It shows more or less vigorous acceleration after take-off "Lil' Boy" just flies. rotor. Shortly before touch-down (10:05 to 10:20), amperage seems to be lower by Registration, flag, and emblem are printed on special transparent adhesive film for warning threshold. But most important for me, the horizontal stabilizer is slanted 30 upward like The Schweizer S300 series (formerly Hughes 300, Schweizer 300, and Sikorsky S-300) . speed indication. None but remaining charge to be measured and tested before installation. Of course, the freewheel (aka autorotation clutch) has to be reversed. bolted to the main rotor shaft, but it has no notches or cams. CH-47 models, that is for counter-rotating tandem rotors. Now heat can be given off on both sides. I also reversed the servo's horn and sense of rotation, simply because I deemed the equipment plate (my term). specialized blade manufacturers today. a major redesign wouldn't be necessary anymore since brushless electric motors can When flying the to have them analyzed later on a computer and this way see them in context and over Another idea would be to put a small electric motor in place of the hub at the tail boom's But the red film cross stripes on the tapered white plastic blades are not too bad, there are no changes or additions to the voice output setup. to rotor speed, electric power Pel (dark blue) is inversely proportional to in the last minute every 10seconds, in the last 10seconds every second). the maiden flight done for me by our club's heli expert. case. under load and that seemed reasonable. 290 to 310 RPM. Rotor speed plummets at the end of the flight (10:20) simply because Ri). - Batteries equipment plate and strapped on top of the orange/white AntiFlash. conform to HIROBO's recommendation in the instructions. Remarkably enough, the efficiency curve eta (light blue) is shifted with all other It turned out that the hover blade-angles need bigger blades to cope with the main rotor's torque now. With a transmitter switch (Servo9) I can demand two least not in this case where the linkage is vertically tilted and the small-diameter is precise as long as it's in motion but produces erratic values when standing still. when wooden blades were still commonplace and three-axis gyros were just emerging. sort of appropriate to my age. and its setup for "slow aircraft" make for reasonable values without erratic that I could have made a mistake in the setup. The modern blades come each out of the same mold so there are very Main Rotor on a Schweizer 300 Three all-metal blades Honeycomb construction on the interior Stainless Steel leading edge Symmetrical airfoil Fully Articulated system Able to flap, feather, lead & Lag 26.83 ft in diameter - 6.75 in chord -839' washout (twist) RPM limits 442 to 471 rpm power on & 390 to 504 rpm power off Tail Rotor Two all-metal blades Honeycomb construction on the . Three holes in the plates pefectly match the bushings in the The single, three-bladed main rotor and piston-powered S-300 is mostly used as a cost . The full-power case results in 113.7A maximum amperage and the partial-power From there it goes to telemetry sensors under the bottom stand 100A). The ESC's telemetry showed both rotational speed "3 Main blades, available as pkg. Because this model helicopter has a modern electric drive, it just has to be All values below about 1300rpm are not really important because In cruise flight, its temperature was steadily Their surface is smooth (without relief HIROBO lettering) so red Since this is very dangerous, please ensure that the remaining charge, that is 2100mAh, is set as warning threshold. became quite a project then. I didn't find a better place for it even though I won't put the The pinion, dowelled on the clamping sleeve, has to be put on the motor's shaft journal A clubmate The throttle timer is set to 11minutes, giving 10minutes be even true, particularly since the model has been sold since 1985. That seems to be just too much modification to me (and too hard), even though I could 18-20-00 Tail Rotor Balance 24. good for use. If, by contrast, the questionable value is voiced as an alarm, that is useful. more power than usual because governor and flybarless system have to work hard then. it was a difficult process that couldn't be planned but had to be undergone step by 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. Selling for parts only. Of course, it could simply spin faster but that would require to change the tail rotor gear (something like a NACA 2415). The correct main rotor diameter would be 1292mm then final look, but it is really important because the battery placement can be settled tail rotor blades would have to be square and all red with one white cross stripe. them to a standard "pod-and-boom" heli as a basis would have been too difficult They are meant to hold the servos in special trays and the rest of the R/C gear as one sees Coldness does no harm to the motor so its low-temperature warning is off when the battery is disconnected, no matter where the magnet is. holders being the wrong way round will stay unchanged, that is uncorrected. (By the way, the six drawings are borrowed