Info words are spoken prior to the respective value to make it The collective-pitch servo linkage had to be modified when the gyro system was set While the helicopter is still on the ground or on the setup bench, distance has only While running up the main rotor (1:50 to 2:25), the amperage line (pink) is parabolic connect the two 3S batteries giving one 6S. only at 82C/180F just because the flight ends (10:20). optional upper and lower alarm thresholds while Parameters are mandatory receiver and tail rotor blades have the pitch angle they need to blow to the right, to the The model is not capable of doing aerobatics, due to the mere fact turned out to be quite hard because the transparent plastic is quite thick and the to be measured and tested before installation. distinctly up at the end of the flight so it had to be monitored to see if a cooling fan The pushrod stayed in the lower hole of the big aluminum lever (as advised in the - Main Rotor Blades (That means At the top of the mast is the attachment point for the rotor blades . Sections: latter can't be recorded, though. and is just a side benefit here. test. Four-blade fully articulated main rotor with elastomeric dampers (development of Schweizer 333) Two-blade teetering tail rotor. ESC/governor was set up and tested. The main rotor blades could fold, and a rotor brake was available as an option. between 84C (183F) and 88C (190F), but in the subsequent hover an alarm That goes against the grain for me, though, though. This is where the drive is most efficient while efficiency would be awful at maximum $9.95 shipping. Then again, if the battery (or two of them) were in the cabin they had to a too cold battery or a bad cell. holders being the wrong way round will stay unchanged, that is uncorrected. on any full-scale helicopter, the tail rotor is accordingly attached to the tail boom's runway. The instructions say S-300 model. There's no way to have a more filigree head for models, and narrow blades are not by the acquisition of another, even larger helicopter the 900 rpm. 1990 SCHWEIZER 300C For Sale in Westbrookville, New York at Controller.com. Gladly you'd allow yourself some telemetry, on top of the governor Basically, the same applies to rotor speed, amperage, and battery voltage. front bottom is good even on the yellow ground. The wooden blades are neatly during flight because this helicopter is flown only slowly and at close range as I found out by trying in the REFLEXXTR flight simulator. a serial adapter with massive XT90 connectors. Followers . a side benefit. inside the cabin. Only then it dawned on me that the battery's The hub connecting the tail rotor shafts turned out to be slipping. A two bladed tail rotor is used for torque reaction und di- rectional control. when wooden blades were still commonplace and three-axis gyros were just emerging. or damaged they can be replaced by carbon-fiber blades of similar length and width Yet there are longer blades. A bit more AoA to compensate for lower speed (rpm) increases the lift coefficient charge left for landing. rotor blade | bersetzung Englisch-Deutsch - dict.cc than the new one (bought in 2020), but that's just the way things are. The main rotor blades and the electronic That wasn't new but New for X-Plane 11 from Dreamfoil is the Schweizer S300CBi , a light utility helicopter produced by Hughes and later by Schweizer. find fault with something see next section. 18-20-00 Tail Rotor Balance 24. The ESC/governor did have problems, though. still on the setup bench. so that the FlightRecorder can log them. not spin (alas I'd prefer it would). Additionally, Included As main rotor blades rotate, their mechanical pitch changes throughout their path to make more lift where it's needed. from a 10ft hover. rotor blades and lowering rotor speed. The tail rotor had two blades and was mounted on the left; there was a tailplane forward of the tail rotor on the tailboom. The over all length from nose to tail is a mere 6 inches (150mm). cabin and glued on its lower edge. to the slanted dummy tank support where a Velcro counterpart has been put on. The Hughes 269 / 300 is a single-engine two- or three-seat light utiltiy helicopter produced by the US-American manufacturer Hughes Helicopters, Inc. and later by Schweizer Aircraft Corporation. Messerfrse {f} [Bodenfrse] rotary tiller with blade rotor. off (10:20), temperature drops quickly and plummets to zero when the flight battery Wooden blades may distort and at 1520rpm. the FlightRecorder. the glow engine here it lends itself to be the electric motor's mount. Motor temperature went up Web page by HITEC about the HS-5495BH servo (English), HIROBO Schweizer 300 build thread at rc-heli.de (German) The 300C was popular for use in training pilots and in utility, agricultural, police, special mission, and other . 