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"Chrome Moly TD .020 RC"



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TD .09 on a bladder tank

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TD .09 on a bladder tank

Post  londke3 on Sun Feb 05, 2012 1:31 pm

Hey Guys, I was wondering if anyone has run a TD .09 on a bladder tank. If so what size tubing? Latex or neoprene? And finally will it needle with the stock NVA. Thanks Mike
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Re: TD .09 on a bladder tank

Post  John Goddard on Sun Feb 05, 2012 2:22 pm

I'm kinda awaiting the same sorta answers Mike.
Rusty seems to be da man but he ain't about at the Mo.
Btw welcome on board
J
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Re: TD .09 on a bladder tank

Post  RknRusty on Sun Feb 05, 2012 9:47 pm

Hey dudes, just got back from the beach. Welcome Londke
The number one answer is, no it will not work with a regular NV. I don't know what a .09 NV looks like, but check Texastimers.com, click needle valves in the left frame. I just looked and they say they're for the .049s, but you might want to call or e-mail them. Kittingittogether.com might be some help. If you still can't find the right NV, ask at rcgroups.com in the 1/2A forum, and rcuniverse.com too.

Also click pressure bladders in the left frame at Texastimers.com and they show you everything you need for a bladder. Get the thin wall latex tubing. I make bladders out of 1.5 inches of this stuff and it holds 2 ounces of fuel easily. Click on the picture of their bladder assembly for more configuration ideas.



Here is one of mine with 1.5 ounces of fuel in it:

In the tail end is a 1 way valve to aid in filling, with a Luer Loc syringe adapter. The other fitting off to the side is where I bleed air out if I accidentally pump a buibble in. The front has a fitting for the fuel line. All of this came from Texastimers.

That's 1.5 ounces of fuel forced into 1.5 inches of tube, and if you notice that last 1/2inch of unexpanded tube... that would hold another 1/2 ounce or more. It's unfreaking believable. You have to "train" the tube to expand in the front. Wear safety glasses at ALL times.

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