|Jun 04, 2008, 12:33 PM|
BTW, for spinner mounting on the STA, I used a GWS prop adaptor. On the Rearwin, I replaced the 1811 shaft with a LPS drive shaft. Saves a bit of weight and allows the rubber spinner to be used. A section of heatshrink tubing over the 2mm shaft allows IPS spinners to fit. I don't think I'd try this on 3s as you can see the rear of the spinner expand at WOT.
|Jun 06, 2008, 12:05 PM|
From Walt Moony peanuts plans
Aircoupe semi scale.
UH 5 g motor
2 UH 3,7 g servos
10A UH esc
BA 5 ch receiver(with home made loaded antenna)
200 mAh 2s battery
All home made frame and spoked wheels..
Covered with paper
Waiting for maiden..hope it fly...(CG is ok...)
|Jun 06, 2008, 12:50 PM|
Something a bit different from me
Almost completed, designed for 3D flight, with 240mm rotor diameter, collective pitch, 120 ccpm swash and shaft driven tail.
AUW should be about 55g with 10g motor(using cf shaft), 3s180mAh battery pack and 6A ESC.
More details here http://www.rcgroups.com/forums/showthread.php?t=871709
|Jun 14, 2008, 03:41 PM|
Here's my offering :-
500 mm span delta with KF airfoil
AUW 75g wing loading about 2 oz /sq ft
Motor Indoor flyer 9g brushless 5x3 GWS prop
ESC Indoor flyer 6A
Rx GWS Pico 4ch
Servos 3 x Indoor flyer 4g
Battery x 2 1S full river 250 MAh
CG 52% - 10% ahead of mean aerodynamic centre
Moved to 48% after flight tests
Airframe from 3mm depron with balsa spars no CF reinforcement, but the fin might need it
I'm using two separate cells to make up a 2S pack so that I can use then on their own on other models.
First flight was very hairy the model was ultra sensitive in pitch. Now moving CG to 48% by moving batteries forward. Also found it needs more down thrust
|Jun 14, 2008, 08:40 PM|
I think she'll fly! Looks like she should be quite a floater. I think that is very clever with the two seperate cells. I think i will try that. Maximum flexibility!!
|Jun 15, 2008, 02:55 PM|
Yes it has a keel 10 mm at the front widening to 40 at the rear with quite a bit of the rudder area underneath the wing.
Control is via elevons mixed at the trnasmitter.
The step is at 50% chord and is 14mm at the root tapering to 3mm at the tip.
The weather hasn't cooperated so no moment of truth yet.
|Jun 16, 2008, 10:09 AM|
Here's an other one :
24" Cessna 170 kit from Guillows
5,5g Brushless motor with 5030 prop
2,4g MPS Rec
2 x 2,8g servos
2S 250 mA.h lipo pack
Nose is held by mean of magnets
Wings can be removed for transport and are linked ogether by rubber bands.
I've begun to make this kit in .... 2003 and finlly finished it in 2008 after 5 years in a box!
It flies very well indoor.
|Jun 16, 2008, 11:08 AM|
Thank you, Randy
I would not recommend a guillows kit as the wood is heavy. I think that easy built models are lighter and thus more adequate to an RC conversion, and furthermore, they have plenty of nice models.
Danrc: Normally, the thrust is 70g with this prop, so it's ok. My plane cruises at half throttle.
|Jun 16, 2008, 07:37 PM|
UH 1811 powered Rearwin Speedster 6000M
This is a Golden Age Reproduction kit converted to RC. 30" wing, AUW 5oz. BA 3.6 servos, FLightpower 2s 350ma 18c Lipo. Carbon fiber rod sprung landing gear. Flies nice. Rudder to enter turns and aileron to pick the low wing on exiting. Normally cruises at 1/2 throttle with a trimmed GWS 7035. Motor sharft was replaced with a GWS IPS shaft to allow the spinner. Funtional cooling inlet and exhaust. A calm evening flier.
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