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General control line discussion => Open Forum => Topic started by: Dan Berry on April 21, 2018, 07:52:21 PM
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This is how the open-cockpit Vector came out.
38.5 oz without tank or tip weight.
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This is how the open-cockpit Vector came out.
38.5 oz without tank or tip weight.
Oh Dan that is wicked cool!!!!!! Cant weight to see it in 2 weeks!!!
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Dan, that isn't a freeflight. It looks pretty cool, good luck with it. Ken
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Dan, that isn't a freeflight. It looks pretty cool, good luck with it. Ken
Sometimes my ukie stuff engages in Free Flight. Sometimes I save'em.......
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Very nice Dan.
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I have just encountered a problem.
I intend to use a 6oz round Sullivan tank.
The tank is about 1/8 larger diameter than the fuselage width. I don't think that using a big hammer will make it fit.
Can I use a heat gun or bake the tank in an oven to soften it a bit?
More to the point--- will I have any success with squeezing the tank that way?
Pen bladders on FF planes are sure easier to make work.
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I believe...this tank will fit much better.
John has many sizes to match your tank Needs.
http://brodak.com/wide-wedge-magnum-uniflow-fuel-tank-5-oz.html
My Vector OS LA 46 Combo got one and works just "GREAT".
H^^ Peter
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I believe...this tank will fit much better.
John has many sizes to match your tank Needs.
http://brodak.com/wide-wedge-magnum-uniflow-fuel-tank-5-oz.html
My Vector OS LA 46 Combo got one and works just "GREAT".
H^^ Peter
But.... I don't have one of those. If it's a true 2" wide it wouldn't go. I'm a bit shy of 2" inside width on the fuselage.
I have a 4oz slant front plastic that would fit but I worry about enough fuel with 4oz. I have a 5oz metal that is plumber for a profile but I have no desire to replumb it.
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I have never tried heating and reforming a standard Sullivan tank. I'm not liking the odds on that one--but if you are at the "nothing left to lose" stage, let us know how it turns out. These are made from polyethylene which is a thermoplastic resin, so it should be technically feasible. I just worry about getting a lot of distortion from uneven heating. If I was going to try it, I would put the tank between two board in a vise and try to heat and squeeze to try to keep it straight--kind of stress relieving as you go. Maybe.
On the other hand, they come right out and tell you that you can use a heat gun on the flex tank:
"Flextanks are molded from a special flexible, translucent polymer blend making them easier to fit into tight places and are very durable. They can be reshaped with a heat gun if desired. Flextanks are for glow fuel only."
http://sullivanproducts.com/?s=flex+tank
The 4 oz. flex tank is nominally 2" wide, including the vent bump, in the orientation that we would use. It will squeeze down by an 1/8" pretty easily. (I have one in my hand right now.)
they have a 6 oz. version of same. My Vector will take a 4-1/2" long tank, possibly longer, so you should be able to fit a 6 oz tank. The dimensions in their table do not include the length of the cap or lines. I just pushed the 4 oz. tank into the plane--I didn't bother with a heat gun.
Good luck,
Dave
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Hi Dan,
just give you my ARF Vector Picture.
The innerwith of tankbay measures exactly 53mm .
2 inches = 25,4mm x 2= 50,8mm which gives you a inner gap of 2,2mm between sidewalls.
The 2inch wide metal tank should fit just perfect.
cheers
Peter H^^
GER-1223
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What sort of engine requires 6 ounces for the pattern? A Vector normally runs with a .40 or a .46 glo.
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What sort of engine requires 6 ounces for the pattern? A Vector normally runs with a .40 or a .46 glo.
It's an LA46. I never figured that 6oz was needed but that 4oz might not be quite enough.
I'm looking at a 4oz slant front Sullivan tank.
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4 ounces of 10% runs me out of fuel in the clover.....and did for Bill Rich as well....he switched to 5%...I have some coming.
My new Vector ARF/LA 46 has a 5 oz. tank.
62' lines and that fancy Thunder Tiger prop.
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LL~ Good job Dan.. Hope its coming to the El Dorado contest !!
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Dan, I have cut a 1/8th v in the inside of the outside fuse side .just enough to push the tank into
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Well, the 4oz slant front tank isn't gonna work. For several reasons.
There is a plan in place.........
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Well, the heat gun seems to have solved the problem.
I have squeezed (squoze) the 6oz tank so that it will fit.
RTF the plane will be under 41oz.
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Well, the heat gun seems to have solved the problem.
I have squeezed (squoze) the 6oz tank so that it will fit.
RTF the plane will be under 41oz.
Thats what im talkin about!!!
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