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The Biplane Forum > Biplane Builder's Forums > Steen Skybolt > Skybolt R&D Versions > Radial Skybolt - 35 Gallon Tank - NOT


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Old 01-11-2008, 04:26 PM   #1
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On Steen's site they list a 35 gallon main tank for the Radial Skybolt.


I've looked on the plans and haven't seen anything on it. Asked David Stone... and that was a new one for him. He hadn't heard of any such thing.


So... just putting this on the site letting any up and coming Radial Skybolt builders know... there isn't a design out there for a 35 gallon tank. Stop your searching. Ya got a total of 47 gallons with the 29 main and 18 in the wings.


If anyone knows anything better... please let me know.



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Old 01-11-2008, 05:34 PM   #2
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Maybe Curtis had planned on a 35 gallon tank but never got the plans drawn. Looking at our main tank in the fuse, there could be room for a larger tank with an odd shape. Foot room for someone really tall up front might get tight though.

Jim



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Old 01-11-2008, 05:39 PM   #3
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My shape is 'slightly' odd [the tank I mean!], and it's 30 gallons.

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Old 01-11-2008, 06:50 PM   #4
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Jim
That's what David was thinking too.


Beej
Is that a Steen tank you have ?


I'm not into building a gas tank . I'll just make the "dummy" tank the size of the one shown on the drawings and go from there.

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Old 01-14-2008, 03:01 AM   #5
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Quote:
Originally Posted by Jerry
Is that a Steen tank you have ?

no, it's a hombuilt job from the 70's.
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Old 03-25-2012, 02:40 PM   #6
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Looking at my cardboard cutout formers last night and I saw that I can go up another 4 1/2" with the main fuel tank... estimating that would be a total of 46 gallon... if I go up2 1/2" inches that would give me the fuel tank capacity that Steen said the R version's main tankhas; 35 gallons.
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Old 03-27-2012, 01:54 AM   #7
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Be careful with that extra height and depth, Jerry. You need to take into account that one of the limitations is the opening you have between the cabanes/longerons when you are trying rotate the tank as you are trying to get it in and out. Mine is a real pig to get in and out. It takes patience and a couple of beers, every time.
If I made a new tank, it occured to me that to maximize the volume/shape, I would make a mock up out of blue foam...you could keep trimming away until you got it in there, if you took off too much, simply glue some foam back on and tweak.

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Old 03-27-2012, 02:16 AM   #8
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John makes a good point. My main tank holds 38 gallons, and would require removing the upper wing to get the tank out.


Danny

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Old 03-28-2012, 03:09 AM   #9
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Thanks for the heads up Beej and Danny... always good to look ahead in the build.




The cabanes are like a Stearman's. I'll have to dummy up something to make sure a larger tank will work.


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Old 03-28-2012, 03:40 AM   #10
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Jerry,
Let me get this straight....you are missing 6 gallons in the main tank?!?
What is that....30 seconds on a radial?
Just where are you going that a total of 5 min 30 sec will get you that just 5 min won't?
[img]smileys/smiley2.gif[/img]
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Old 03-28-2012, 03:43 AM   #11
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good question, David...


30 seconds.. it'll get me up 1500 feet higher... a little bit more glider time

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Old 03-28-2012, 03:46 AM   #12
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Sweet!!!



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Old 07-27-2012, 02:12 AM   #13
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Don't forget to allow room for those two front sway wire brackets (Delta design only)that will intrude on the tank. Your tank design will have to be modified for that.

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Old 07-28-2012, 03:55 PM   #14
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Thanks for the heads up, Scott. I'm trying to build this looking a few steps forward...



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