Bobp, I rebember seeing a picture of you in the old archives with what
looked like a Rebel on Murphy 1500 amphibs. What engine did you have on
that?
From: Bob Patterson <beep@sympatico.ca>
Reply-To: <rebel-builders@dcsol.com>
To: rebel-builders@dcsol.com
Subject: Re: O-200 engine
Date: Wed, 23 Mar 2005 23:18:11 -0500
You're right Walter ! And weight IS critical !!
There IS a difference in power, though - in standard configuration,
the O-200 was something like 90 hp/100 hp for 5 minutes, whereas
even the old O-235C1 was 100/108 hp for 5 min. (all aircraft engines
of that era showed a permitted higher output fot 5 minutes max.),
and an O-235L2C will give 108/118 hp - a significant improvement.
The O-200 was the old C-85 stretched, with higher compression,
etc. to about it's max. - any extra compression has blown cylinders off.
There are ways to get more power, but reliability really drops.
There seems to be a lot more room to improve on the O-235
without sacrificing so much ....
But all of that means work, time, and money - and a bare 912
still weighs only 128 lb - and a 912-S, installed, with water & oil,
will only be about 158 lb. - still lighter, and a modern engine, with
modern metallury, and modern design .... :-)
Maybe a few dollars more will get you flying a lot sooner,
and a lot easier, given that the design is pretty much off-the-shelf !
......bobp
-------------------------------orig.-------------------------
On Wednesday 23 March 2005 11:02 pm, Walter Klatt wrote:Not that I am pushing the 0200 over the 0235 lyc, but if weight
is important, the 0200 is listed at 170 lbs dry weight while the
0235-C comes in at 213. That's quite a difference for the same
power.
Walter
https://www.dcsol.com/login?mode=HTML-----Original Message-----
From: mike.davis@dcsol.com
[mailto:mike.davis@dcsol.com]On Behalf Of Bob
Patterson
Sent: Wednesday, March 23, 2005 9:33 AM
To: rebel-builders@dcsol.com
Subject: Re: O-200 engine
Hi Jean !
If you can find a real L2C (NOT an 'upgraded' one), or an N2C,
they are definitely worth the extra bucks ! Those 10
extra horses are
REAL horses - will give you at least 10 mph more
cruise, and make
floats <just> possible/bearable.
Our 80 hp. 912 Rebel outperformed our O-235 Rebel in
every area,
except - fully loaded on a very hot day, the climb was
better with the O-235.
Otherwise, the 912 took off shorter, climbed faster,
and cruised faster, on
half the fuel !! This is entirely because the O-235
weighs SOOoooo much more
than the 912 - weight is the performance secret ! :-)
Of course, going to an L2C would have changed that
(ours was an old C2C),
but going to a 912-S should swing the balance back to
the 912 in a big way !
I still think that's the best performance for the dollar ....
........bobp
-------------------------------orig.-------------------------
On Wednesday 23 March 2005 11:09 am, Jean Poirier wrote: build, it was for the O-235 much cheaper than C1B for engine find yourself an out there you can pick I paid $6000cdn for mine sold it two years ago for like a top. Couldn't spark hens teeth, thanks to racers blowing them up at and very pricy. is..there is very little O-320 x150/160 HP as the an oil cooler to add to days. They are so close need to be re-adjusted. starter and the battery switched to the O-320 it has left the battery on the but still flew fine. I this fall, after installing forward of the datum .....so going to floats in the next fuel economy and O-200? Performance on fair price than Lycon and will have to choose the because the firewall with a smaller engine and -------------------------------------------------------
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