Hangar 9 Ultra Stick 40
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OK, a friend of a friend had some "rc plane" gathering dust in the attic and asked me if I wanted to take it, because it was probably going to end up in the garbage....
Well, I couldn't resist, so I went and stopped by and was given this..... an unflown, assembled Hangar 9 Ultra Stick! It also included a Thunder Tiger 40 engine, receiver and most importantly...5 servos.
The tail surfaces were broken off, but a little 5 minute epoxy and TLC and now this bird is ready.
I am selling all the gasser stuff and going to electrify the bird. I normally fly much smaller, faster planes, but hey, this should be a fun project and it looks like these Ultra Sticks are fully aerobatic.
I have already ordered a big Suppo outrunner for her as well as a Suppo 70 amp ESC from Light Flight RC. Great service from Light Flight RC and GREAT prices....free shipping on $75.00 or more orders.
Here are the specs on the motor and ESC:
SUPPO 4120-06 NEW "U" MODEL
• 319g Outrunner
• Kv: 640, Rm: 0.015, io: 3.2A, Poles: 14
• Max efficiency: 25 - 50A
• Max amps: 70A for 60sec
• Shaft is 6mm
• Dimensions: 50mm x 45mm
• New "U" Version
SP 70 Amp ESC
• Compact 70 amp Brushless ESC
• No BEC
• 70 amps continuous, 85 amps burst
• 55mm x 35mm x 8mm, 60g plus 3g bullets
• Handles 4-8 LiPo cells
• Programmable LiPo or NiMh cutoff
• Programmable brake
• Low resistance
55 amp Max 6S-7S
40 amp Max on 8S
Programmable features include:
- Brake on, off, soft, medium, hard
- LiPo cutoff 4S-8S
- Auto NiMh (0.8V per cell)
- Throttle setting: auto or 1.1ms to 1.8ms
- Soft or hard start
- Soft or hard cutoff
- Timing 1/7/15/30
- PWM 8KHz or 16KHz
I figure I will prop it for 900-950 watts on a 4S, 4200mah lipo pack. Should give 8-10 minutes of mixed flying.
More to come!
Yes, you are right .... I just picked up a 13 x 10 and a 14 x 8.5 prop to try out on it. The 13 in. prop may have JUST enough ground clearance, but I definitely will need to get more ground clearance for the 14 incher.
I have already put 3" wheels on it, but it needs more clearance. I was thinking about bending the landing gear in to help out. Any other ideas?
Got the electrified Ultra Stick 40 maidened today...... it flew great! A really nice flyer at 900 watts with 9 1/2 minute flight times. Relaxing to fly, but responsive when needed with great control authority at slow and fast flight speeds.
With the 13 x 10 prop it had good vertical....unlimited on fresh batts. close to unlimited on 50% batts. The excellent balance of climbing power and top speed makes me think this prop will be the best for general sport flying. I did have to put the ESC in high timing mode to get it up to 900 watts, but it doesn't seem to have any issues on that setting.
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