By installing a purge valve, hot starting a TSIO 550 after 30 min. is a
big pain in the ....neck (keeping it nice lol)

Another way is to 'try' to cool and flush out the fumes by using the Boost
pump with the Throttle WOT and the Mixture closed for at least 40 seconds
(this helped me with my TSIO 550 I had in the Velocity), after that start
as usually but have your boost pump on low and if that does not work, take
a break and do not start until your batteries are depleted LOL

(I want to have the purge valve installed in my next plane ;)

Good luck -- Ronald

On 6/7/11 2:18 PM, "John Hafen" <j.hafen@comcast.net> wrote:

>Gents:
>
>What have you found to be the best hot start procedure for a TSIO 550,
>with mags, in an IVP?  I'm not talking immediately after engine shut
>down, but shut down on a hot tarmac after 30 to 40 minutes so the fuel
>lines are nice and hot and boiling the internal fuel.
>
>Thanks,
>
>John
>IVP 413AJ
>
>
>
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