TT Pro 1.20 Question

[Rcmaster199 at aol.com]

It sounds like a pumped set-up. The tank vent should be
 left open during operation, to allow air to enter as the fuel is used up. 
The caveat is that the vent will often syphon fuel out if the vent is out in the 
slip stream. I use a YS check valve to allow air in but no fuel out.

The 2 stroke 120 engine type should be able to turn a 16x10-11;  17x9-10 
fairly well in the usable rpm range we need.

Why such a large engine on such a small model?

MattK


> Subj:TT Pro 1.20 Question 
> Date:6/29/2004 6:46:38 PM Eastern Daylight Time
> From:pwl45 at yahoo.com
> Reply-to:discussion at nsrca.org
> To:discussion at nsrca.org
> Sent from the Internet 
> 
> 
> 
> I'm experimenting with a Thunder Tiger Pro 1.20 and wondered if anyone knew
> how the tank should be vented. The manual says to run the fuel pickup line
> to the inlet on the pump and connect the pump outlet to the carb. Then it
> says, "Never to connect the tube from muffler/pipes pressure nipple to fuel
> tank with this pump system." I'm thinking I just need to run an open vent
> line. Does that sound right?
> 
> Also, any advice on what prop to run?
> This engine will be in a Tai Ji .60, runnning Pro Pattern 20%, weighting 9
> lbs and running the TTR 9712 pipe.
> 

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