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Is one gallon worth it?

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cdlwingnut

Well-Known Member
Supporting Member
Joined
May 25, 2015
Messages
552
Location
Iowa
I have a 6 gallon boat tank in the fuselage of the ultra-piet that I'm building. I am putting a rotax 503 on the front of it so I'm guessing a fuel burn between 3 and 4 gallons an hour. that means 6 gallons will give me around 1 1/2 to 1 3/4 hours. I don't have much room for more fuel but could fit the one gallon tank bellow up front to give me an extra 15 mins. My question is do you think the extra gallon is worth the effort and added complexity to the fuel system? I figure the plane will cruise at about 60-65mph so I'm not going far with 15 mins but if winds pick up it may be nice.

here's the tank I'm thinking about
https://www.usplastic.com/catalog/item.aspx?itemid=104079&catid=578
 
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