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General RC Heli Discussion Discuss general topics on rotary wing aircraft, including construction, Servo's, Gryo's and Stabilizer discussions. Heli Pro Shop

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Old 12-08-2004, 06:34 PM   #1
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I'd like to discuss some things about brushless helis.....

unlike cars, a heli uses 4 servos. what a lot of people don't consider is the bec in brushless systems is pretty much useless. like a castle creations 25 amp controller has a 1 amp bec built in. they rate it for 3 servos.

did you know (you can even test this yourself) that a single servo binding at all can eat up over 1 amp itself? add 3 other servos and a gyro, even more draw from a heading hold gyro and it can overheat the bec causing a thermal shutdown. no servos, no flight.

you can take your chances or use a bec. much safer with 2-3 amps. research your controller. better off with a cc 35 for a micro cp type heli. the difference in weight is negligable for the safety

anybody else want to add?
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Old 12-09-2004, 11:37 PM   #2
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hi i think out of the 500+ members it's only me you and warlock that have these wicked toys.
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Old 12-10-2004, 12:04 PM   #3
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ya well, once the others try one, you know the other types of rc will just seem so 2 dimensional lol. I have 5 helis now (and another coming). I at one point this year had 14 rc's but sold them all to buy helis. I was told I would, and I said my tmaxx would never be sold haha...
I have an Iwaver and my RC18 now for ground use. I will get another 8th scale for next year though. Never will give up 8th scale.

at least we can discuss things and bring others to the high side.
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Old 12-10-2004, 12:07 PM   #4
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do you have any more info on those iwavers... they would be good competition to the micros/xrays

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