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HomeRC & Power✈️Aircraft🚁HelicopterFlybarless Rotor Head SystemsOther › Saving servos in flybar-less helis.
12-25-2010 12:16 AM  9 years ago
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knightofcarnage

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chicago

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Saving servos in flybar-less helis.
I been trying to figure if there was a possible way of saving servos from being strip or burned out during a crash in FBL's heli. Only thing i could come up with is: If the FBL unit would support a bail feature, where servos would go in fail safe mode setting and also shut off servo output. In most case you know you can't recover so letting the servo go limp should not be dangerous. Do you guys think feature could be implemented on the existing units with a firmware update. Does anyone have any ideas on this.
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12-25-2010 12:39 AM  9 years ago
Ironhide

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dexter mi us

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I believe the Kasama Cyber head is suppose to help in a crash with extra links
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12-25-2010 12:56 AM  9 years ago
crgonzalez08

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Salt Lake City, Utah

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if you are fast enough you should try turning your TX off before the hit. Now the best thing to do will be not crashing but we all know S.H.I.T HAPPENDS
The thing is as we all think in this hobby, "IF YOU CAN'T AFFORD TO REPLACE IT, DON'T FLY IT"
Anyways, getting worry about crashing takes all the fun out of flying
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12-25-2010 01:18 AM  9 years ago
MarshallB

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Middle Arkansas

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You let those servos go limp you'll have more carnage to worry about rather than a few servo gears.. I've seen what they do to a heli when the battery comes unplugged. Same result.. I just wouldn't crash!
CurtisYoungblood.com
Next-D
Spyder Batteries
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12-25-2010 01:38 AM  9 years ago
F1 Rocket

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Melbourne, Florida USA

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Servo do take a bigger hit on the FBL machines. I use plastic servo arms and this has saved more than one servo. Just make sure you replace all of the arms after a crash, even if they look ok.

Danny
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12-25-2010 03:04 AM  9 years ago
knightofcarnage

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chicago

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On bigger helis,600 and 700 its very difficult to strip the gear with plastic arms. However you still can to burn up servos just being on the crashed on the ground with the gyro still trying to do its work. So in this case it would help out. I don't think you would have more damage with servos going limp. You might still strip gears but you lessen the chance of burning up electronic equipment. Its not really about the cost as much, i hate replacing servos every time. Not once did i have FBLS crash with out replacing some servo/gears. On the Flybarred version its not such a huge issue. I'm almost to the point to sell my 8917 and get some cheap align servos. On my 450 pro i think i just going to go with plastic gears.
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12-25-2010 05:58 PM  9 years ago
Jeff polisena

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westpalmbeachflorida usa

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Buy jr 8717 or 8917 and all you will strip or burn are servo arms . I've never striped gears or burned up from binding . You pay a bit more up front but save on failuresI stole it ,flew it and gave it back ;)
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12-25-2010 08:01 PM  9 years ago
OICU812

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Edson, Alberta, Canada

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Running bls 451 here. One set on fbl has had half dozen crashes still fine, rods have bent as have arms broke. But that's about it really....Once upon a time there were Nitros, flybars and frequency pins...
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12-25-2010 11:25 PM  9 years ago
PC12DRVR

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USA

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+1 use plastic
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12-25-2010 11:38 PM  9 years ago
knightofcarnage

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chicago

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Buy jr 8717 or 8917 and all you will strip or burn are servo arms
I am using 8917 and i have burned it out. Did not strip the gears.
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12-26-2010 09:46 AM  9 years ago
Busher

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Manchester, England

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The latest range of Hitec servo's have a built in overload limiter in them to stop them burning out in heavy stall currents. Couldn't see a real reason for it until now.Good luck
Busher
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HomeRC & Power✈️Aircraft🚁HelicopterFlybarless Rotor Head SystemsOther › Saving servos in flybar-less helis.
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