Spring Gear fix

[Mike Davis]

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To: <murphy-rebel@dcsol.com> (Murphy Rebel)
From: Bob Patterson <bob.patterson@canrem.com>
Subject: Re:Spring Gear fix
Message-Id: <E109g36-0001sL-00@mail2.toronto.istar.net>
Date: Sun, 7 Feb 1999 21:03:44 -0500


Can't comment on the other 'fixes', but you DO still need all the
'extra sheet metal' that the plans show (and maybe more !) All those
metal fingers were added to distribute the flexing loads over the skins
- on the original spring gear, the whole floor flexed on braking, right
back to the back of the baggage area !! Not pretty !!

Although the carrythrough gets a lot of load, the whole structure
does twist & flex to absorb the loads .... The gear leg is a fair length
of arm, and you could be trying to stop 1500 lbs. going 50 mph at the
other end of that arm !!

....bobp
-------------------------orig.----------------------------------
At 07:42 PM 2/7/99 EST, you wrote:

Lonnie:

I have also been staring at the carrythroughs wondering what to do to.
I also was planning on using bar stock, 4 pieces of 1" by 2" six inches
long, with a
radius to match the inside of the carrythrough with the gear bolts drilled
through the bar stock. The bar stock would be bolted to the carrythrogh

(nuts

on inside).
This would distribute the load down the carrythough and provide a solid

path

for the gear bolts.
This only leaves one more problem...the three AN3 bolts. For this I was
planning on using something to fill in this area...more bar stock or just
crush tubes...maybe going to AN4 bolts due to the long length needed.
Also do we still need all the extra sheet metal on the outside of the

aircraft

if the carrythrough is taking the load????
I do need to come up with a plan soon...I was still hoping Murphy would

make

something to stuff in the end of the carrythrough instead of a lot of

custom

"fixes" by individual builders.
Jim rebel254 JimsRebel@aol.com

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