Don't know where the "400 lb. test" came from, but anyway,
2 x 400 lb. test cords does NOT give 800 lb of load capacity ...
it's not linear...
We did test the Rebel with just 2 rings on front & 2 rings on back
of each bolt - this will work for a light 912 Rebel, but you will need
more for your O-235. You might try it with just one extra on the
top of the front rings --- = 10 rings .... might be ok ....
The bungees MUST NOT MOVE if you rock the wings !!
This is the way it is designed - the bungees ONLY move to
prevent structural damage !!!!! The TIRES are the principal
shock absorbers ...
If you go to die springs, you MUST add pivots at the top of
the gear legs, with brass bushings, and oil them, and ALL
joints that will now MOVE a lot, regularly ! The bungee gear was
not designed to move up & down over every little bump.
--
......bobp
bobp@prosumers.ca
http://www.prosumers.ca
http://bpatterson.qhealthbeauty.com
http://apatterson2.qhealthzone.com
http://apatterson2.ordermygift.com
-------------------------------orig.-------------------------
On Wednesday 27 February 2008 00:06, jean.poirier@oxyportneuf.com 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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