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For what it is worth, I changed my Legacy brake system base on input from
several individuals. The following is a brief description of what I did.
1. Reversed the configuration shown in the plans to plumb the reservoir
to the co-pilots brakes and then have the co-pilots brakes slaved through
the pilots brakes.
2. Eliminated all plastic tubing and used 1/4" aluminum tubing from the
reservior to a tee over the co-pilots brakes. I used pre-fabricated brake
lines purchased from Earl's Performance Plumbing from the tee to the
co-pilots brakes and then from the co-pilots brakes to the pilots brakes.
These lines can be purchased online for $12 for a 12" long hose and $16
for a 30" hose including the AN4 ends.
3. I ran Weatherhead H10404 hose (available at Napa Auto Parts for under
$2 per foot and equivelant to Aeroquip 303) from the pilots brakes to the
main gear struts where it connect to a steel bulkhead fitting and then to
the to the hose provided with the kit to the brake.
4. Lastly, I will install (not done yet) a parking brake valve between
the reservoir and the tee to the co-pilots brakes. This valve is
available from WagAero for $32 and is very similar (if not identical) to
the Scott valve. The taxiway in front of my hangar has a slight slope to
it and a parking brake makes life a lot easier for me. (The Legacy plans
show no parking brake valve.)
The total cost of the upgrade is around $120, and it looks much more
professional. Anyone who wants more information on my system, including
photos, can contact me off the LML.
Jim Thomas
Legacy #166
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