REFLECTOR: Hot Start Techniques IO-550N

Scott Derrick scott at tnstaafl.net
Mon Aug 22 09:02:28 CDT 2011


Yeah, I let it spin up to 800-1000 rpm before I start pulling it back.

Its warmed up, lots of hot slick oil every where inside, I don't think 
you going to hurt it by it revving up real high.

Scott

-------- Original Message --------
Subject: Re: REFLECTOR: Hot Start Techniques   IO-550N
From: Bob Jackson <bobj at computer.org>
To: 'Velocity Aircraft Owners and Builders list' <reflector at tvbf.org>
Date: 08/21/2011 09:19 PM

> Scott,
>
> We're all interested to hear what you learn, since you're in a place with
> more opportunities for trying different approaches.
>
> I have to admit that the method you're trying now was suggested by Bill
> Walker, not me.  But, I have tried it once myself with limited success -- it
> may have worked better if I hadn't been quite so quick to pull the throttle
> back at the first sign of catching.  I'm going to try it again and be a
> little slower to pull back the throttle.
>
> Thanks,
> Bob
>
> -----Original Message-----
> From: reflector-bounces at tvbf.org [mailto:reflector-bounces at tvbf.org] On
> Behalf Of Scott Derrick
> Sent: Sunday, August 21, 2011 6:20 AM
> To: Velocity Aircraft Owners and Builders list
> Subject: Re: REFLECTOR: Hot Start Techniques IO-550N
>
> Bob,
>
> While not what I call really hot starts, I had 5 warm starts yesterday
> and all started right up with your simple procedure. I as resetting my
> idle pump pressure/idle mixture/idle speed settings which requires
> multiple adjustments(engine off) and multiple tests(engine on), all done
> after the engine has warmed up.
>
> Hopefully today I'll be test flying my last fixes and have the
> opportunity to test it against a quick turn hot engine start!
>
> So far much simpler and when it starts its runs smoother almost
> immediately, vs the prime method, where it coughs and pops for quite a
> while before smoothing out. nice.
>
> Scott
>
>
> -------- Original Message --------
> From: William Walker<blwalker105 at sbcglobal.net>
>> Ignore all the three-handed, stupid human tricks attempts to start. I
> recently learned this from a Beech Baron/Colemill conversion hanger-mate. It
> has worked on three successive hot-starts where other methods have proven
> ineffective.
>>
>> HOT START PROCEDURE:
>>
>> NO ATTEMPTS at clearing vapor-locked engine with any fuel pump/mixture
> settings or run times. Boost pump off.
>>
>> All engine controls firewalled:     Throttle, Prop, Mixture
>>
>> 		BE READY ON THROTTLE TO RETARD UPON ENGINE COUGH/ATTEMPTED
> START!!!
>>
>> Engage starter, wait for coughing or rich-sounding attempted start -
> smoothly retard throttle toward idle as engine catches.
>>
>> TAXI HAPPILY AWAY!!!
>>
>>
>> Bill Walker
>> N36LV
>>
>>
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>

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door will be opened to you.
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