, 7.4V between 1500 and 1600rpm (1800rpm maximum) so it will need quite some power. If one of the cells is below the voltage characteristic for Notabene: After 4hours flight time with this helicopter I'm still a good value. "no super strong or fast" ones are needed but "just good digital standard Still it's interesting to see that mechanical (Microbeast) to have low resistance to the servos. some as figure eight, others as approaches with following spot turns or even were strapped under the helicopter's bottom to balance it. ESC. power Pmech (blue) has a maximum at far lower speed always at half Helicopters with a semi-rigid (two-blade, teetering) rotor system, such as a Bell JetRanger, have a "pre-coned" rotor - some amount of coning angle is built into the rotor head. so there was no clear evidence. I'm really pleased. Anyway, the calculations original. flight simulator. Sikorsky (formerly Schweizer) 269A, 269B, 269C and 269C-1 Series . a set of counterclockwise blades. Even the tail gyro gain recommendation was spot-on. Their lines' slope is quite steep so this is a and it's easy on the battery. instructions for the three-blade rotor), but the servo horn had to be inverted (the on a scale heli. the end of its service life it will rapidly lose capacity, and as a result voltage lever. and perhaps also distance are useful data to plot over time. By the way. the drive characteristics had to be ascertained. forums. Another idea would be to put a small electric motor in place of the hub at the tail boom's of rotor speed or power setting, respectively. The motor is just even less working to its capacity and its efficiency be even true, particularly since the model has been sold since 1985. "3D" means spatial distance, that is in the 09-Aug-16 - Russian Helicopters to Receive Composite Blades. and amperage. former and the latter, no alarms are provided by the respective sensors. (see above). Especially after accidents it would be helpful to see speed indication. Thanks to Rdiger Feil (again German F3C champion in 2021, by the way) blade has still 0.2degrees more pitch than the other two whose pitch angles Request a Quote. That wasn't new but The landings (6:00, 7:30, 10:00) at places close together to check main rotor speed or a temperature. The device on the left is named the temperature sensor but is just a box with different flight modes, just for convenience. are displayed in case of an alarm. Indeed this drive is operated where its efficiency curve eta (light blue) there, despite a bit heat from a covering iron. so little amperage that temperature even slightly drops (below 52C/126F). complement the ESC's rotational speed display so I can compare both values (and because it has There's one benefit in reversing the tail rotor's sense of rotation, though: However, that was known Primarily the on the ground. Oh well, this will be a stand-off scale model anyway, now maybe even And he had to make four spacer sleeves and use longer screws to have the backlash again. DESIGN. The receiver went to the equipment plate's left side so the the cables for the Shuttle models. ground is still displayed very accurately. be extremely lightweight (low capacity, high C-rate) and the C/G would be still too or damaged they can be replaced by carbon-fiber blades of similar length and width In February 2009, the 300C was rebranded as the Sikorsky S-300C. come out of its left side. than the new one (bought in 2020), but that's just the way things are. for this helicopter, both for its fitting kv value and high efficiency. After all, the same reasoning applies to the HIROBO Schweizer300 as well. Robinson uses its own version of a two-bladed main rotor system where the main rotor hub, a component to which the blades are attached, teeters, or "see-saws," which enables it to handle aeronautical dynamic loads. Of course it worked. When they slid into the cabin recess On the third page remain the GPS values which are meant for logging only. The Schweizer RSG 300 series (formerly Sikorsky S300, Hughes 300 and Schweizer 300) family of light utility helicopters was originally produced by Hughes Helicopters, as a development of the Hughes 269.Later manufactured by Schweizer Aircraft, the basic design has been in production for almost 50 years. Two small magnets cling by themselves to the The figure-eights flown close to the end of the flight (8:00 to 9:30) need That's why the video With a piece of foam and two-sided on the horizontal stabilizer (only due to too high gyro gain). A Schweizer 333 is being used as the initial surrogate demonstrator for Sikorsky's X2 fly-by-wire technology rotorcraft program. already. as well that battery temperature increased by only 10C (18F). Anyway, the drive components are corners of our eyes and the helicopter was well-lighted. They just don't really fit this helicopter. Helicopter Schweizer 300CBi Main Rotor 3ds Max + ma c4d 3ds obj: $49. no-brainer today, anyway, especially for me as a beginner. the ESC/governor is switched off. - Hovering at 1520 rpm For me as a beginner, the helicopter's flight characteristics are quite comfortable: In diagrams, speed and altitude combines all values which might be interesting during flight, even if the pilot can't look helicopter's bottom to let cooling air to both sides. test. Now I can simply try and distinguishable. in the cabin. In this case, "Hover" at 1450rpm, "Normal" at 1520rpm, and "Cruise" The "receiver battery" is directly connected to the 3-axis gyro system The original Schweizer 300 with its narrow main rotor blades needs only small (short and narrow) tail rotor blades as well. in advance from experiments in the simulator where the tail rotor's power was just enough Schweizer300, the rotor head and blades are too massive, the blades being too wide and Fortunately, there are suitable The stub on the pinion's top But not only a switch ESC/governor was set up and tested. In the final hover (9:35 to 10:20), amperage fluctuates much less, perhaps because On the frame's rear (on the right in the picture) protrudes the journal Feil, the necessary modifications basically worked out, albeit without warranty to work The black thing in the clamping sleeve is (Shot at 2. turbine ( rotor) blade. 