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General control line discussion => Open Forum => Topic started by: Ian Hewitt on November 05, 2020, 03:35:27 AM

Title: Magnum White 4" Bellcrank
Post by: Ian Hewitt on November 05, 2020, 03:35:27 AM

Hi Stunt Hangar,

I have a nicely built Magnum wing which appears to use the white 4" SIG bellcrank. I was wondering whether there have been any problems reported with this item as it appears to be much lighter than the black 4" Sig Pro bellcranks that I have.

I would prefer not to tear down the wing to replace the bellcrank but will do if necessary..  ..be grateful for any advice.

Thanks in advance.

Ian
Nottingham

Title: Re: Magnum White 4" Bellcrank
Post by: RC Storick on November 05, 2020, 09:55:34 AM

Are the lead outs bushed?If so I would run with it.


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Title: Re: Magnum White 4" Bellcrank
Post by: ericrule on November 05, 2020, 10:29:06 AM

Sparky is absolutely correct! The Sig 4" white bell crank is nylon and will work quite well in your Magnum. Problem is that unless you bush the lead out holes the wire will saw through the nylon.

Title: Re: Magnum White 4" Bellcrank
Post by: Brett Buck on November 05, 2020, 10:52:14 AM

Quote from: Ian Hewitt on November 05, 2020, 03:35:27 AM

Hi Stunt Hangar,

I have a nicely built Magnum wing which appears to use the white 4" SIG bellcrank. I was wondering whether there have been any problems reported with this item as it appears to be much lighter than the black 4" Sig Pro bellcranks that I have.

   Those are generally just fine.

    Brett

Title: Re: Magnum White 4" Bellcrank
Post by: Ian Hewitt on November 05, 2020, 12:52:39 PM

Many thanks for the feedback.

I'm pretty certain that the experienced builder installed copper tubing on the leadouts through the bellcrank.

I will check this out but feel more confident now that the installation is good.

Another lockdown project to pickup.

Thanks again

Ian