I also plan on finish building kit #719R as Ameteur Built 1320# to meet LSA. I am considering the Rotax 912 more seriously now and wish a few guys could elaborate on the issue of the 912 engine being moved 3 inches further forward or NOT. Can you buy a motor mount from MAM that positions the engine 3 inches further forward or do you have to custom make one? Thanks, Cris 719R
-----Original Message-----
From: Bob Patterson
Sent: Sunday, June 22, 2008 6:11 PM
To:
rebel-builders@dcsol.com
Subject: Re: [rebel-builders] Empty weight
?
Hi Charlie !
? ? Sounds like you are on the right track !
I would recommend NOT using that Scott - several
bad experiences ... ? ?The Murphy tailwheel works
fine - maybe better if you can find a pneumatic tire
that fits (seen a couple at Princess Auto ... )
? ? If you have that solid slab of aluminum they call
a tailspring, you should grind or mill it down, to taper
in thickness from full at the clamp, to about 1/4" - 3/8"
at the tire end. ?That will give it some flex - and reduce
weight ! ? :-)
? ? Definitely do the FUS-30 mod, and the channel
across the bottom of the panel - not sure what the
other one is.....
? ? Your weight should come in around the 750 - 800 lb.
range, with all that.
--
? ? ? ? ? ? ? ? ? ? ? ? ? ? ......bobp
? ? ? ? ? ? ? ? ? ? ? ? ?
bobp@prosumers.ca
? ? ? ? ? ? ? ? ? ? ? ? ? .................
? ? ? ? ? ? ? ? ? ? ? Using
beep@sympatico.ca
? ? ? ? ? ? ? ? ? ? ? ONLY for travelling -
? ? ? ? ? ? ? ? ? ? ? only good for a couple of weeks !
-------------------------------------------------------
On Friday 20 June 2008 10:15, Charlie Eubanks wrote:
Hi All
Sorry about that, this was the message I was trying to send.
This ones for all you guys who have been there done that.
I plan to certify my Rebel at 1,320 Lbs. I am told if I don't get carried
away with upholstery and fancy instrument panel that a 750 Lbs empty wt. is
doable. I understand the 100 HP Rotax installed, with exhaust, radiators
and typical accessories weights about 141 Lbs. less motor mount. The prop I
am considering is the new Sensenich composite ground adjustable which
weighs 12 Lbs. The engine instruments would be the minimum required for the
Rotax engine. Flight instruments just basic VFR, a com radio and
transponder. I have already reduced the wing tanks to two bays per wing (15
Gal. each), that by the way saved 4.1 Lbs. in aluminum tank cover material.
I had hoped to install the bungee type gear but with the die springs. I
plan to add the aft float fitting and the inner floor mostly for strength.
Also I would like to replace the Murphy tail wheel and spring with a small
Scott 2000 and leaf spring that I have. Last but not least would be the
Ontario mods. #1, 2 &3. How much weight difference they will add I don't
know. With all that stuff, do you think I could still hold the empty wt. at
around 750 Lbs? Or is this just wishful thinking? If not, about much would
it weigh? I would appreciate your thoughts and suggestions.
Charlie E. ?802R
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