craig(at)craigandjean.com
Guest
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 Posted: Thu May 01, 2008 4:26 pm Post subject: Factory shutters on firewall slots and smooth steering rods |
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When I heard that the QBKs after mine were now being supplied with shutters
to seal the slots for the steering rods I suspected the factory now had
steering rods (6G2-4) that are not threaded over their whole length. In the
past builders fitting shutters created a smooth surface to slide through the
shutters by slipping tubing over the threads, wrapping them in shim stock or
filling in the threads with JB Weld. Anyway I gave the factory a call and
they confirmed that they now have rods with only an inch of threads on one
end.
I received mine the other day and have attached a picture of the old and new
rods. These are revision 1 so the full part number is 6G2-4/1. You will
immediately notice that the rods are shorter than the older fully-threaded
rods and are of unequal length. The two I received are 255mm and 233mm from
the tips of the threaded ends to the center of the holes for the rudder
pedal bolts. For the old rods the plans say "length=310 (trim to fit)". Of
course the reason the two new rods are of different length is because the
rudder pedal bearings are staggered fore/aft by 32mm (6B9-4). With the older
rods a tall or short builder had the option of trimming the rods to move the
neutral position of the actual pedals fore or aft. With the new rods any
builder still can make some adjustment (maybe 10mm) by adjusting the
threaded rod ends.
-- Craig
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