Today's Message Index:
----------------------
1. 06:36 AM - Re: MkIII Xtra V speeds (Thom Riddle)
2. 06:58 AM - Re: Re: MkIII Xtra V speeds (Mike Welch)
3. 08:37 AM - Re: Kolb-List Digest: 5 Msgs - 01/19/11 (Bob Green)
4. 11:14 AM - Re: Re: Kolb-List Digest: 5 Msgs - 01/19/11 (Richard Girard)
5. 11:38 AM - MkIIIX V speeds (Mike Welch)
6. 02:21 PM - Re: Monument Valley 2011 (John Hauck)
Message 1
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| Subject: | Re: MkIII Xtra V speeds |
Mike,
Using Pat's numbers you can come up with pretty accurate stall speed estimates
at different flying weights by using the fact that a change in stall speed varies
with the square root of the change in weight.
Baseline
Flying weight of 943 lbs
Stall speeds 35 and 30
Examples:
If flying 10% heavier, 1.1 x 943 = 1,037 lbs...
Stall speeds should be 1.1^.5 = 1.049 ==>> 36.7 and 31.5
If flying 15% lighter, .85 x 943 = 802 lbs...
Stall speeds should be .85^.5 = .922 ==>> 32.3 and 27.7
Vfe and Vne don't vary with flying weight.
--------
Thom Riddle
Buffalo, NY (9G0)
Kolb Slingshot SS-021
Jabiru 2200A #1574
Tennessee Prop 64x32
Don't accept your dog's admiration as conclusive evidence that you are wonderful.
Ann Landers
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=327656#327656
Message 2
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| Subject: | Re: MkIII Xtra V speeds |
> Mike=2C
>
> Using Pat's numbers you can come up with pretty accurate stall speed esti
mates at different flying weights by using the fact that a change in stall
speed varies with the square root of the change in weight.
> Thom Riddle
Thanks Thom!!
You are correct=2C and I hadn't taken that into account=2C yet. Also=2C
thanks to
Pat for the V speed numbers. They do coincide with what I was expecting.
Mike Welch
Message 3
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| Subject: | RE: Kolb-List Digest: 5 Msgs - 01/19/11 |
The FAA put out a bulletin stating that all small aircraft should have a Manuvering
speed recorded in the plane's information manuel???
Anyone have any (manuvering airspeed thoughts) input for the MarkIIIX with 100
hp engine?
Thanks,
Bob Green
MKIIIX project, N830PB
GPAS VW Conversion
________________________________________
Time: 07:39:05 AM PST US
From: Mike Welch <mdnanwelch7@hotmail.com>
Subject: Kolb-List: MkIII Xtra V speeds
Kolb guys=2C and especially Travis=2C
I am in the process of rounding up information for my
Operator Limitations manual for my plane. Could I get a few
of you Xtra owners to post your "V" speeds below in the list I
have provided.
Also=2C Travis=2C would you be kind enough to post the factory
recommended speeds for these catagories=2C please?
1) Vso--(stall speed=2C or min. flight speed in 'landing' configuration {fl
aps down})_________________
2) Vs--(min. controllable airspeed in steady state flight {flaps up}_______
_____________
3) Vfe--(maximun 'flap extended' stall speed)______________________________
______
4) Vno--(max speed for 'normal' operations)________________________________
_
5) Vne--(never exceed speed)_____________________________________________
The Kolb factory states that the MkIII Xtra has a 35 mph stall speed=2C a
nd 26 mph
stall speed with flaps extended. Is this pretty close to what you Xtra own
ers are
experiencing?
You response is appeciated. Thanks!!!
Mike Welch
MkIII
Message 4
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| Subject: | Re: RE: Kolb-List Digest: 5 Msgs - 01/19/11 |
Bob, Mine's a IIIC, but I use 60 as Va. That puts me in the white arc so I
can drop the flaps a notch if I want to slow down any more.
