And thanks, Mike ! This well-reasoned and thoughtful, detailed
analysis of the physics involved will now be in the archives for all
to refer to when making those big choices. I hope everyone will
read it through and think about all the aspects at that point.
One of the great things about the Rebel is that you can just
go ahead and build it - you don't have to decide on an engine
until you get right up to the front end ! At that point, you do
have to decide on the kind of flying you are going to do - and
pick the engine you think will best suit your needs.
For me, the standard Rebel, with a 912-S, will do everything
I need in the flying department. I hope that will be my next Rebel.
I currently fly an O-320 Rebel with the firewall not cut back,
and the empty C of G is 8.1" - very far forward. It stalls significantly
faster than I would like when solo.... and would likely cruise faster
with a further aft C of G. Fortunately, I usually travel with a LOT
of baggage, giving a more rearward C of G, which makes the flying
quality pleasant for my needs. As Darryl says, even if you don't
make the best choices, the Rebel is still a LOT nicer to fly than
production airplanes ! :-)
The choice becomes especially difficult for those who want
an O-320 now, but also want to go to a Rotax 912 later, if they
have medical problems. My thoughts are: everything takes longer
than you figure, gas prices are rising, you can't register at more
than 1,320 lb. anyway - if you want to go LSA, and health seldom
improves with age, soooooo, when you get up to installing the
firewall, just bite the bullet & go with the 912 !! You will have
a ball flying your Rebel, and save on gas too !!! :-)
OR - cut it back, put in that honking big engine & have fun for
a year or 2, and plan to sell it when things get tough .... :-)
(Anna often reminds me - "There are always 2 choices !") :-)
--
......bobp
http://www.prosumers.ca
http://bpatterson.qhealthbeauty.com
http://apatterson2.qhealthzone.com
-------------------------------orig.-------------------------
On Monday 29 January 2007 20:04, Mike Davis wrote:
moving the firewall back 3". He asked that I share it with all the buildersI just received the following letter from Darryl regarding his views on
on the list. I have also posted this letter as a PDF file in the file
library.
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