On Thu, Sep 17, 2009 at 8:31 PM, Chris Barber <cbarber@b= ellairepolice.com> wrote:

Good th= oughts Mark.=A0 I think that I have not been going full rich at cold start = up....perhaps out of fear of flooding it. Of course I suppose I could just = as easily flood it by over priming.=A0 Your way is correct as I remember it= from Tracy's manual.=A0Like I said, I still need to develope the prope= r techniqes now that I am hopefully moving past some other concerns.=

=A0

Yeah, OAT may be the diff= erence.=A0 It does get pretty hot on the ramp.=A0 Usually I am able to get = past 6000 without too much probems.

=A0

No, I have not done any h= igh speed taxi runs.=A0 Just some "go-kart" runs around the ramp.= =A0 I do not have to contact EFD ground or tower for that and I aways assum= ed I should have my airworthyness signed off before I take 'er out to a= real runway <g>

=A0

Other thoughts welcome.

=A0

All the best,
=A0

Chris

From: Rotary motors in aircraft [flyrotary@la= ncaironline.net] On Behalf Of Mark Steitle [msteitle@gmail.com]
Sent: Thursday, September 17, 2009 7:46 PM
To: Rotary moto= rs in aircraft
Subject: [FlyRotary] Re: Progress report from Hous= ton

Chris,

=A0

I know that each engine/installation is unique, I usually don't ha= ve to prime even once when cold (summertime), and never when hot (doesn'= ;t need the extra help igniting the fuel mixture).=A0 However, I always go = rich on the mixture knob (full rich=A0for a cold start,=A02-3 o'clock p= osition=A0for a warm start).=A0 It always starts within a few seconds of cr= anking.=A0I would try priming less when hot and see what happens.=A0 Also, = I would check your idle mixture settings.=A0 If it takes that much priming,= it sounds like it may tuned=A0be a bit on the lean side.=A0=A0

My take on=A0your static rpm question=A0is that OAT may be the cause o= f the variations.=A0 Sounds like you've got enough to get off the groun= d.=A0 Have you done any fast taxi runs?=A0 You've got plenty of runway.= =A0

=A0

Mark

On Thu, Sep 17, 2009 at 7:15 PM, Chris Barber <cbarber@bellairepolice.com> wrote:

Oh, also, I am having a bit of trouble to get it to start when hot.=A0 S= eems to crank right up when cold, but I seem to have to hold my tounge just= right to fire it up when hot.=A0 I think it MAY have to do with the differ= ent mixture and priming needed when hot.=A0 It seems to like about six to t= en prime shots when cold, but may like more when hot....not sure yet. Annoy= ing though.....especially when trying to show off to the curious....who hea= rd the engine a few minutes ealier <g>

=A0

Thanks.

=A0

All the best,

=A0

Chris

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