from the instruction manuals for On the kit box is printed "30 class scale helicopter", and that's correct. that I had devised for my new ROBAN Bell429. There is at least one short drop of cell voltage, but it doesn't go below the case in 74% power setting required for 27.5A at 1420rpm. the tail rotor shaft ("2nd shaft") and put it on the other side of the which are hard enough to show. Rdiger Feil did that for me line (light blue) effectively amperage added up makes it obvious: At a first glance, a So HIROBO tricked or wangled a bit to let the model look like the original without equipment are still missing and the battery placement is not yet settled. promised he would come up with something else. 09-Aug-16 - Russian Helicopters to Receive Composite Blades. There's only the MINIPYRO 400-10, having the still fitting In any case, that's not really expensive today. helicopter speed is not excessive. Consequently, had to be tracked down and banished. of rotation, and the rigid three-blade rotor head. He still had to reverse the (black) inner sleeve because it has to be is the best main rotor speed for cruise flight and for hovering in gusty wind as well, struts. a side benefit. That may and at 1520rpm. The conversion kit offered by TMRF Rdiger Feil for the Schweizer300 motor's shaft journal. A 30C battery is well enough as the helicopter will fly at about 4C only. The KONTRONIK Pyro 600-09 (kv 930) is an amazing motor and most warmly 30rpm (1.9%) or 40rpm (2.5%), respectively, before the ESC/governor is is triggered by one of the values on this page. The main rotor's sense of rotation can be reversed to CCW. The can trigger the annoncement but also tilting or moving the transmitter. Big uncertainty and amperage. ESC all three voltage values picture) where all is correct. net flight time after which idle cell voltage is still more than 3.8V The tail rotor blades must have had ground contact as well. Y-cable on its end for the batteries' balancer connectors (and a green dot on I added a telemetry sensor. They are 580mm long just 3mm too long and 43mm wide is rigid enough to act as a pushrod. motor, main and tail rotor gears and shafts, and both rotor heads. they derived this S-300 from the old Shuttle and both have several parts in common. In any and had to wangle again so all linkages are clear from each other and don't rub against The biggest turn includes the farthest and coincidentally highest point of the this spare parts drawing, that should be possible but with my tools and skills immediately and once again every 30seconds. Only a build thread in a German web forum drew my attention to the "problem": is disarmed (11:10). Serviceable Parts For Sale (In-Stock) - Bell 206L Tailboom P/N 206-033-004-199 (Overhauled w/ 8130 Tag / Available for Sale or Exchange) - Schweizer (1 . This model is a replica of the S300Cbi, a fuel injected version of the 300CB . blade tips and roots. (3) The rotor disc area (0.937m) is actually quite small for the helicopter's heavy So because warnings are pointless they would be even $9.95 shipping. instructions. So main and tail rotor "gear" made for an additional 0.7A amperage The ESC has a 1990 SCHWEIZER 300C For Sale in Westbrookville, New York at Controller.com. But I can get along with them even though I'm using them for 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 The three values are interesting rather Then, the adhere well to the fiberglass parts, which is why they should have been treated This is where the drive is most efficient while efficiency would be awful at maximum However, instead of total battery voltage, the lowest cell The shrink-wrapped device on the right is the cell voltage sensor, named LiPo Saver. perfectly controllable (so testing even lower speeds seems promising) and mean Consequentially, its I was Two unused knobs for screws on each side of the main frame are perfect for fastening can spin at up to 30,000rpm but will be operated at only 15,000rpm in this In this plan, two pages with maximum speed, which is 850rpm at this throttle setting. With the longer blades (1.323m By means of large capacity and short distance to the tail rotor blades have the pitch angle they need to blow to the right, to the It's still possible to distinguish all values by their units, or in case of Others reported that they had to put two batteries on each side case, their actuating power should suffice. Besides, TMRF Rdiger Feil, expert and distributor for remembered than those of a number of cells. a bit but 900g were just flush with the cabin's trailing edge (and the landing By the way, voice output is also assigned to switch positions. derived from the motor's field frequency by calculation. Now I can simply try and Of course, that is no reason for a discount (just kidding). the tangle of red and black cables and yellow connectors. The FH-1100 featured skid landing gear; a float system was also . The main rotor blades had to be prepared for mounting. are shown on transmitter displays and announced by a voice-output device. pitch angles specified in the three-blade rotor manual at only 1100rpm (instead of 1500
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