Sounds good, Mike...I'm certain it'll fly the QB, so I'll be expecting you!

--Ray

Ray,

Got a little more information on balsa fuel tanks over on RCGROUPS, and a link to a method that I hadn't heard about before. These fellows lined their tanks with very thin aluminum foil, for an added level of protection. I don't think that would be necessary with thinned epoxy. The reason I mention thinned epoxy, is that my experiments with epoxy, using 99% Isopropyl alcohol (available at bigger drug stores) to reduce the viscosity,  proved that it stays flexible for years! I had a cast sample around for at least ten years, and it was still flexible the day I threw it away!

http://home.wxs.nl/~wakke007/balsatank/balsa1.htm


OK, keep me in mind for a Queen Bee kit the next time you offer them, but I don't need one anytime soon. I have too many unfinished projects on hand already. 


Robert, Ray,

I've seen those cut away tanks, and actually have a spare tank on hand (thanks to Larry Renger).

What might work as well, would be to cap one of the vents in an existing tank, and use the remaining vent to feed from an external tank (ala chicken hopper style). A balloon tank would work well for this I think, and could be mounted at the CG, above or below the Pee Wee venturi. As I  understand it, only the hopper section has to be on a level with the Pee Wee intake.

Darn, I gave away my LNIB Tee Dee .010 to a friends young son several years ago, along with a NIB Cox Venom, and spare glow heads for both!  The family went through a divorce shortly after, and when the father moved out of state, the son lost all interest in model airplanes. 

Bill

Now that looks just about right...if you didn't know the scale involved, you'd think it was a nicely sized 1/2A with an .049!

I bet it flies great.  But not in 25 mph wind...

--Ray

Mike, be VERY SURE the venturi ring is open, it's a "spray" venturi and mighty tiny little holes in it.  My TeeDee .020 required my poking through the holes with a thin wire to open them up, and that after soaking in various solvents (you could hardly even see the holes, gotta be even smaller on the .010).  You can maybe check it by backing the needle valve 'way out and squirting fuel through under pressure, it should dribble into the venturi very obviously.  Or if you're using clear fuel line, choke it with the needle 'way rich and you should see the fuel moving in the line. Another possibility, if the tank doesn't seal at the crankcase there will be no suction.

I'm sure you have checked the tank outlet to be sure it's open also. And the vents...

Keep after it!

--Ray

--Ray

Always true, be it cars, or houses, or model airplane engines! They're intended to be used.  there's some story about an ancient Roman aqueduct in Italy that was still carrying water 20 centuries after it was built...Italian gov't decided to preserve it as a historical artifact, and shut the water off.  It immediately began to fall apart! "Use it or lose it" fits a whole lot more than knowledge, or physical strength. 

If fuel is getting through the spray venturi, but it's still not drawing, there has to be a vacuum leak at the crankcase.  I'd check that seal again, mybe try silicone as you suggested.

--Ray