The Murphy Builders Site

JEAN: Chief Aircraft has the 9044 bungee cords for $32.50 per pair. Go to



http://www.chiefaircraft.com/airsec/Air ... craft.html



and click on Bungee Cords on the left side. Spruce price is $20.90 each.



I am also interested in the answer to your question because I am planning to
register my Rebel at 1320 lbs gross in the Light Sport category.



Joe R



279R





-Original Message-----
From: mike.davis@dcsol.com [mailto:mike.davis@dcsol.com] On Behalf Of
jean.poirier@oxyportneuf.com
Sent: Tuesday, February 26, 2008 5:07 PM
To: rebel-builders@dcsol.com
Subject: [rebel-builders] bungees... again







Hello



Has I told before, I bought 12 x shock cords rings #9044 from Aircraft
Spruce (by far the best price over all other supp.) to replace the single
piece Murphy bungee. I made a tool to fit them on the bolt.

First 8 already installed (do not put your finger on the bolt when the cord
fall from the tool, it will be slim and large!). But a question is not
clear to me (as many other questions, past, present and futur!).



Aircraft spruce list : #9044 at 400 pounds test and 4 of
those for a Hazt bi-plane of 1400# gross weight

#1080HD at 900 pounds test
and 4 of those for a PA-22 of 1650# gross weight

#1380 at 1160 pounds test and
4 of those for a Pitts S-1,S-1C,S-1S of +/- 1200# gross weight



How calculate I need 12 x 400# shocks cords for a 1600# Rebel? Is it
because the design of the landing gear, or just because I should expect
"overgross" landing with many "G"... or someone add rings

until the results where goods!



Jean

Rebel 747R







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Hi Jean It's not just the gross weight that matters. Different landing gear
geometry will reqire more or less bungee strength.


At 07:06 PM 2/26/2008 -0500, you wrote:

Hello

Has I told before, I bought 12 x shock cords rings #9044 from Aircraft

Spruce (by far the best price over all other supp.) to replace the single
piece Murphy bungee. I made a tool to fit them on the bolt.

First 8 already installed (do not put your finger on the bolt when the

cord fall from the tool, it will be slim and large!). But a question is
not clear to me (as many other questions, past, present and futur!).

Aircraft spruce list : #9044 at 400 pounds test and 4 of

those for a Hazt bi-plane of 1400# gross weight

#1080HD at 900 pounds test

and 4 of those for a PA-22 of 1650# gross weight

#1380 at 1160 pounds test

and 4 of those for a Pitts S-1,S-1C,S-1S of +/- 1200# gross weight

How calculate I need 12 x 400# shocks cords for a 1600# Rebel? Is it

because the design of the landing gear, or just because I should expect
"overgross" landing with many "G"... or someone add rings

until the results where goods!

Jean
Rebel 747R



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Drew



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