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1. 08:55 PM - Re: Airflow Performance Purge Valve Fitted to RV-10 (rv10flyer)
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| Subject: | Re: Airflow Performance Purge Valve Fitted to RV-10 |
[quote="Mauledriver(at)nc.rr.com"]On 5/11/2014 2:16 PM, JimVillani wrote:
> v:* {behavior:url(#default#VML);} o:* {behavior:url(#default#VML);}
w:* {behavior:url(#default#VML);} .shape {behavior:url(#default#VML);}
> Don,
> I am having a hell of a time starting my IO540 on a Hot Start,
no problem when it is cold.
> What is your secret?
> Please advise..
>
>
>
I'm coming up on 500 hours with a stock Vans-sourced engine. Here's my
cold and hot start procedure. Works without fail unless I have a brain
fart and do something else (it happens).
Cold Start: Crack the throttle (1/4" on quadrant), boost pump on, open
mixture for 5 seconds (or more) and close mixture. Crank until it fires
and smoothly open mixture. If it doesn't fire after 1 or 2 prop turns, stop
cranking, open mixture for a couple more seconds, close and crank. Can't
remember having to ever repeat that again. (Rather than the 5 seconds,
watching the fuel flow meter while the mixture is open is more effective.
Just open until the fuel flow goes up and then stabilizes. Then close and
start. No 2nd tries required when following this method).
Hot Start: Crack throttle, boost pump on, crank. Can takes 3 or 4 turns
until it starts to fire, roughly. Smoothly open mixture.
All movements are smooth. I only open mixture to the position slightly
richer than I use for taxi, then once started, I lean it to my normal taxi
setting (and LOP setting).
If the throttle isn't cracked, neither method results in a start. I don't
touch throttle until it starts, then I simply try to keep it around 1000rpms
I do a fair number of hot starts - landing at home and filling up before
taxi to hangar (definite hot start). Or, taxi to fill-up before taking
off (not sure that qualifies but I use the hot start procedure). My home
base is in Durham NC, so the ambient temps can be sky high.
I'm not sure exactly who gave me these instructions. Might have been
in the Van's doc but whatever... I've never been able to figure out what the
big deal is with hot starts. This is my first fuel injected engine.
Bill
> [b]
Works for me too. Simple.
--------
Wayne G.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=423391#423391
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