Rick Girard
On Thu, Jan 20, 2011 at 10:23 AM, Bob Green <bgreen@bimi.org> wrote:
>
> The FAA put out a bulletin stating that all small aircraft should have a
> Manuvering speed recorded in the plane's information manuel???
> Anyone have any (manuvering airspeed thoughts) input for the MarkIIIX with
> 100 hp engine?
>
> Thanks,
> Bob Green
> MKIIIX project, N830PB
> GPAS VW Conversion
>
>
> ________________________________________
> Time: 07:39:05 AM PST US
> From: Mike Welch <mdnanwelch7@hotmail.com>
> Subject: Kolb-List: MkIII Xtra V speeds
>
>
> Kolb guys=2C and especially Travis=2C
>
> I am in the process of rounding up information for my
> Operator Limitations manual for my plane. Could I get a few
> of you Xtra owners to post your "V" speeds below in the list I
> have provided.
>
> Also=2C Travis=2C would you be kind enough to post the factory
> recommended speeds for these catagories=2C please?
>
> 1) Vso--(stall speed=2C or min. flight speed in 'landing' configuration {fl
> aps down})_________________
> 2) Vs--(min. controllable airspeed in steady state flight {flaps up}_______
> _____________
> 3) Vfe--(maximun 'flap extended' stall speed)______________________________
> ______
> 4) Vno--(max speed for 'normal' operations)________________________________
> _
> 5) Vne--(never exceed speed)_____________________________________________
>
> The Kolb factory states that the MkIII Xtra has a 35 mph stall speed=2C a
> nd 26 mph
> stall speed with flaps extended. Is this pretty close to what you Xtra own
> ers are
> experiencing?
>
> You response is appeciated. Thanks!!!
>
> Mike Welch
> MkIII
>
>
--
Zulu Delta
Kolb Mk IIIC
582 Gray head
4.00 C gearbox
3 blade WD
Thanks, Homer GBYM
It is not bigotry to be certain we are right; but it is bigotry to be unable
to imagine how we might possibly have gone wrong.
- G.K. Chesterton
Message 5
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>Bob=2C Mine's a IIIC=2C but I use 60 as Va. That puts me in the white arc
so I can drop the flaps a notch if I want to slow down any more.
>Rick Girard
Rick=2C
60 mph is what I was thinking=2C too=2C for the maneuvering speed. I'll
add that to
my growing list of 'V' speeds to go into my Operator/Aircraft Limitation Ma
nual.
Thanks=2C
Mike Welch
Message 6
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| Subject: | Re: Monument Valley 2011 |
Anyone interested in Monument Valley 2011?
Looking at the calendar, 19-22 May 2011 (Thu thru Sun), looks like our
normal time frame to have the 2011 Kolb Unplanned/Unorganized Monument
Valley Flyin.
john h
++++++++++++++++++++++++++++++
Hi Kolbers:
Since I sent the above post to the Kolb List yesterday, I have decided not
to try and fly to Monument Valley this year.
For those of us that fly in, there is a lot of walking and standing around
involved in camping and living during the event. After getting entirely
honest with myself, I do not think I am going to be capable of having fun
and enjoy camping and walking around the area for four days. Being entirely
dependent on hitching rides, calling the shuttle van, etc., would take away
a lot of the fun of attending the flyin. I will not know for sure if I can
be comfortable camping until I fly to Sun and Fun 30 Mar. If I discover I
can not be comfortable and enjoy the show, I can get back in the mkIII and
be home the same day.
I have flown to every MV flyin since the original in 2003, through 2008.
Last year I missed because of my accident. Those that did make last year's
flyin said I was a lot more comfortable in the Rehab Hospital than I would
have been trying to camp at Gouldings. I think I would have rather eaten
and slept in sand. Last year we had zero Kolb aircraft show for the flyin.
By all means, do not cancel the MV Flyin. If you have a couple Kolbs in
attendance, you can have a lot of fun. I will miss it, as I miss many of
those regular attendees, and close friends that are no longer with us.
john h
mkIII
Titus, Alabama
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