Today's Message Index:
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0. 12:20 AM - Coming Soon - The List of Contributors - Please Make A Contribution Today! (Matt Dralle)
1. 05:40 AM - Re: Hard Landing (Warren Brecheisen)
2. 06:19 AM - Re: Hard Landing (Dan Bergeron)
3. 08:44 AM - Re: Hard Landing (FLYaDIVE)
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| Subject: | Coming Soon - The List of Contributors - Please Make A Contribution |
Today!
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Message 1
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George,
I've made a lot of bouncy landings in my -6, along with a few fairly hard
landings, with no damage to anything but my ego. I always carefully check
the landing gear and engine mount gear socket area for cracks, etc. during
annual. So far I've found no damage or cracks. Since it's hard to judge
just how bad your landing was, I agree with the other comments that you
should inspect it. A couple of hours of inspection would make you feel much
more comfortable.
Warren
Message 2
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| Subject: | Re: Hard Landing |
George
>From what i'm reading you're getting some good advice - spend a few hours -
go over the plane carefully - inspect the obvious stuff especially
carefully - landing gear legs - landing gear attach/mounting structures -
the structures to which the landing gear mounting sockets are attached -
look for cracks - buckled metal - bends where there shouldn't be bends -
bent longerons - popped rivets - if you don't find a thing and you're still
nervous about it - ask an a&p to look it over - might cost you a few $ but
your peace of mind would be worth it - good luck - hope you're back in the
air soon
Cheers,
Dan Bergeron
RV-7A - N307TB
366 hours since first flight
on 8/6/09
On Mon, Nov 5, 2012 at 8:37 AM, Warren Brecheisen <n146wb@cfu.net> wrote:
>
> George,
>
> I've made a lot of bouncy landings in my -6, along with a few fairly hard
> landings, with no damage to anything but my ego. I always carefully check
> the landing gear and engine mount gear socket area for cracks, etc. during
> annual. So far I've found no damage or cracks. Since it's hard to judge
> just how bad your landing was, I agree with the other comments that you
> should inspect it. A couple of hours of inspection would make you feel
> much
> more comfortable.
>
> Warren
>
>
Message 3
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| Subject: | Re: Hard Landing |
George:
A friend of mine with an RV6 had a similar situation. It took a year or
two to show up but the problem did dhow up and he was many states away from
home. His Left Gear totally collapsed. The brake was right at the web
welding where the gear attached to the engine mount. After inspecting the
area it was determined that the engine mount/gear weld should have been
reinforced with webbing. I have posted this a couple of time on different
groups but have not heard of anyone making the simple mod.
Things to consider:
1 - The gear is very flexible
2 - It is a Whitman Tail Wind Gear and they are know to be very flexible.
On the Tailwind there is a mod of adding a shock absorbor. This would work
on an RV but would be totally ugly and draggy.
3 - The gear does not fail - It is the Mounting tube to the engine mount
that fails.
4 - There have been quite a few mods to the gear itself to make them
stiffer - Fiberglass Wood, a combo of fiberglass & wood.
>From my welding, metallurgical experience as a QA Engineer and a Test
Engineer this would be the easiest and most favorable solution. After the
welding it would also help to stiffen the gear a bit.
Barry
On Sun, Nov 4, 2012 at 3:44 PM, George Nielsen <genie@swissmail.org> wrote:
>
> Some time ago I had a bad day and made a hard landing with my RV-6. In
> attempting a three-pointer I stalled a bit high above the concrete runway.
> The aircraft fell on the runway, albeit without any apparent damage. Since
> then I have not flown as I have been undertaking modifications.
>
> I wonder whether it is safe to take to the air. What unseen damages could
> have occurred? How can I check them? What could the consequences be (if
> any)? What may fail first, the wheel struts, the main spar or what?
>
> Thanks.
>
> George Nielsen
> RV-6 PH-XGN
> The Hague, the Netherlands
>
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