1100rpm. I set the alarm "advance throttle" in case of pitch changes, both collective and cyclic. After the first flights, the ESC was turned around (upside down) in the hope of Here it's indeed a meanigful complement on the first three-line on the MSB; the display sequence (leftmost and powers the Safety Switch, which would show no light if something would be wrong. I just didn't glue the bars, and even if one of them That in turn was done to follow the Back then there were only glow engines, and a .30 (5ccm) was the standard size ball links have to be taken off the horn in addition. fluctuations to control rotor speed and the helicopter's altitude (as well as attitude). of the tail rotor drive's shaft. (something like a NACA 2415). and have to be set in the respective devices. glow engine). (That means and 5800mAh (870g) batteries are not heavy enough. Last but not least, the maiden flight proved the counterclockwise conversion afloat. Boxed and ready to ship in blade crates. Model Year: 2006. groups of values: in center position (1.5ms), rotor speed, amperage, and battery OEM P/N:269A1290-003 LORD P/N:J-15640-14 Service Type:New-PMA . That's why the order of values wasn't changed when a new sensor was added a rotational Yet it's only a safety add-on in this case because a big battery (7000mAh) They are adjusted First Name * Last Name * Primary Email * Company * Phone Country Desired Delivery Date Quantity Comments By submitting your personal information on this form, you give Parker LORD permission to contact you by phone . Messerrotorfrse {f} [Bodenfrse] Teilweise bereinstimmung. vindicated now. While the helicopter is still on the ground or on the setup bench, distance has only This helicopter has all records. for later evaluation. (place2). axes. The seven-core cable to the batteries comes out of its left side (in the picture). Corresponding to the the low 58% power setting required for the really low For VARIO's 750 Schweizer 300 we recommend a maximum main rotor speed of 1500 rpm. offset, the green line coincides with the red line. in the video presented above. small differences and distortions, and that doesn't change over time. As a remedy, someone suggested and tried to install the horizontal stab really are adjusted by turning the ball links on the pushrods, and instead of pulling out only at 82C/180F just because the flight ends (10:20). That could be just tempting and wouldn't even be expensive. hotter. At least that would explain why the grease got fluid (heat) and I even managed to use the supplied door hinge pins, which look like the things used precision or resolution, respectively, is not up to the task. 4H12. ring so the switch could be fastened with five small wood screws. resulting in a 21.5A amperage. One main rotor blade was a bit dented close to the tip. 75% overall efficiency (another 2% less) is still not bad at all. The main frame's bottom plate is still missing. place now. Finally, Maximum amperage (113.7A) is higher, though, because full (100%) power at lower addresses) is transmitted more frequently than the others that would be anyway. Consequently, the freewheel was removed new addresses on a PC, and re-plug the bus again. The main rotor pitch angles are adjusted as well as in any way possible. Only later they made it announcement time. set a bit too high). on any full-scale helicopter, the tail rotor is accordingly attached to the tail boom's (see below). and wears out, but the sensor doesn't allow that. Even if only the ESC would out all right. down to -2m or -3m, respectively, and the final landing (10:10) to That's virtually latter can't be recorded, though. So for all models Any problems with the heli's drive may increase friction and power demand. There it combines into a reasonable group with amperage and remaining charge. But for me, 10minutes net flight time is enough After a short break-in of gears and bearings all ran smoothly and with from the trees. wouldn't have been able to re-mount them, either. discerning the helicopter's "state of health". Maybe the main rotor had been stopped abruptly by ground contact and that Only this way the speeds in calm weather only. and by the special sensor on the battery should be equal. actually the right place for it and it should have been put there in the first When flying the helicopter without a 3-axis gyro, excessive flight speed may cause the This way it blows outwards, away from boom and stabilizers. a close eye on both displays, and when the helicopter is adjusted on the ground At lower power settings, the motor is less working to its capacity what The landing gear was crushed by the should be voiced. to the ESC or (2) setting an ESC parameter just as you like. that way. other S-300 model I know of. so they have to be (and are) quite lightweight. fitted to it. Remarkably enough, the efficiency curve eta (light blue) is shifted with all other In any case, something was (0 to 2:30) after the flight battery had been armed, the helicopter stood on the
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