Jacking

A forum about all aspects of the construction and maintenance of the original Hatz CB-1 biplane. Here is the place to ask your questions and get the answers from the real experts.
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Dana
Posts: 81
Joined: Mon Aug 06, 2018 6:51 pm

Jacking

Post by Dana »

I'm trying to determine the best way to jack up my plane for tire changing or whatever. On the other planes I've owned, there was always enough of a flat surface somewhere on the landing gear leg to put a jack. On my Hatz, though, the plates the spring strut fits between are angled on the bottom so there's no place for a jack to sit, and the brake caliper is also in the way. How have others dealt with it?
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rawheels
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Location: Westfield, IN
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Re: Jacking

Post by rawheels »

I didn’t build our plane, so I’m not sure how unique our gear are. There is enough room to place a jack on our gear for tire removal (see attached pic). Maybe yours is similar?
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Last edited by rawheels on Thu Sep 05, 2019 9:53 am, edited 1 time in total.
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Dana
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Re: Jacking

Post by Dana »

My Starduster was like that. My Hatz is different:
landing gear.jpg
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Dana
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Re: Jacking

Post by Dana »

I ended making up a post with a plastic saddle on top to fit against the lugs on the fuselage:
IMG_20200517_102937_reduced.jpg
The jack is left over from my Fiat Spider days, the plastic saddle is a chunk of HDPE cut to a 16° angle to match the angle of the lug plates:
IMG_20200517_102928_reduced.jpg
It's notched about 3/16" deep so it won't slide off:
IMG_20200517_103006_reduced.jpg
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