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Lightening Hole Flange Dies

Matronics Email Lists Forum Index -> Zenith640-List

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Scott Stewart

Joined: 29 Jul 2008
Posts: 30
Location: Windsor, California

Posted: Tue Oct 14, 2008 1:51 pm Post subject: Lightening Hole Flange Dies

To anyone building the Zenith CH 640 from plans:



After trying roller-type lightening hole flange tools with limited success, I decided to make my own flanging dies.  I made a 95mm set out of steel because the inboard wing spar web material is so thick.  I made a 115mm set out of aluminum because aluminum is easier to machine, and the rib material is relatively thin.



I am willing to lend out these dies to anyone else who can use them and is willing to pay for shipping.  I am posting this message here for anyone who may be searching the archives at some point in the future.



Happy Building!

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_________________
Scott Stewart
CH-640 built from plans
Flying since August 2014

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