Fuel Tank: Difference between revisions

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==New Fuel Tank==
#REDIRECT [[Liquid Fuel Tank]]
 
This design will use a section of 1/4" x 6" x 12" tubing similar to that used for the hydraulic reservoir.  The capacity is calculated as follows:
 
:: <nowiki>(5.5" x 11.5" - (pi x( 0.5)^2)) x 27.5 / 231 = 7.43 Gal</nowiki>
 
Let's say we want a 5 gallon tank, we can calculate the tube length as follows.  Set the volume to 5 gallons, tube length to "L" and compute:
 
:: <nowiki>(5.5" x 11.5" - (pi x( 0.5)^2)) x L / 231 = 5 Gal</nowiki>
 
:: <nowiki>5 Gal x 231 / (5.5" x 11.5" - (pi x( 0.5)^2)) = L =~ 18.5"</nowiki>
 
Similarly, here are the calculations for 6 and 7 gallon tanks:
 
*6 Gallon tank: <nowiki>6 Gal x 231 / (5.5" x 11.5" - (pi x( 0.5)^2)) = L =~ 22.25"</nowiki>
 
*7 Gallon tank: <nowiki>7 Gal x 231 / (5.5" x 11.5" - (pi x( 0.5)^2)) = L =~ 26"</nowiki>
 
==Off The Shelf fuel tank==
 
SurplusCenter.com sells a 5.5 gallon "off the shelf" fuel tank for $40:
 
::[[Image:FuelTank5.5.png]]
 
::Item# 28-1756
 
Based on the given dimensions, I jammed together a Sketchup model and fit it into the Power Cube:
 
::[[Image:SFuelTank1.png]]
::[[Image:SFuelTank2.png]]
 
 
It could work, though we'd have to work out redirection of exhaust and mounting.
 
Update: This fuel tank is no longer for sale.
 
Designs using commercial fuel tanks will only work if the source is reliable.
 
==Original Design==
 
The current design includes a steel fuel tank, made with 1/4" x 4" x 8" tubing, yielding interior dimensions of 3.5" x 7.5", with 1/2" radius curved corners.  The calculation below shows it holds 1.6 Gallons:
 
:: <nowiki>(3.5" x 7.5" - (pi x( 0.5)^2)) x 14.5 / 231 = 1.59 Gal</nowiki>
 
::[[Image:CurrentFuelTank.png]]

Latest revision as of 17:05, 26 May 2020

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