Mailing List flyrotary@lancaironline.net Message #62603
From: Andrew Martin <flyrotary@lancaironline.net>
Subject: Re: [FlyRotary] How do you run these things????
Date: Thu, 21 Jul 2016 07:18:49 +0800
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
Rich.
I think you got some loaded questions there.
Best power/speed is a combination of factors involving engine, prop, airframe, weight, ego, wallet etc.

For maximum TO/ cruize etc. same applies but your nerves, wallet & cooling are probably the limiting factors.

I have a quadrant with 2 levers, 1 marked noise, 1 rpm, I find it best to have noise set at loud for takeoff & rpm at fast. For cruize noise at not so loud & rpm at slow. Landing, noise at less, rpm fast.

Seriously, You'll work out your best settings when flying off your initial hours.

Andrew
Lightwing sp4000
Renesis rd1c ec2 em2
GT electric cs.

On Thursday, 21 July 2016, ARGOLDMAN <flyrotary@lancaironline.net> wrote:
Greetings all,
 
As I approach finishing my aircraft (probably in the next year -- although I have been saying that for the last three years,) my thoughts are moving to how to operate the rotary without damaging it and gear box and achieving the best efficiency/ speed/ power  with the above two criteria in mind.
 
My setup is as follows:
 
Normally aspirated Renesis
Tracy's EC-3, EM-3
Tracy's RD1-C
Ivo Prop with C/S/ attachment
Pusher configuration
 
So  Mike Bush says the best configuration is to fly with wide open throttle and control power with RPM (lowest possible consistent with smooth running) and LOP
 
Of course this is for cylindered engines.
 
I know that the Otto Cycle is the same for ours and theirs but my question is, from those familiar with the running of these beasts:
 
Do the same parameters hold--- or what is the best way to run the engine.
 
Additionally what is the maximum TO RPM for the Renesis and maximum Cruise RPM, if there is a difference... as well as the parameters in which the engine (of course properly cooled) can be safely run.
 
Thanking you all in advance,
 
Rich


--
Regards
Andrew Martin
Martin Ag
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