🚀 go-pugleaf

Hi there
I have been running a GP CAP 21 (60") with a YS 45 2stroke for a month or two
now with a ROBART ultra on it. From memory i have set it up so that the vent
line opens to atmosphere when in the fill position, so it lets the pressure out
after a run, and you dont get any fuel pushed out the fuel line, and obviously 
seals the vent to hold pressure when in the run position. I have had no running
problems at all! when you open to the fill position, you do get some fuel spray
out the vent hole behing the fill nipple. to prevent this spaying onto the 
paintwork, i bent a piece of 1/16 or 3/32 OD brass tube and pushed it into the
vent hole so the that it points down and away from the fuse, and doesnt get in
the way of the fill tubing going on the nipple (well not much anyway). the
amount of tubing this needs inside the cowl is scary to look at, but it all
seems to work ok - I'd need a diagram to reassemble it though! Haven't had a
dead stick yet. BTW, when I bench ran the YS, I left it plumbed up to the tank
for a week once, and the tank held pressure until I opened the valve - thats
a reasonable pressure seal test I thought.
jp