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Home✈️Aircraft🚁HelicopterHelicopter Main Discussion › What to start a 91 C speck with
09-08-2006 03:55 AM  14 years ago
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CHK1942

rrNovice

Bakersfield CA

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What to start a 91 C speck with
Ok guys here is the fix for starting O S 91 c Speck motors

It is call voltage I used 18 3300 Mill AMP battries and

Will start a O S 91 Be carefull if you go with 18 Volts

it will bend a rod if the motor is hyd locked You can use

14 volts or 16 Volts But 18 works best The battries are in

serries not parallel see photos The other pictures show how

i hang my helos off the celeneing with hooks

Be careful with this stater setup it will brake stuff

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09-08-2006 04:05 AM  14 years ago
359PETE

rrVeteran

Ware, MA USA

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Or you could just buy one of these:

http://www.heli-world.com/detail.aspx?ID=1117

...and plug it into your flightbox battery... or run two 6 cell car packs.

Its called "gear reduction"
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09-08-2006 05:21 AM  14 years ago
pcliftonjr

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Phoenix, AZ

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I've been using a Hobbico 90 with two 8.4v packs in series. Mine starts fine...

Paul
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09-08-2006 05:18 PM  14 years ago
Yug

rrMaster

UK. Herts

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CHK1942 - it's difficult to tell from you hanging heli pics, but it looks like you're hanging them from a single grip. Bearin mind this will cause uneveness to develop in the dampers as they are being compressed one way all the time. Better off hanging via a hook under each damper.Vegetable rights and Peace
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