Fuel Feed

[John Upex]

I have a problem with fuel supply to a 10cc / (61) engine in a 3 Point
Hydroplane.
Basically the onboard fuel is supplied from pressure fed Port and Starboard
tanks linked together to supply the engine. This supply is erratic but no
obvious reasons can be found.
Options are:
1) to run off one tank and halve the run time.
2) to add a third but smaller tank to form a supply header/reservoir.
or 3) to pump the fuel by means of either a Perry or Cline fuel pump.
Your comments would be appreciated.

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http://www.virgin.net/

[Rod Geraghty]

Start by plumbing the entire system with a minimum 5/32" O.D. [1/8" I.D.]
tubing.
I believe you are experiencing a bad case of line losses which is causing your
erratic running.

John Upex wrote:

> I have a problem with fuel supply to a 10cc / (61) engine in a 3 Point
> Hydroplane.
> Basically the onboard fuel is supplied from pressure fed Port and Starboard
> tanks linked together to supply the engine. This supply is erratic but no
> obvious reasons can be found.
> Options are:
> 1) to run off one tank and halve the run time.
> 2) to add a third but smaller tank to form a supply header/reservoir.
> or 3) to pump the fuel by means of either a Perry or Cline fuel pump.
> Your comments would be appreciated.
>
> --
>
> --
> http://www.virgin.net/