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Bobby,
Your are probably right. I used to have an MT prop, but it was expensive to buy
and also repair, and found it far too slow to respond in pitch, so you had to be
very careful on take off to not overspeed the thing. Other than that it
was great. Neil.
Sent: Wednesday, December 11, 2013 11:44 AM
Subject: [FlyRotary] Re: 2 cycle premix
MT electric three blade. I don't know what my peak EGT is at high
power but it should occur at 14.7 F/A. I would be surprised if it was much over
1700F.
Bobby
Sent from my iPad
Bobby,
Do you know your prop size?? Neil.
Sent: Wednesday, December 11, 2013 11:23 AM
Subject: [FlyRotary] Re: 2 cycle premix
Neil
My EGT is usually around 1660 at 38", 7100 rpm, 12.5 F/A. I have
seen one rotor go to 1700 with an injector imbalance too rich. One other time
with a fouled plug. I think fuel was burning in the exhaust manifold.
.80 oz per gallon.
Bobby Hughes
Renesis
Sent from my iPad
All,
finally flying
again, but my prop is too big. It is a 70” dia by 90 inch pitch. Max
revs on takeoff is about 6800 and the EGT is pushing over the 1850
degrees. Obviously the prop is too big as revs are restricted and the
motor is working too hard hence the EGT. What size props are you
people running?? 2 rotor renesis. Neil.
Sent: Thursday, August 08, 2013 7:12 AM
Subject: [FlyRotary] Re: 2 cycle premix
I use the same mix, but at closer to 1 oz/gal. Why? That is
what Tracy does. Dont think it is very critical over the short
term. I have gone without oil for a tank or two when I didn't plan
well. I have also put multi-weight aviation engine oil in (at .5
oz/gal) on one occasion when I forgot to bring along any 2-stroke oil at
all.
Dave Leonard
On Fri, Jul 26, 2013 at 11:39 AM, Bill Bradburry
<bbradburry@bellsouth.net> wrote:
I use the same
mix as Dennis but at the rate of 3/4 oz/gal in non-ethanol auto gas.
My engine is a Renesis with 70 flight
hours.
Bill
B
From:
Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of Clouduster
Sent: Friday, July 26, 2013 9:17 AM
To: Rotary motors in
aircraft
Subject: [FlyRotary] Re: 2 cycle
premix
I use a 50 - 50 mix of MM and WalMart 2 stroke @
0.50 oz/ gal. Mixed in auto gas. My engine is a Renesis with 500
+hrs.
Dennis H.
Sent from my
iPad
For those of you who are
actually flying and have some time on your rotaries and are using
Pre-mix 2 cycle oil:
1) what oil are you
using
3) what ratios
are you using
4 where is
the best place to get it
-- David Leonard Turbo Rotary RV-6 N4VY http://N4VY.RotaryRoster.nethttp://RotaryRoster.net
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