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Sport Planes (Formerly I/C & Gas Conversion) Discuss I/C or Gas Conversions, Aerobatic Planes and Sport Aircraft

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Old 05-03-2012, 06:23 PM   #1
bhcnomo
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Default Glow to Electric Conversion - Lanier RC Stinger II by Great Planes

useing a G-force 46 600 kv motor
G-force 4000mah 4s 40c lipo
would like to use a 6s but got to find one that will fit
hobbiewing 80a esc
hobbywing 5a bec
3s 1500mah for rx and servos
power hd 1501mg servos
prop 12x6 - 13x6
motor,esc,bec,servos from valuehobby
wheels from rcdude
this Conversion has a low thrust to weight ratio
because of the 4s lipo
i dont have 3d skills anyway


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Old 05-03-2012, 10:58 PM   #2
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If the motor is up to the task you can maybe prop that all the way up to x8 or even x10 and get a bit more thrust. Part-throttle flight on my draggy 5.5lbs 770kv 4S is much better with an x8 or x10 compared to the x6.

Somewhere in there though you start finding the limit, and what is 'enforcing' it!
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Old 05-04-2012, 02:29 AM   #3
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thanks dave will try a 8 or 10
going to maiden it this weekend
i put up some videos of it

here is how i am going lock the canopy down
took out the blind nuts
glued on some magnets
used two 10mm long bolts


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Old 05-06-2012, 03:38 AM   #4
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video of the maiden flight

http://www.youtube.com/watch?v=1bImLOWJa5s
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Old 05-07-2012, 04:36 PM   #5
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Jeez! Next time just throw a rock at it to bring it down!

Not bad for the first landing, looks like it wants to get flown onto the ground vs nosing it up a bit and using the power to set the +/- climb rate. Maybe it needs a bit more down-angle on the motor?

My next plane needs to be something like that, looked nice.
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Old 05-07-2012, 10:05 PM   #6
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You might want to try MUCH more prop.. A 12 or 13 inch prop is way WAY too small for a 600kv motor of that size on 4s. A 12" might be fine if you were running 6s but with your 4s battery you need to be spinning at least a 15" prop to get the most out of that motor.

Alternatively if you don't have ground clearance for a big prop you should be looking for a higher kv motor.. something around 900kv, or go to something like a 6s 2600mAh battery and keep the motor.
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Old 05-07-2012, 11:17 PM   #7
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i was thinking that also jetplaneflyer
there is only clearance for a 14 inch prop
what pitch will be good on that 600kv motor
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Old 05-08-2012, 06:17 AM   #8
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Sadly you cant make of for too small diameter by adding pitch. You could try a 3 or even four blade prop, or what about finding longer landing gear?

If you are totally stuck at 14" I'd guess at 14x9 or maybe 14x10 (same goes for the 3 blade option). More cells would also do the trick. A 5s battery along with the 14" prop (maybe 14x7 on 5s) would get her shifting along nicely.
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Old 05-11-2012, 03:48 AM   #9
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thanks JetPlaneFlyer
will try a 14 next time i go fly it
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