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Old Jun 26, 2011, 07:46 PM
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celm's Avatar
USA, FL, Oviedo
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im thinking about ungradeding the motor and i narrowed it down to these 2 motors

2836 1100KV
http://www.headsuprc.com/servlet/the...lectric/Detail

or
3536 1050KV
http://www.headsuprc.com/servlet/the...lectric/Detail

i am running 3s 200 MAH 30C lipos and 11x8 2 blade prop, so what you guys recommend?
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Old Jun 27, 2011, 12:44 AM
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Visor's Avatar
Canada, BC, Langley
Joined Aug 2008
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Quote:
Originally Posted by celm View Post
im thinking about ungradeding the motor and i narrowed it down to these 2 motors

2836 1100KV
http://www.headsuprc.com/servlet/the...lectric/Detail

or
3536 1050KV
http://www.headsuprc.com/servlet/the...lectric/Detail

i am running 3s 200 MAH 30C lipos and 11x8 2 blade prop, so what you guys recommend?
I am using Turnigy C3542 1250kv with my own motor mount (APC thin electric two bladed 11X5.5 prop), it works great. Before that I tried Turnigy 3536 1100kv - a bit underpowered.

BTW in Turnigy 35 is the diameter in mm, 42 is its length. As a rule - the bigger the motor, the more power it can produce.
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Old Jun 27, 2011, 12:50 AM
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Build it and they will come!! Remember, YOU are the man, and I can't see you marketing these lights for anything less than 30 or 40 bucks a shot. What you do is wonderful, exciting, and makes me get out of bed early in the mornig to show off what you have created. Hopefully I'll get enough nerve to try a night fight with this one andget some vid to see your work in action. OHH, did I , mention that YOU'RE the man. Thanks Visor!!!!!!!!!!
Ha ha schrockie, you are funny
You must be the man yourself!

Here is a bit of daredeviling

Flying Through (2 min 35 sec)
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Old Jun 27, 2011, 02:26 AM
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Quote:
Originally Posted by Visor View Post
I am using Turnigy C3542 1250kv with my own motor mount (APC thin electric two bladed 11X5.5 prop), it works great. Before that I tried Turnigy 3536 1100kv - a bit underpowered.

BTW in Turnigy 35 is the diameter in mm, 42 is its length. As a rule - the bigger the motor, the more power it can produce.
what esc are you using with that motor?
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Old Jun 27, 2011, 08:56 PM
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visor they dont have your motor in stock,whih one of the 2 i listed would u go with?
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Old Jun 27, 2011, 11:59 PM
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Originally Posted by celm View Post
what esc are you using with that motor?
I am using E-Flite 30A... BUT! I don't go full throttle for more than just a few seconds... because at full throttle with a good battery the current draw is over 60A. The ESC will get hot pretty quick. At some point I will change it to a bigger ESC, but for now I just go easy on my throttle.

The Turnigy motor (C3536 1100kv) with APC thin electric 10X7 prop draws a bit over 30A. But, as I mentioned, this motor is just enough for flying - don't expect incredible climb rate - the plane is a bit heavy for this motor.

My modified Supercub on the other hand goes vertical with C3536 motor and 10X7 prop, because the plane weighs only 750g

I hope this helps.

P.S.
Volts times Amps = Watts

For my modified Supercub that weighs 750g I am using a combo that delivers approximately 380Watts.

For Cessna 400 that weighs roughly 1500g I have about 650-700W available (just for few seconds, or there will be stinky smoke! :-) )

Hope that Watts/Volts business did not intimidate you
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Old Jun 28, 2011, 12:07 AM
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Originally Posted by celm View Post
visor they dont have your motor in stock,whih one of the 2 i listed would u go with?
3536 for sure, it is twice as powerfull than the first one. They say it is good for parkfliers up to 60 Oz... so it should be enough for Cessna 400
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Old Jun 28, 2011, 07:43 AM
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Originally Posted by Visor View Post
3536 for sure, it is twice as powerfull than the first one. They say it is good for parkfliers up to 60 Oz... so it should be enough for Cessna 400
cool and if i go with that motor dont trust the stock ESC correct,upgrade to a 40 or 50 amp?
i will be running a 11x8 2 blade prop,thats what im running on stock trim now
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Old Jun 28, 2011, 09:45 PM
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Originally Posted by celm View Post
cool and if i go with that motor dont trust the stock ESC correct,upgrade to a 40 or 50 amp?
i will be running a 11x8 2 blade prop,thats what im running on stock trim now
Yes, if you can - get a 40 or 50 amp ESC. If you find that either your motor or ESC gets hot after 10 seconds at full throttle, then you should try 11X5.5 prop.

Try full throttle for 3-4 seconds, then feel your ESC and motor. If it is cool, try longer burst. It is OK for the motor and ESC to be pretty warm after 20 seconds or more. But if it gets too hot too quick, go with a smaller pitch prop

But the best would be to measure actual current and voltage at full throttle.


I have a feeling that this new motor kv's are higher than the stock one, so just guessing 11X5.5 would be a better match.

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Old Jun 29, 2011, 12:10 AM
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United States, OR, Foster
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You know, I am still running the stock ESC and Motor and I fly at full throttle for 20-30 seconds a lot and don't seem to have a overheating problem or anything else going on. I am running a 2bladed prob APC 11x7E.
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Old Jun 29, 2011, 09:12 PM
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Originally Posted by BennettOZ84 View Post
You know, I am still running the stock ESC and Motor and I fly at full throttle for 20-30 seconds a lot and don't seem to have a overheating problem or anything else going on. I am running a 2bladed prob APC 11x7E.
The stock motor and ESC don't have a problem running 11X7 - thats good. My concern is - running 3536 1050kv motor with 11X8 prop. It might get hot. And there is one way to find out - by trying it.
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Old Jun 30, 2011, 11:31 PM
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Canada, BC, Burnaby
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Did some cg mods for my FMS cessna 400
Here is short fly video
Jay Flying his Cessna 400 (6 min 13 sec)
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Old Jul 03, 2011, 12:43 AM
Swinger. Heli and planks!
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United States, OR, Foster
Joined Mar 2007
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Well, had my first nose rear failure today. I went from some dirt to some grass and it snapped! I was out to fly so I hand tossed it and flew... Landing was actually amazing. Came down on the rear gear and slowly let the nose tip down. Now time to do a new nose gear!
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Old Jul 06, 2011, 06:16 PM
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whats the size of the stock ESC on the 400?
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Old Jul 06, 2011, 08:39 PM
Swinger. Heli and planks!
BennettOZ84's Avatar
United States, OR, Foster
Joined Mar 2007
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20amp
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