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stepinwolf
Joined: 21 Jan 2008
Posts: 133
Location: Canada
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 Posted: Thu Feb 26, 2009 10:05 am Post subject: Long wing |
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Good day John, and Larry,
Here is what I would like to ad to the discussion
I had looked into the weight issue a little while back, and was just able to find the manufacturing specs that were given me when I made the purchase.
The 4x12 sheet of 6061 in .016, weighs in at a total of 10.83 lbs/per sheet
The 4x12 sheet of 6061 in .020, weighs in at a total of 13.55 lbs/per sheet
The difference being 2.72 lbs per sheet. Most BOM's specify that a total of between 12 to 13 sheets of .016 are used ( not wasted ) in the complete build of the 701. Using these figures, I should end up with an additional weight of 35.36 lbs .
Personally I don't think that it is a large penalty to pay for an approximate increase in strength of 25% over the total airframe. Add to the fact that it's use will most certainly all but eliminate the oil canning that is normally seen, not to mention the creases that can be observed during flight on the main wing sections, with the factory airplane.
I just feel that for myself, the extra 35 lbs is something I can live with. Something else I had not originally consider is the wing loading, which even with the additional weight, will be much less then a factory built 701, by using my extended wings.
They say variety is the spice of life.  )
regards
Robert
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Long wing + vga's, = lo & slo |
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ggower_99(at)yahoo.com
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| Posted: Thu Feb 26, 2009 5:01 pm Post subject: Long wing |
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Is better to carry 35 lbs of gasoline than in aluminum, also the oil canning is the best "instructor" you can hire, to teach you to keep the ball centered 
Saludos
Gary Gower.
701 912S 235 hrs
almost no oil canning... recently
--- On Thu, 2/26/09, Robert Pelland <robert.pelland(at)cgocable.ca> wrote:
[quote]From: Robert Pelland <robert.pelland(at)cgocable.ca>
Subject: Re: Re: Long wing
To: zenith701801-list(at)matronics.com
Date: Thursday, February 26, 2009, 1:02 PM
Good day John, and Larry,
Here is what I would like to ad to the discussion
I had looked into the weight issue a little while back, and was just able to find the manufacturing specs that were given me when I made the purchase.
The 4x12 sheet of 6061 in .016, weighs in at a total of 10.83 lbs/per sheet
The 4x12 sheet of 6061 in .020, weighs in at a total of 13.55 lbs/per sheet
The difference being 2.72 lbs per sheet. Most BOM's specify that a total of between 12 to 13 sheets of .016 are used ( not wasted ) in the complete build of the 701. Using these figures, I should end up with an additional weight of 35.36 lbs .
Personally I don't think that it is a large penalty to pay for an approximate increase in strength of 25% over the total airframe. Add to the fact that it's use will most certainly all but eliminate the oil canning that is normally seen, not to mention the creases that can be observed during flight on the main wing sections, with the factory airplane.
I just feel that for myself, the extra 35 lbs is something I can live with. Something else I had not originally consider is the wing loading, which even with the additional weight, will be much less then a factory built 701, by using my extended wings.
They say variety is the spice of life. )
regards
Robert
[quote] ---
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stepinwolf
Joined: 21 Jan 2008
Posts: 133
Location: Canada
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| Posted: Thu Feb 26, 2009 5:58 pm Post subject: Long wing |
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Gary,
I'm glad to see I would be able to carry an additional 35 lbs ( 6.03 gallons ) of gasoline. However, once my tanks are full, and I'm still a few hundred pounds below gross weight, where would I put it. ?
As I mentioned previously Gary, variety is the spice of life.
regards
Robert Pelland
P.S. After more then two hundred hours in the pilots seat, I have long ago figured out, how to keep the ball centered, so I don't have to sit in a tin can listening to it rattle, to realize my turns are not coordinated.
Fly safe amigo )
[quote] ---
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Long wing + vga's, = lo & slo |
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