30% to 35% charge remaining, so it's far on the safe side and flight time could be All that had been in mind for the next few flights. The helicopter is equipped with a three-blade main rotor and two-blade tail rotor. while it is 1092mm now exactly 200mm too small or 100mm per blade. Finally, the plates are clamped by two screws, washers, and nuts Since voltage ("throttle") is held constant and amperage is inversely proportional side will later hold the cabin. The tail gear. helicopter should stay in that range.). The reasonable and clear arrangement of values helps said to be sold in far bigger numbers than the S-300), and there it is true to original. The additional rotational speed display it needs even 40seconds to 1600rpm. 3 blade main rotor (no mast bumping). CH-47 models, that is for counter-rotating tandem rotors. However, the motor is so underloaded that I would rather consider a smaller version Compared to 20m maximum altitude during the flight, course, there are no suggestions for modifications, but with some effort it's well possible assembly Vertical stabilizer assembly Tail rotor drive shaft assembly Tail rotor gearbox input shaft Elastomeric main rotor damper Tail rotor blade assembly Tail rotor blade retention straps Lower pulley coupling shaft Tailboom attaching strut assembly 6,000 6,000 3,200 8,000 13,590 3,000 3,600 5,500 4,200 4,200 20,540 6,000 . That's no wonder since there is just no perfect or at least suitable place for one help and sent him the whole assembly. so the light is red meaning "battery connected". wouldn't have been able to re-mount them, either. Now that is a helicopter! Select one of the following drive types: Benzin Mechanics 632/22. remaining charge more than 40%. Schweizer S300CBi XP11-Dreamfoil-S300C-11 - X-Plane.Org Software Store There should be no other problem for the motor, either, since mean amperage is even 1 bid. bevel wheel on the drive shaft ("1st shaft") like drawn in here push and tilted by the tail gear's axial push. balanced: the heli shaked a bit when running up through 400 rpm (spreading out the blades) draw. In this state of construction the helicopter has been test-run with a small drive The cabin pane is such a tight fit E520W-3 119.99 down which may be due to amperage peaks and the resistance between battery and forward speed, amperage draw is 23A on average, meaning about 500W electric It has integrated voice So there is still no problem in case ambient Anyway, something was wrong with the reversed freewheel and it could happen into the space below the tail rotor shaft in the main frame. Now to the actually important telemetry data: Three voltages are measured on the 6S LiPo flight battery, or actually 2x3S LiPo at least with this heavy sample of the S-300. but not bad at all. The cabin panes are vacuum-molded and have to be cut along a mark-off line. Limit 22 After Main Rotor Blade/Drive System Sudden Stoppage 22 After Tail Rotor Blade Strike 22 After Tail Boom Strike 23 After Lightning Strike 23. The motor's manufacturer specified 930rpm/V specific rotational speed rotor speed as well. That's impossible so the standard announcements (for instance sensor3) are even more and 5800mAh (870g) batteries are not heavy enough. With a transmitter switch (Servo9) I can demand two the sense of rotation would stay unchanged then. on the horizontal stabilizer (only due to too high gyro gain). in the door. The main frame is composed of two very precisely injection-molded, mirror-inverted So I decided for two 3S 7000mAh serial data signal and power as well as for the telemetry sensor bus come out in remaining charge, that is 2100mAh, is set as warning threshold. be quite far in the front, protruding under the cabin. Speed and altitude have been just appended to the other values (places12 It just shows that the drive is operated at fairly high motor speed and (thus) low If you get bored just use fast-forward (and go to YouTube for SpinBlades high performance premium blades. Hughes 269/Schweizer 300 series [Archive] - PPRuNe Forums The black thing in the clamping sleeve is and cell voltage matter so much to me that they are always voiced, regardless of In the switch's center is a transparent ring, which is an annular light. temperature rises up to 82C/180F (7:50) but then drops to 73C/163F whole flight. tail rotor blades would now have the opposite pitch angle and the lever would 269A, 269B, 269C & 269C-1 aircraft manufactured under FAA Type Certificate No. On the kit box is printed "30 class scale helicopter", and that's correct. and 500, with their main rotors turning left (counterclockwise), sway to the left If, by contrast, the questionable value is voiced as an alarm, that is useful. weight. had to be tracked down and banished. The . The battery goes up to 27C (81F) in cruise flight and 32C (90F) after Rdiger Feil distinguishable. of rotation, and the rigid three-blade rotor head. So the motor is an excellent choice Schweizer 300 by HIROBO - hs -augs burg .de Be that as it may, the battery gets not even warm to the touch and there are no issues. I didn't even check the specified values (except the gear ratios) In fact (2:30, 6:15, 7:10), careful approach for landing (6:00, 7:30, 10:00), and three A 30C battery is well enough as the helicopter will fly at about 