Starter Arm ??

Post-War Aeronca Champ airplanes
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pmanton
Posts: 121
Joined: Sat Oct 29, 2011 10:42
Location: Indian Hills Airpark Salome, AZ
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Starter Arm ??

Post by pmanton »

Can someone tell me what the arm of a starter installed on a 7AC Conv. BCM would be? A 7EC starter arm is -28. However I believe the 7EC has a longer engine mount.

Thanks:

Paul
Salome, AZ
dlrude
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Joined: Fri Oct 02, 2009 22:07
Location: Wendell, NC
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Re: Starter Arm ??

Post by dlrude »

pmanton wrote:Can someone tell me what the arm of a starter installed on a 7AC Conv. BCM would be? A 7EC starter arm is -28. However I believe the 7EC has a longer engine mount.

Thanks:

Paul
Salome, AZ

Hi Paul,

It sounds like you need to level the plane and get out the ruler and measure it.

I would also compare to the moment arm listed in the 7EC and 7AC TDCS.

Dave
vintageair
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Joined: Wed Aug 05, 2009 14:56
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Re: Starter Arm ??

Post by vintageair »

Paul - I would say it's the same because the Oil arm for both 7AC and 7EC is listed as -33 in the TCDS
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