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1. 06:54 PM - Re: Rotax 2 stroke (Noel)
2. 10:21 PM - Re: Rotax 2 stroke (william Mills)
Message 1
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I've been away for a few days so I expect by now you have many replies...
My advice is twofold.
First get EGT gauges for both cylinders and check by reading the plugs what
the correct temperature for your engine is.
Second is to avoid like the plague extended periods of no load running.
Like long descents. If you have a long decent pull the throttle right back
to idle ( where it is naturally richer) and apply a few seconds of climb
every thirty seconds or so to prevent the engine from cooling too much.
Noel
From: owner-rotaxengines-list-server@matronics.com
[mailto:owner-rotaxengines-list-server@matronics.com] On Behalf Of
Catz631@aol.com
Sent: 05 July 2009 09:30
Subject: RotaxEngines-List: Rotax 2 stroke
I own a Kitfox with a 912 but some friends of mine bought a Challenger 2
with a Rotax 530 (52 hp I believe) and are flying around in it with little
knowledge of the engine. I am in the same boat as I have concentrated on my
912 and know nothing about two strokes (except I liked the one on my 1962
Saab 96 I used to have)
I went flying in the Challenger the other day and really enjoyed the flight
and the smoothness of the engine. It was the only time I have been in front
of a two stroke. I know they have a dubious reputation if not treated
correctly and was wondering if some of you guys can give me some short tips
as to the proper care and feeding of the engine which I could pass on. As an
example, when the pilot I was flying with pulled the power back on descent,
the EGT red warning light came on warning of exceeding the red line (or
close) The pilot blew that off as a fault, but I am not so sure.
They plan on going to school on the two stroke (Lockwood,Mississippi Light
Aircraft,etc.) but in the mean time, is there anything to watch out for. The
engine has about 325 hrs on it .It was torn down and checked prior to
purchase and was reported very clean. It runs and starts great! The outside
temp this time of year is running close to 100 degrees (it sucks !!!!) You
have to put a block of ice on the engines to cool them down for start!
I have a CPS catalog which has super info on the two strokes and will give
that to them but I thought perhaps some tips from guys with real real
experience would be useful until they get to school.
Thanks !!
Dick Maddux
Kitfox 4
Rotax 912 UL
Milton,Fl
_____
Make your summer sizzle with fast and easy
<http://food.aol.com/grilling?ncid=emlcntusfood00000005> recipes for the
grill.
Message 2
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| Subject: | Re: Rotax 2 stroke |
Guys -
See the url in the letter pasted below for. I don't operate a two-stroke bu
t
have spoken with bh who flew his Kitfox/582 across the Cascades often and
without worry. I considered him a two-stroke guru as did others on that
list.
=======
>From a "Letter" to EAA Experimenter from Richard Pike, comes the URL for an
interesting article on 2-stroke tuning. It covers EGT/CHT vs Prop load, an
d
also color displays of what the spark plugs should look like.
It is "must" reading for all of us 2-strokers. Go to:
http://www.bcchapel.org/pages/0003/pg11.htm
bh
======
Bill
On Tue, Jul 7, 2009 at 6:53 PM, Noel <noelloveys@yahoo.ca> wrote:
> I=92ve been away for a few days so I expect by now you have many
> replies... My advice is twofold.
>
> First get EGT gauges for both cylinders and check by reading the plugs wh
at
> the correct temperature for your engine is.
>
> Second is to avoid like the plague extended periods of no load running.
> Like long descents. If you have a long decent pull the throttle right ba
ck
> to idle ( where it is naturally richer) and apply a few seconds of climb
> every thirty seconds or so to prevent the engine from cooling too much.
>
> Noel
>
>
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