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caflygirl
Joined: 01 Sep 2011
Posts: 8
Location: Livermore, CA
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 Posted: Sat Oct 29, 2011 9:57 am Post subject: the aft cg club... |
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I once saw someone try to do a weight and balance with the tail on the ground. Talk about a rear cg with a pusher!
Renee
Bas spellong blaned on ophone 
On Oct 29, 2011, at 10:13 AM, "b young" <byoungplumbing(at)gmail.com> wrote:
| Quote: |
Trouble with an aft CG is, as I think you know, the chance of getting into a
flat spin & not being able to recover.
Russ K
Ever heard of a Kolb getting into a flat spin?
john h
mkIII
Titus, Alabama
>>>>>>>>>>>>>> ..
i fly near the rear cg limit, and have put the mkiii into a spin on purpose,,,, i did not have to push opposite rudder to get out,,,, only release the back and rudder pressure that i had done to induse the spin. it came out of the spin almost instantly. i am not worried.
boyd
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rickofudall
Joined: 19 Sep 2009
Posts: 1392
Location: Udall, KS, USA
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| Posted: Sat Oct 29, 2011 4:58 pm Post subject: the aft cg club... |
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This is where this discussion really needs to distinguish between being within the acceptable CG range, but being aft of the desired "perfect" 25% MAC, and being outside the range, i.e. aft of the CG envelope.
Rick Girard
On Sat, Oct 29, 2011 at 12:54 PM, Renee <ulflygirl(at)mysky.us (ulflygirl(at)mysky.us)> wrote:
| Quote: | --> Kolb-List message posted by: Renee <ulflygirl(at)mysky.us (ulflygirl(at)mysky.us)>
I once saw someone try to do a weight and balance with the tail on the ground. Talk about a rear cg with a pusher!
Renee
Bas spellong blaned on ophone
On Oct 29, 2011, at 10:13 AM, "b young" <byoungplumbing(at)gmail.com (byoungplumbing(at)gmail.com)> wrote:
> --> Kolb-List message posted by: "b young" <byoungplumbing(at)gmail.com (byoungplumbing(at)gmail.com)>
>
>
> Trouble with an aft CG is, as I think you know, the chance of getting into a
> flat spin & not being able to recover.
> Russ K
>
>
> Ever heard of a Kolb getting into a flat spin?
>
> john h
> mkIII
> Titus, Alabama
>
>>>>>>>>>>>>>>> ..
>
> i fly near the rear cg limit, and have put the mkiii into a spin on purpose,,,, i did not have to push opposite rudder to get out,,,, only release the back and rudder pressure that i had done to induse the spin. it came out of the spin almost instantly. i am not worried.
>
> boyd
>
>
>
>
>
>
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Zulu Delta
Mk IIIC
Thanks, Homer GBYM
It isn't necessary to have relatives in Kansas City in order to be unhappy.
- Groucho Marx
[quote][b]
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zeprep251(at)aol.com
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| Posted: Sun Oct 30, 2011 7:26 am Post subject: the aft cg club... |
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Don't want to start a screaming contest about this topic,but humor me a second here.
I truly believe that I can feel the difference in stability, longitudinally,when it's not aft a bunch.When it's aft and it's turbulent, the MK3 feels like it's riding over a boat's wake,with a little pitch up then back to flat again with each bump.When it's more forward,the bump is still there but the pitch up isn't.Anyone else feel this or do I need a check-up from the neck up? G.Aman MK3 C Jabiru 2200a
--
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neilsenrm(at)gmail.com
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| Posted: Sun Oct 30, 2011 8:11 am Post subject: the aft cg club... |
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Gary
I once clamped a weight to the tail wheel strut to fix a up elevator issue I had when I had my redrive VW mounted on top of the rotax mount. It was a big mistake. On my first trip to Oshkosh I encountered HEAVY turbulence. The plane was almost uncontrollable. After removing the weight it was a pussy cat again. The real fix is the low VW mount that Kolb has adopted.
No check-up required you are spot on.
Rick Neilsen
Redrive VW Powered MKIIIC
On Sun, Oct 30, 2011 at 11:23 AM, Gary Aman <zeprep251(at)aol.com (zeprep251(at)aol.com)> wrote:
[quote]Don't want to start a screaming contest about this topic,but humor me a second here.
I truly believe that I can feel the difference in stability, longitudinally,when it's not aft a bunch.When it's aft and it's turbulent, the MK3 feels like it's riding over a boat's wake,with a little pitch up then back to flat again with each bump.When it's more forward,the bump is still there but the pitch up isn't.Anyone else feel this or do I need a check-up from the neck up? G.Aman MK3 C Jabiru 2200a
--
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