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1. 07:04 PM - lift struts (zoperman@att.net)
2. 07:35 PM - Re: lift struts (James Kale)
Message 1
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--> Cub-List message posted by: zoperman@att.net
I am trying to find out about cub lift struts, I see big fork ends, small
ones, and sealed struts to replace standard ones. I know the APIA I use will
know all, but for now-.
Thanks for the float rigging help. I 'm looking for used rigging all made
up.I have champ rigging on the 1400's now.
I have 41 cub project, with metal spar wings. Nothing in the logbook about
the switch. The wings punched 55 lbs, but further inspection revieled that the
wings were full of fiberglass insulation,mouse turds, and grass seed, And of
course, the ribstiching was chewed in two all over . And to make the recover
decision final, the whole airplane is done up to aerothane, without any silver
at all. Saving a little money, the guy said.
To recover it, put a c90 and wing tank in it, and onto floats is the goal.
I an leaning toward the waterborn coating system by Aircraft Finishing
Systems.Anyone seen it. Supposed to be glossy and east to repair,uses ceconite
fabric.
I joined the cub club and ordered a load of info. Later.
Message 2
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--> Cub-List message posted by: James Kale <kale@snowhill.com>
I spent 4 years rebuilding a basket case 41 model J-3 with an A-65. I too
have 46, metal spar wings. I completely disassembled the wings, glass
beaded all of the fittings and primed them. I had to repair some of the
cast ends in the compression struts where the internal threads had been
stripped out. I repaired them rather than replaced them.
I used Ceconite with Randolph Dope. But, I was after authenticity, so I did
it just like Piper did so many years ago.
I found two sets of original lift struts. The recurring AD every two years
on the struts is a pain, but the sealed ones just don't look original. By
having two sets, I just replace them every two years and then I have two
years to get the alternate set ready to reinstall. As far as the forks, they
need to be magnafluxed every 5 years. The original J-3 used AN 5 bolts thru
the forks. The gross weight was 1100 lbs. When the strut forks are
increased in size to use AN 6 bolts, the gross weight is upped to 1170 lbs.
I have this setup. There are three Piper drawings that must be complied
with. The drawings are listed on the Type certificate data sheet for the
J-3 C. I recommend you have an A&P or IA print you a copy of the Type
certificate data sheet from his CD that he buys that has all the AD's on it.
It also has the weight and balance data you will need. Do not trust the
weight and balance data you might form sources like the Cub Club. They are
nice guys, but I found that much of the stuff in their newsletters is wrong
when compared to the Type Certificate Data Sheet. You should also have a
type certificate data sheet on your engine. The cub club is a great source
for approved 337's for engine conversions, etc.
I got my seaplane rating in a 65 HP J-3 from an old gentlemen in
Philadelphia.
Hope this helps.
Jim
----- Original Message -----
From: <zoperman@att.net>
Subject: Cub-List: lift struts
> --> Cub-List message posted by: zoperman@att.net
>
> I am trying to find out about cub lift struts, I see big fork ends,
small
> ones, and sealed struts to replace standard ones. I know the APIA I use
will
> know all, but for now-.
> Thanks for the float rigging help. I 'm looking for used rigging all
made
> up.I have champ rigging on the 1400's now.
> I have 41 cub project, with metal spar wings. Nothing in the logbook
about
> the switch. The wings punched 55 lbs, but further inspection revieled that
the
> wings were full of fiberglass insulation,mouse turds, and grass seed, And
of
> course, the ribstiching was chewed in two all over . And to make the
recover
> decision final, the whole airplane is done up to aerothane, without any
silver
> at all. Saving a little money, the guy said.
> To recover it, put a c90 and wing tank in it, and onto floats is the
goal.
> I an leaning toward the waterborn coating system by Aircraft Finishing
> Systems.Anyone seen it. Supposed to be glossy and east to repair,uses
ceconite
> fabric.
> I joined the cub club and ordered a load of info. Later.
>
>
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