Bobcat Hopper position
12-15-2007 | 04:31 AM
#1
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From: farnborough, , UNITED KINGDOM
Bobcat Hopper position
Guys, installing the tanks currently in a Bobcat, currently the saddle tanks are in position and fit fine, according to the drawings a 16oz hopper tank fits on end in between the two saddle tanks.
The hopper tank I have been supplied by the client I don't believe is the BVM unit and as a result the fuel fitting to the tank really gets in the way of the saddle tank fuel pipes and nesesitates tight bends in the Tygon fuel tube.
My question is can the hopper be positioned above the saddle tanks, or is good old gravity playing a major part here?
There is room to raise it a few inches off the bottom so the top is touching the inside of the fuselage, and the bootom is clear of the saddle tank feed nipples.
marc.
The hopper tank I have been supplied by the client I don't believe is the BVM unit and as a result the fuel fitting to the tank really gets in the way of the saddle tank fuel pipes and nesesitates tight bends in the Tygon fuel tube.
My question is can the hopper be positioned above the saddle tanks, or is good old gravity playing a major part here?
There is room to raise it a few inches off the bottom so the top is touching the inside of the fuselage, and the bootom is clear of the saddle tank feed nipples.
marc.
12-15-2007 | 05:26 AM
#3
RE: Bobcat Hopper position
I haven't got that far yet but it looks to me like that is the correct tank as supplied by BVM.
It should be just a standard Sullivan 16oz as shown here http://www3.towerhobbies.com/cgi-bin...?&I=LXFT72&P=7
The pic in the manual shows it as quite a tight fit too.
It should be just a standard Sullivan 16oz as shown here http://www3.towerhobbies.com/cgi-bin...?&I=LXFT72&P=7
The pic in the manual shows it as quite a tight fit too.
12-15-2007 | 11:35 AM
#5
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From: farnborough, , UNITED KINGDOM
RE: Bobcat Hopper position
Dave, cheers for the help, and good to meet you at Abingdon on Friday.
Would it be OK to spin the hopper tank bung round 90 degrees so the two pipe exits are horizontal rather than vertical, that would make it easier for the pipes from the hopper tanks to pass over and under?
marc.
Would it be OK to spin the hopper tank bung round 90 degrees so the two pipe exits are horizontal rather than vertical, that would make it easier for the pipes from the hopper tanks to pass over and under?
marc.
12-15-2007 | 12:35 PM
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From: Rahway,
NJ
RE: Bobcat Hopper position
Marc you can raise the hopper tank if you want, the upgraded kevlar tank from BVM sits on top of the main tanks. Gravity feed does not play a role here as we have a fuel pump to draw fuel from the tanks.
Alan
Alan
12-15-2007 | 12:49 PM
#7
RE: Bobcat Hopper position
ORIGINAL: 3DHELINUT
Gravity feed does not play a role here......................
Gravity feed does not play a role here......................
12-15-2007 | 12:56 PM
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From: Rahway,
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RE: Bobcat Hopper position
ORIGINAL: KC36330
it does when it comes to the vents and it draining out on the ground when the turbine isn't running.
ORIGINAL: 3DHELINUT
Gravity feed does not play a role here......................
Gravity feed does not play a role here......................
Alan
