REFLECTOR: Hot Starts

[aminetech at bluefrog.com]

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 wrote:

From: Scott Derrick <scott at tnstaafl.net>
To: Velocity Aircraft Owners and Builders list <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] 
> *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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