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Author Topic: How much fuel for ST46  (Read 896 times)

steven yampolsky

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How much fuel for ST46
« on: October 10, 2012, 08:26:57 PM »
How much fuel does a typical ST46 use? I'm trying to figure out how much of a fuel tank do I need. Is 4.5oz enough?
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Offline RandySmith

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Re: How much fuel for ST46
« Reply #1 on: October 10, 2012, 09:56:07 PM »
Quote from: Steven Yampolsky on October 10, 2012, 08:26:57 PM
How much fuel does a typical ST46 use? I'm trying to figure out how much of a fuel tank do I need. Is 4.5oz enough?

I used 5.5 ounces in mine, as did many others, it will somewhat depend on plane size and how much power you will need

Randy
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Offline Leo Mehl

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Re: How much fuel for ST46
« Reply #2 on: November 06, 2012, 11:48:48 AM »
I am using a 5.5s tank on my Vector and running a slow 2-4 break with an APC 11/6 prop and I have plenty of room for the pattern. It will also be about right for the 11/5. Good cobination but like the Stalker much better. HB~> HB~> HB~>
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Online Bill Hummel

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Re: How much fuel for ST46
« Reply #3 on: November 06, 2012, 02:03:34 PM »
Why, Leo?
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Online Brett Buck

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Re: How much fuel for ST46
« Reply #4 on: November 06, 2012, 03:26:46 PM »
Quote from: Steven Yampolsky on October 10, 2012, 08:26:57 PM
How much fuel does a typical ST46 use? I'm trying to figure out how much of a fuel tank do I need. Is 4.5oz enough?

   4.5 is just barely adequate for midwest summer, stock venturi, 5% nitro, and a good ring fit. Sea level, 10%, .173 venturi, and a good ring is something like 5.5. I have run configurations that were well up over 6 oz. I would suggest at least 6 and leave room for 7.

     Brett
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Offline Chris Wilson

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Re: How much fuel for ST46
« Reply #5 on: November 06, 2012, 05:24:25 PM »
Quote from: Brett Buck on November 06, 2012, 03:26:46 PM
   4.5 is just barely adequate for midwest summer, stock venturi, 5% nitro, and a good ring fit. Sea level, 10%, .173 venturi, and a good ring is something like 5.5. I have run configurations that were well up over 6 oz. I would suggest at least 6 and leave room for 7.

     Brett
Yep, I have friends that use 6oz in their Tigre 46's here in OZ and that is with drawing some out after fueling- so 7 oz does seem to be a realistic size.
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Online Brett Buck

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Re: How much fuel for ST46
« Reply #6 on: November 06, 2012, 08:25:43 PM »
Quote from: Chris Wilson on November 06, 2012, 05:24:25 PM
Yep, I have friends that use 6oz in their Tigre 46's here in OZ and that is with drawing some out after fueling- so 7 oz does seem to be a realistic size.

    Well, if you are going to try to compete with an ST46 today, you are likely going to need a lot of nitro (at least 15 and maybe 20), and that's going to take a lot of capacity.

    Brett
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