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Mike Whisky
Joined: 05 Jun 2006 Posts: 336 Location: Switzerland
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Posted: Wed Jan 10, 2007 1:55 pm Post subject: Fuel level sender installation on QB Wings |
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Hello,
for those who chose QB wings do you know a "sophisticated" way to proberly ajust the fuel level sender in the tank.
I feel like I would need to bend the lever by chance in a direction and try if it clears the vent line. I use the multimeter to measure the travel but I canĀ“t see what stops it to go all the way up.
Thanks
Michael
www.wellenzohn.net
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_________________ RV-10 builder (flying)
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john_rv10(at)yahoo.com Guest
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Posted: Wed Jan 10, 2007 11:57 pm Post subject: Fuel level sender installation on QB Wings |
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Michael,
We have just done that step. One side required no adjustment but the other needed to have the float offset about half an inch.
Here's what we eventually did that worked well for us on the one we had to adjust:-
<![if !supportLists]>· <![endif]>Mark on the skin where the rib is
<![if !supportLists]>· <![endif]>Remove the sender and hold it parallel with the tank face and in line with the hole. Have the float resting on the skin outside the hole.
<![if !supportLists]>· <![endif]>Note how far it has to be moved to fit between the rib and the breather tube
<![if !supportLists]>· <![endif]>Hold the float wire in a vice between two pieces of wood and bend a ‘dog leg’ into the relevant straight piece to move the float sideways as much as you need and keep it parallel to where it originally was
<![if !supportLists]>· <![endif]>Make sure the original right angle bends are retained at right angles otherwise the float will not move in the one plane
I hope this is of some use,
John
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Mike Whisky
Joined: 05 Jun 2006 Posts: 336 Location: Switzerland
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Posted: Thu Jan 11, 2007 12:23 am Post subject: Re: Fuel level sender installation on QB Wings |
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Hello John,
thank you for your help. I'll try this tonight!
Michael
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_________________ RV-10 builder (flying)
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jfrjr(at)adelphia.net Guest
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Posted: Thu Jan 11, 2007 2:21 pm Post subject: Fuel level sender installation on QB Wings |
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Michael: I adjusted, readjusted, adjusted, readjusted, etc. and could never
get good clearance---even had a old gastrocopy scope from work that gave me
a very good picture of what was happening. Ended up rotating the float 90
degrees to get better clearance. Checked this with Van's and they said "no
problem". Of course, I am only on the fuse now so it hasn't been "flight
tested". Jay Rowe 40301
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ddddsp1(at)juno.com Guest
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Posted: Fri Jan 12, 2007 12:02 am Post subject: Fuel level sender installation on QB Wings |
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Jay,
If you search the archives on this topic you will find several suggestions. Larry Rosen tipped me off on how to get them set up. I did what you did...........turn the float 90 degrees. Used an OHM meter to verify I had complete travel on both senders..
Dean 40449
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[quote][b]
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Mike Whisky
Joined: 05 Jun 2006 Posts: 336 Location: Switzerland
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Posted: Fri Jan 12, 2007 12:43 am Post subject: Re: Fuel level sender installation on QB Wings |
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Guys, just to make sure I got that right. You are actually turning the float that way that the circle surface points up, correct?
Cheers
Michael
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jfrjr(at)adelphia.net Guest
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Posted: Fri Jan 12, 2007 4:49 am Post subject: Fuel level sender installation on QB Wings |
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Michael: That's correct. The float is postioned such that it's longest
dimension is now vertical. It gives you a little more than a half inch
clearance on each side of the float. You don't get quite as much "throw" on
the lever arm as you would if the float was horizontally postioned but I
plan to take that into consideration when I calibrate the fuel gauges. I
wish I had taken some pictures but I don't have that capability on my
gastroscope. Jay
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Mike Whisky
Joined: 05 Jun 2006 Posts: 336 Location: Switzerland
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Posted: Fri Jan 12, 2007 4:54 am Post subject: Re: Fuel level sender installation on QB Wings |
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Thanks Jay,
I'll see how it works.
Michael
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jeff(at)westcottpress.com Guest
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Posted: Fri Jan 12, 2007 6:51 am Post subject: Fuel level sender installation on QB Wings |
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For what it's worth, Vans is working on Capacitance Senders for the
10... although last I checked they didn't have a ready date. I've
left the baffles off the tanks for now and moved on. Plenty to do
before I have to close them up.
Jeff Carpenter
40304
Fuse Inventory Complete
On Jan 11, 2007, at 2:20 PM, Jay Rowe wrote:
[quote]
Michael: I adjusted, readjusted, adjusted, readjusted, etc. and
could never get good clearance---even had a old gastrocopy scope
from work that gave me a very good picture of what was happening.
Ended up rotating the float 90 degrees to get better clearance.
Checked this with Van's and they said "no problem". Of course, I
am only on the fuse now so it hasn't been "flight tested". Jay
Rowe 40301
---
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