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RV-List: Tail lifting during full power static test

 
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amecum(at)comcast.net
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PostPosted: Wed Aug 16, 2006 7:50 pm    Post subject: RV-List: Tail lifting during full power static test Reply with quote

Oh yes it will and it will do it fast!


From: owner-rocket-list-server(at)matronics.com [mailto:owner-rocket-list-server(at)matronics.com] On Behalf Of JOHN STARN
Sent: Wednesday, August 16, 2006 8:43 PM
To: rv-list(at)matronics.com
Subject: RV-List: Tail lifting during full power static test


Don't look now BUT Gummibear & I (and others) have been YELLING "Tie it down" & have someone (without glasses) hold the tail down for at least the past five years. Maybe we need to have re-runs of very important safety issues every 3 to 6 months. While on the subject: Do Not stomp on the brakes of ANY RV- conventional geared airplane at slow speed (walking/taxi speed). They WILL, not might, they WILL put their nose on the tarmac quicker than you can react. KABONG Do Not Archive it's already in there several times.
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Subject: RV-List: Tail lifting during full power static test



Listers--We are close to flying our RV-6. On the airworthiness certificate application it requires the builder to state that "the powerplant installation has undergone at least one hour of ground operation at various speeds from idle to full power. . . ." Yesterday during the first full power static test holding brakes and with the stick full aft the tail came up on me. Because I was approaching full power gradually (being nervous about just this sort of possibility) I was able to quickly close the throttle before the prop hit the ground.



LeRoy Johnston in Ohio.
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[quote][b]


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fbaldwin(at)nothnbut.net
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PostPosted: Wed Aug 16, 2006 10:37 pm    Post subject: RV-List: Tail lifting during full power static test Reply with quote

Regarding the statement "application requires one hour of ground time..." is new to this DAR.

Look at the sample FAA Form 8130-6 in Advisory Circular 20-27, it shows ZERO time on the application.

I hope this helps to eliminate some unsafe procedures. Frank

---


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smokyray(at)yahoo.com
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PostPosted: Thu Aug 17, 2006 2:39 am    Post subject: RV-List: Tail lifting during full power static test Reply with quote

My Dad's motto "it ain't done flying till you tie it down" still holds true...(I can hardly wait till we hear about the test flight...)

Rob Ray

Frank Baldwin <fbaldwin(at)nothnbut.net> wrote:
[quote] v\:* { BEHAVIOR: url(#default#VML) } o\:* { BEHAVIOR: url(#default#VML) } w\:* { BEHAVIOR: url(#default#VML) } .shape { BEHAVIOR: url(#default#VML) } <?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /> st1\:*{behavior:url(#default#ieooui) } Regarding the statement "application requires one hour of ground time..." is new to this DAR.

Look at the sample FAA Form 8130-6 in Advisory Circular 20-27, it shows ZERO time on the application.

I hope this helps to eliminate some unsafe procedures. Frank

---


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swaneymj(at)mac.com
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PostPosted: Thu Aug 17, 2006 10:57 am    Post subject: RV-List: Tail lifting during full power static test Reply with quote

Kabong,
Your descriptions are always classic. Thanks for the lessons learned
and keeping us newbies on track. I might actually finish my Rocket one
of these days, and I'll be sure to tie down the tail. I'll check to
see if you're available for the ballast : -)
Mark Swaney
F-1 Rocket #31 (N76TR)
swaneymj(at)mac.com

Do not archive.

On Aug 17, 2006, at 11:00 AM, JOHN STARN wrote:

[quote] During the first runup tests & subsequent "conditional inspection"
ground run ups we anchor it down & I drape my 230# self over the tail
of HRII N561FS so that Tom is not setting in a pogo stick. IF you
don't remove your eyeglasses, not to worry, the prop blast with do it
for you. As for end of the runway runups we DO NOT cycle the prop as
part of pre-flight. N561FS has more than enough umph to get rolling &
take off even if the prop is in cruise. Tom kinda likes the extra kick
in the pants during the take off roll (Kinda like the AB on an F-4)
when he cycles up the prop during the roll.
Runup the engine, cycle the prop with brakes locked = Varooom, big
bite of air, ding, ding, thud....followed by a long silence...KABONG
Do Not Archive.
> ---


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