Hi Rick !
Don't bother with the brace - this seems to be another
of those "Cessna did it so it must be good ! " things. The Cessnas
need these braces for float flying, but their cabin structure is
nowhere near as strong as the Rebel.
Some builders here with lots of float hours have added
these "V" braces - and you're right, it might be a good idea
for float flying, if you are doing a LOT of it ! I'm a little
leery of moving stresses around like this - it could be what
Wayne calls the "bigger band-aid" problem, but I guess it might
be good for floats.... The good V braces I've seen go right
through the panel & firewall, and are welded to a tube that
runs between the top engine mounts. This solves the 'compressing'
engine mount problem too ! Of course, you'll have added the
'floatfix bulletin' mods to strengthen the firewall & doorposts for the
larger engine (and plates like Wayne supplies, for extra
peace of mind !)....
If you are going to the heavier engine, you should
have the FUS-70 (.025) corner wraps all around - that will take
care of the extra load/arm !
Good luck ! You'll love the performance with the O-320 !!
.....bobp
---------------------------------orig.-------------------------------
At 11:27 PM 4/27/03 +1000, you wrote:
G'day Guys !
I've seen a few Rebels with a brace running down from each upper
corner of the main "box" section that supports the wings, undercarriage,
and struts (can't remember the part number right now) .... down to the
dash - just inside the windscreen - supporting the top of the
firewall..... Something like a Citabria (or even a Maule from
memory)...
I can understand doing this for a plane on floats ... as there is no
"give" if you do a hard water arrival, (and the stresses setup on the
triangular corner braces must be pretty bad) .... but I've seen a few on
Rebels on wheels as well ....
Do you guys think this is a really good idea ... ? or is it a bit of an
overkill ... if we don't do constant BAD landings ?
Also wondering about this as we are going to stick in an 0-320 ... and
the brain is ticking over re the extra weight / moment of the nooo
engine :-)
Yours "Upside - downedly"
Rick & Wendy Harper
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