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zodierocket(at)hsfx.ca
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naumuk(at)alltel.net
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 Posted: Sat May 12, 2007 4:43 pm Post subject: 601 load tests |
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Mark-
Why did you bother painting the plane?
Incidentally, out of curiosity I searched the NTSB archives for the HD/HDS back to 1980. Only 2 reported accidents, neither of which was structurally related.
Bill Naumuk
HDS Fuse/Corvair
Townville, Pa
[quote] ---
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ashontz
Joined: 27 Dec 2006
Posts: 723
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| Posted: Mon May 14, 2007 10:10 am Post subject: Re: 601 load tests |
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The wings picture for the XL looks like no more than 1,000 lbs on each wing, what's that 1.6 G?
The 601HD has quite a bit of weight on it by comparison. There's so many sandbags on it you can't even see the wing. The XL though looks like some soccer mom of 2 left her saturday groceries on it.
[quote="zodierocket(at)hsfx.ca"]http://www.zenithair.com/zodiac/6-photo-testing.html
To All please visit this link to see pictures of the 601?s load tests. We do not need to destroy another plane in testing as one already has been done.
Mark Townsend Alma, Ontario
Zodiac 601XL C-GOXL, CH701 just started
www.ch601.org / www.ch701.com/ www.Osprey2.com
7:34 PM
7:34 PM
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steveadams
Joined: 10 Jan 2006
Posts: 191
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| Posted: Mon May 14, 2007 11:28 am Post subject: Re: 601 load tests |
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The HD test was done with sandbags, the XL tests were done with bags of lead shot to make it easier to distribute the weight more accurately. Admittedly, it doesn't look as impressive.
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ashontz
Joined: 27 Dec 2006
Posts: 723
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| Posted: Mon May 14, 2007 11:30 am Post subject: Re: 601 load tests |
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Ok, I'll buy that as far as how heavy those bags are. Nice if they mentioned that there. I don't remember seeing it stated.
Actually, seems to me sand would be a better distribution.
Actually, if they could seal up the wings airtight and tow the plane uder water, that would be an excellent distribution. The bouyancy of those wings wings is probably about 4,500 lbs total or so.
| steveadams wrote: | | The HD test was done with sandbags, the XL tests were done with bags of lead shot to make it easier to distribute the weight more accurately. Admittedly, it doesn't look as impressive. |
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Kurt.Schumacher(at)schumi
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| Posted: Mon May 14, 2007 12:08 pm Post subject: 601 load tests |
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| Quote: | The wings picture looks like no more than 1,000 lbs on each wing, what's
that 1.6 G?
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Led shot. No doubt, these are certified bags with led shot as common in
small and medium aircraft load testing. Most substitutes as used by amateurs
have much more volume, and therefore cannot properly load at the right
locations.
The picture you are referencing must be
http://www.zenithair.com/zodiac/pic06/601structure-wings.jpg - indeed, this
does not look like a full load representing + 6 Gs (ultimate - remember: 3
seconds in the complete airframe lifetime) respective + 4 G (limit load).
Nobody said that. Pictures, just pictures of any load status in the test.
This picture series looks like randomly selected pictures from the load
test. Probably there are too many CZAW engineers and employees visible on
the other views.
If anybody from the Zenith Aircraft Company or Zenair Ltd. in Canada is
listening - or a good friend forwarding this to the CH family - please
ensure your specifications, on the Web, in the manuals and similar are
clarified. There will be people that will try to fly +/- 6 Gs, respective
+6/-4 Gs with your aircrafts. In addition, if they do not make it, a bunch
of people will continue or restart overstressing the list reader nerves with
repeated, unqualified information.
Regards,
-Kurt.
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zodierocket(at)hsfx.ca
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| Posted: Mon May 14, 2007 6:01 pm Post subject: 601 load tests |
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The 601XL is available in many countries and several of those countries
have had to have their gov reps witness and attest to the strength of a
601 with load tests. The XL has been tested several times, not just once
and the other countries have far more stringent rules then the U.S. does
and yet it has passed in all those other countries. IT will be tested
again in North America to ensure your piece of mind.
Mark Townsend
Can-Zac Aviation Ltd.
president(at)can-zacaviation.com
www.can-zacaviation.com
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PatrickW
Joined: 27 Oct 2006
Posts: 380
Location: Fort Worth, Texas
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| Posted: Tue May 15, 2007 11:19 am Post subject: Re: 601 load tests |
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Hey guys - for what it's worth, these recent discussions sound a lot like what went on on one of the RV forums a while back.
Here's a thread from an RV site discussing the losses of two RV's. One was an early RV-3, and the other was the RV-8 demo plane which was lost due to wings folding:
http://www.vansairforce.com/community/showthread.php?t=10593&page=1&pp=10
Here is a Service Bulletin on the RV-3 wing failures:
http://vansaircraft.com/pdf/sb96-03-1.pdf
Patrick
601XL/Corvair
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