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  #1  
Old 12-04-2017, 03:35 PM
az_gila's Avatar
az_gila az_gila is offline
 
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Location: 57AZ - NW Tucson area
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Question Fuel valve location Q.

I'm removing the Vans fuel selector and mounting an Andair valve in the -10 QB kit I bought. At the same time I'm relocating it 3 inches down to copy the newer factory location.

It would be easier assembly and fabrication for me it the valve could move 1 inch or so further forward.

Can anyone with a finished -10 tell me if this could cause problems? I plan on using the AeroSport center console it that makes a difference.
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Half completed RV-10 QB purchased
RV-6A N61GX - finally flying
Grumman Tiger N12GA - flying
La Cholla Airpark (57AZ) Tucson AZ
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  #2  
Old 12-04-2017, 03:52 PM
BobTurner BobTurner is offline
 
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Location: Livermore, CA
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The center tunnel top has a hole for the valve shaft pre-drilled, so you'll need to patch that in some way. Check that the valve handle/pointer will clear your center console in the new location. Obviously none of the fuel line bends will be per-plans if you move forward, but I don't think there's anything that can't be made to work. I'd strongly suggest the mod some have done, of putting a side access panel into the bottom of the tunnel, to get a wrench in there for R&R the fuel filter. Going from the top is painful, and with the valve more forward may be even harder, not sure.
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Old 12-04-2017, 04:11 PM
rvbuilder2002 rvbuilder2002 is offline
 
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It is a pain if you have to loosen shoulder harnesses whenever you want to reach the fuel valve.......
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  #4  
Old 12-04-2017, 07:58 PM
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az_gila az_gila is offline
 
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Question

Quote:
Originally Posted by rvbuilder2002 View Post
It is a pain if you have to loosen shoulder harnesses whenever you want to reach the fuel valve.......
Yes, I understand that, but would <1 inch make that much difference?
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Half completed RV-10 QB purchased
RV-6A N61GX - finally flying
Grumman Tiger N12GA - flying
La Cholla Airpark (57AZ) Tucson AZ
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  #5  
Old 12-05-2017, 08:43 AM
jwilbur jwilbur is offline
 
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Quote:
Originally Posted by az_gila View Post
I'm removing the Vans fuel selector and mounting an Andair valve in the -10 QB kit I bought. At the same time I'm relocating it 3 inches down to copy the newer factory location.

It would be easier assembly and fabrication for me it the valve could move 1 inch or so further forward.

Can anyone with a finished -10 tell me if this could cause problems? I plan on using the AeroSport center console it that makes a difference.
I'm using the Andair valve in the stock location with the AeroSport center console. Here is a (bad) picture.

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Last edited by jwilbur : 12-05-2017 at 12:59 PM.
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  #6  
Old 12-05-2017, 10:04 AM
rvbuilder2002 rvbuilder2002 is offline
 
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Quote:
Originally Posted by az_gila View Post
Yes, I understand that, but would <1 inch make that much difference?
I can't answer that... everyone's body is slightly different.
If you were able to just barely comfortably reach it in the stock location, 1" fwd could cause it to be a stretch.

I am 5'9" and about average leg to torso proportioned (30" inseam).
When I fly either of our RV-10s (with the rudder pedals in the center mounting position) and my shoulder blades remaining against the seat back, I can just reach the fuel valve with my arm fully extended straight. I don't feel like I am stretching to reach it but I would be if it were any further fwd.

If using the center console raises the elevation of the handle that would offset/improve any fwd move slightly (but I am not sure how much).
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Last edited by rvbuilder2002 : 12-05-2017 at 10:06 AM.
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  #7  
Old 12-05-2017, 01:14 PM
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az_gila az_gila is offline
 
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Quote:
Originally Posted by rvbuilder2002 View Post
I can't answer that... everyone's body is slightly different.
If you were able to just barely comfortably reach it in the stock location, 1" fwd could cause it to be a stretch.

I am 5'9" and about average leg to torso proportioned (30" inseam).
When I fly either of our RV-10s (with the rudder pedals in the center mounting position) and my shoulder blades remaining against the seat back, I can just reach the fuel valve with my arm fully extended straight. I don't feel like I am stretching to reach it but I would be if it were any further fwd.

If using the center console raises the elevation of the handle that would offset/improve any fwd move slightly (but I am not sure how much).
Thanks Scott.

The center console keeps the fuel valve at essentially the same elevation, so I'll work on new bracketry to keep the valve handle in the stock location.

The revised brackets are needed since I'm dropping the actual valve down 2.5 to 3 inches inside the tunnel like the later kits.

The Andair valve and it's extension arrive from the UK today.
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Gil Alexander
EAA Technical Counselor, Airframe Mechanic
Half completed RV-10 QB purchased
RV-6A N61GX - finally flying
Grumman Tiger N12GA - flying
La Cholla Airpark (57AZ) Tucson AZ
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  #8  
Old 12-05-2017, 02:36 PM
rvdave rvdave is offline
 
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Quote:
Originally Posted by az_gila View Post

The revised brackets are needed since I'm dropping the actual valve down 2.5 to 3 inches inside the tunnel like the later kits.
I must have an earlier kit with a higher bracket, why the change?
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  #9  
Old 12-05-2017, 05:02 PM
Flandy10 Flandy10 is offline
 
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Gil,

Are you using the Andair extension?

It does have two universal joints that may allow you to move the actual valve location forward without moving the handle.
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  #10  
Old 12-05-2017, 05:32 PM
BobTurner BobTurner is offline
 
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Quote:
Originally Posted by rvdave View Post
I must have an earlier kit with a higher bracket, why the change?
Change was made around spring 2008. It simplifies the routing of the rear seat hot air SCAT. At the same time the fuel line routing was simplified. It came with a extension for the valve shaft, and a much nicer handle with a pull-up-to-unlock feature. Even I - who self-admits to having no aestetic tastes - thought the original handle did not look like it belonged in an airplane.
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