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Push Pull tail setup

 
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cbergen



Joined: 12 Jan 2007
Posts: 124
Location: Cassopolis, MI

PostPosted: Wed Oct 24, 2007 8:03 pm    Post subject: Push Pull tail setup Reply with quote

Here is a link to the Push pull tail setup. This is NOT recommended for use with 401 gyros even though it shows it in the instructions. The setup procedure is the same for JR gyros.

http://www.helifreak.com/attachment.php?attachmentid=9031&d=1157680838

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Chris Bergen
Bergen R/C Helicopters
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Spartan



Joined: 17 Apr 2007
Posts: 7
Location: Coventry, U.K.

PostPosted: Thu Oct 25, 2007 12:18 am    Post subject: Reply with quote

Hi Chris,

What's the problem with the 401 in this application ?
I have a 401 gyro & 9253 servo fitted, what would you recommend instead ?

Thanks,

Julian.
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cbergen



Joined: 12 Jan 2007
Posts: 124
Location: Cassopolis, MI

PostPosted: Thu Oct 25, 2007 12:22 pm    Post subject: Reply with quote

With the push pull system, you cannot get 100-120 on the gyro travel pot.

This is necessary for longevity of the servo. Too low or too high and the servo just works too hard and gets hot.

This is our experience on our helicopters, your experience may differ... Laughing

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Chris Bergen
Bergen R/C Helicopters
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Spartan



Joined: 17 Apr 2007
Posts: 7
Location: Coventry, U.K.

PostPosted: Fri Oct 26, 2007 1:36 pm    Post subject: Reply with quote

What's a good gyro and servo combo, for a Intrepid 23cc gasser ?
I can put the 401 on something else.
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cbergen



Joined: 12 Jan 2007
Posts: 124
Location: Cassopolis, MI

PostPosted: Fri Oct 26, 2007 4:31 pm    Post subject: Reply with quote

The 401 works just fine, just don't use the push-pull system!!
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Chris Bergen
Bergen R/C Helicopters
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Spartan



Joined: 17 Apr 2007
Posts: 7
Location: Coventry, U.K.

PostPosted: Fri Oct 26, 2007 9:27 pm    Post subject: Reply with quote

Hi Chris,

Sorry Chris, I should have supplied more info, we're going round in pyros here ! Laughing (no pun intended)

I have fitted - and would like to use - the push pull system on my Intrepid.
I'd like to remove the 401 and put it on one of my older nitro helis.

What gyro/servo would you recommend for the Bergen push-pull ?

I shall be in Fl next week and plan to visit some fine model shops they have there. Would be a good opportunity to pick up a decent gyro/servo for my Intrepid.
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