YS 91FZ problems still

[Bob Kane]

Is the engine mounted on a stand or in the plane? 1-2
minutes at full throttle on the ground could cause the
motor to overheat, those bubbles could be vaporized
fuel. 


--- Dean & Melissa Williams <dmwilliams at bigpond.com>
wrote:

> Hi 
> This motor was running great at last after my idle
> problems thanks to you guys (fix them by sanding the
> rocker cover) was getting 9000 rpm top end and 2100
> rpm bottom end with A 14x 10 with a20/20 this is a
> new engine. 
> The plane has still not been in the air. 
> the engine has had about 5l of fuel through it. 
> The problem now is it starts runs up and tunes out
> to 9000rpm and runs for about 1 to 2 min. and then
> starts to surge and goes off tune with air bubbles
> in the fuel line from the regulator. 
> Please help as I am from the outback of Australia
> and have no assistance out here. 
> 
> Thanking you 
> Dean (outback OZ) 


=====
Bob Kane
getterflash at yahoo.com


		
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