REFLECTOR: Hot Starts

Tue Feb 10 10:27:21 CST 2009

I glued a piece of insulation to the bottom of the spider in my io360, 
which did help.  Haven't tried that yet on the 520.

Scott

Jim Agnew wrote:
> You can help the hard starting by placing a round piece of the stainless 
> steel/ceramic firewall covering between the injector spider and the 
> mounting bracket to help with the heat transfer via the bracket.
>  
> Jim
>  
> James F. Agnew
> Jim_Agnew_2 at Yahoo.Com
> Tampa, FL
> Velocity 173 Elite Aircraft Completed & Flying
> 
> 
> ------------------------------------------------------------------------
> *From:* "aminetech at bluefrog.com" <aminetech at bluefrog.com>
> *To:* Velocity Aircraft Owners and Builders list <reflector at tvbf.org>
> *Sent:* Tuesday, February 10, 2009 10:53:44 AM
> *Subject:* Re: REFLECTOR: Hot Starts
> 
> Hot starting is difficult for me also.  I think the problem is that the 
> starter is hot from the heat under the cowl.  One thing I do that helps 
> a lot is to get things as cool as possible by planning a low power 
> decent, straight in if possible, and shut down asap after landing.  I am 
> concerned that I would have the same problem trying to re-start in the 
> air.  One of these days I plan to run a small cooling air line from the 
> plenum to the starter.
> 
> John
> 
> --- scott at tnstaafl.net <mailto:scott at tnstaafl.net> wrote:
> 
> From: Scott Derrick <scott at tnstaafl.net <mailto:scott at tnstaafl.net>>
> To: Velocity Aircraft Owners and Builders list <reflector at tvbf.org 
> <mailto:reflector at tvbf.org>>
> Subject: REFLECTOR: Hot Starts
> Date: Tue, 10 Feb 2009 07:20:21 -0700
> 
> My IO360 could be real persnickity about starting hot.  If you managed
> to get it on the first try all was well. If not, you were probably in
> trouble.
> 
> The T210's I fly have TSIO520's in them and are easy hot starters.
> Easiest I've ever flown. I think in 5 years  and 1500 hours I may have
> had 2 or 3 hard hot starts.  All of them right before a rebuild when
> the compression on quite a few cylinders were getting pretty low and
> doing the hot start in Phoenix in July after a 10 minute turn around.
> 
> I figured the TSIO520 I just installed would be the same way, an easy
> hot starter. No deal. My changes to the fuel system, or induction system
> or exhaust, or turbo or more likely the combination of all of them has
> turned it into a hot start beast.
> 
> One of those 3 handed, tongue twisting, pre-ignition prayer starting
> engines!
> 
> I haven't figured out the right combination yet but hopefully soon!
> 
> Scott
> 
> 
> Craig and Denise Woolston wrote:
>  > Rene-
>  >
>  > 
>  >
>  >  We have a Sky-Tec on our Cont. IO-550, so I can’t answer all of your
>  > questions.  It’s a “good” starter but I don’t have anything to compare
>  > it to.  We never tried anything else.  But starting a hot fuel injected
>  > engine has been hard on the little guy.  We have burned one up in the
>  > first year and a half (approx. 200hrs).  Talking with Skytec they have
>  > said follow their rules; 3 burst of 10sec each and then wait 30min.
>  >  They rebuilt it for a couple hundred.  We have #2 gauge wire running to
>  > it and a Odyssey battery and it sees less than a volt drop so I believe
>  > the ship is providing the best it can but they admit that it’s a lot of
>  > heat to dissipate for the little guy.  It only weighs 8lbs.  They said
>  > they are working on improvements but said it will probably need to be
>  > rebuilt after two years.  This was a year and 150hrs ago.  Still turning
>  > fine.  Cold starts are a no brainier.  The hot starts is where we havn’t
>  > quite perfected it.
>  >
>  > 
>  >
>  > Craig
>  >
>  > XL-5FG Flying in Lancaster, CA
>  >
>  > 
>  >
>  > ------------------------------------------------------------------------
>  >
>  > *From:* reflector-bounces at tvbf.org 
> <mailto:reflector-bounces at tvbf.org> [mailto:reflector-bounces at tvbf.org 
> <mailto:reflector-bounces at tvbf.org>]
>  > *On Behalf Of *Rene Dugas
>  > *Sent:* Saturday, February 07, 2009 7:21 PM
>  > *To:* Reflector
>  > *Subject:* REFLECTOR: Sky Tec Starter
>  >
>  > 
>  >
>  > Fellows,
>  >
>  > I have a D4A5 IO-540 260 hp on my XL Velo.  My Lamar is to be replaced
>  > and I am considering the Sky-Tec.  Which one fits the inline or the
>  > short side motor mounted one without cowl blisters?  Is one better than
>  > the other?    Is the High Torque needed for this improved starter? 
>  > Suggestions?
>  >
>  > Rene’
>  >
>  >
>  > ------------------------------------------------------------------------
>  >
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