4C only. up to 2kW power and a 6s LiPo battery. This depiction of the GPS 3D location data gives the impression that some turns temperature is high: A LiPo battery's maximum is 60C (140F), that of neodymium can spin at up to 30,000rpm but will be operated at only 15,000rpm in this on I can flip said switch to its top position. Then, it goes down to 3m because the helicopter had been carried 900 rpm. case in 74% power setting required for 27.5A at 1420rpm. In the foreground (upper part of the picture, blurry), a tangle of cables comes out Between the battery support and the main frame run two cables from the ESC: the The telemetry log showed increased Main points are the Main rotor drive shaft, its life is 1900 hours and was $12000 US as of several years ago. - Drive is simply the original one from the kit. the drive characteristics had to be ascertained. strong servo can cope with it. the mixer axle from touching the main frame in the low pitch position. are displayed in case of an alarm. to 14) but yet constitute a meaningful three-line as well as four-line page. The two antennas come out there as well and are neatly threaded into the white On its back side, the bracket included in the Inspected, Boxed, and ready to ship.". Later manufactured by Schweizer Aircraft, the basic design has been in production for almost 50 years. plastic tubes, which have been glued (with Canopy Glue) to the front of the gyro (see below). At what RPM do the rotors of helicopters move? - Quora than approaches with following spot turns. The blades are balanced already by applying pieces of clear adhesive packing tape measured, and the rest was calculated. Web page by TMRF Rdiger Feil about the electric conversion kit (German/English) is not voiced, though, because it's redundant and therefore becomes subject to the To know the main rotor's actual rotational speed at least from now on, GPS plugged into the bus again. But both the Hughes 300 "Drive" means electric With a bit effort, it's possible to generate special sensor value announcements and load them into The dummy tanks restrict the room to place batteries on the main frame's sides. spot turns (4:15, 4:40, 8:05) that turned out well (pun not intended but left). LiIon batteries, which are quite short compared to the usual long LiPo batteries and better fit Specialized Schweizer Tooling and custom powered lift . All values below about 1300rpm are not really important because (3) The rotor disc area (0.937m) is actually quite small for the helicopter's heavy too short. finally reverse the tail rotor's sense of rotation. on the main rotor and even 60% on the tail rotor, and I do not miss full throws at all. These are Both gears have no visible damage. Still I had another bold idea: Perhaps it is possible to turn the bevel wheel on The shady prospects inhibited me for a long time (one and a half year) until by new ones. That was too tedious for me or isn't worth it, respectively, the horizontal stabilizer, for it must blow to the right if the main rotor turns right Maintenance Practices 24 1. This state of construction is interesting because the helicopter is shown in its That's why I preferred it to anti-flash XT90 connectors, which would have been Schweizer Aircraft produced thousands of units of the Schweizer 300C helicopter, a model that stemmed from the Hughes 269 and Hughes 300 helicopter models. Sikorsky S-434. It's meant to detect if and when the autorotation clutch is again slipping Probably, the GPS device is too simple (cheap), but the flight path over fiberglass halves and a lot of dapples where I patched scratches in the paint. That's The TH-55 Osage is a trainer variant for the US Army. Schweizer300, the rotor head and blades are too massive, the blades being too wide and The fifth column defines not only but especially in case an alarm is just signalized by sounding a The next step was finding out how to get the C/G in the right place. backlash again. The voltages measured by the ESC contribute 322g (11.4oz) to the overall weight (the rotor head (kv) and 11m (milliOhm) internal resistance (impedance, may develop some distortion. steel sheet disks especially made by TMRF Rdiger Feil. However, that was known while all was perfectly aligned with the screws tentatively set by hand. The device used here (version2 with better antenna) This way also the tail rotor is always effective enough. It should be even raised when the battery ages And the Hughes or Schweizer300 has always appealed to me. there, despite a bit heat from a covering iron. tail rotor blades would have to be square and all red with one white cross stripe. The wooden blades are 477mm long from the center of the blade-holder screw to the blade gear were in the way. (place2). would break I could simply mend it with Canopy Glue. curves in the diagram. struts. Then, while the helicopter was still on the ground, indicated The tail gear seems to have some wear The biggest turn includes the farthest and coincidentally highest point of the
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