Today's Message Index:
----------------------
1. 04:54 AM - Re: Re: Kolbra flight on Saturday (videos) (Kolb Aircraft)
2. 05:43 AM - Re: Kolbra flight on Saturday (videos) (Thom Riddle)
3. 06:38 AM - Re: Kolbra flight on Saturday (videos) (Ralph B)
4. 06:47 AM - Re: Kolbra flight on Saturday (videos) (Thom Riddle)
5. 06:55 AM - Re: Kolbra flight on Saturday (videos) (Ralph B)
6. 07:01 AM - Re: Re: Kolbra flight on Saturday (videos) (John Hauck)
7. 10:49 AM - FSII wing, tail, BRS for sale (Richard Pike)
8. 12:06 PM - Re: if they really knew about Kolbs (Ellery Batchelder Jr)
9. 05:10 PM - Re: Kolbra flight on Saturday (videos) (Ralph B)
10. 05:21 PM - Re: Re: Kolbra flight on Saturday (videos) (John Hauck)
Message 1
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Subject: | Re: Kolbra flight on Saturday (videos) |
Ralph
You are right on that.
Mark did a flawless job on the build of your machine.
I sure would like to have your Kolbra in our Booth in Oshkosh this year.
The Kolbra is a nice design with lots of room in the rear.
Travis
Kolb CO
----- Original Message -----
From: "Ralph B" <rstar447@gmail.com>
Sent: Sunday, March 06, 2011 10:24 PM
Subject: Kolb-List: Re: Kolbra flight on Saturday (videos)
>
> kolbaircraft
>> Ralph
>> These are great videos. The Audio is the best quality I have ever heard.
>> Thanks for posting. Man the Kolbra is one good machine.
>>
>> Travis
>> Kolb CO.
>
>
> Travis,
> I have to give credit to Mark German for such a great job building the
> Kolbra. I enjoy flying it along with my Firestar that I built over 24
> years ago and still flying.
>
> Ralph
>
> --------
> Ralph B
> Original Firestar 447
> N91493 E-AB
> 1000 hours
> 24 years flying it
> Kolbra 912UL
> N20386
> 3 years flying it
> 150 hrs
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=333001#333001
>
>
>
Message 2
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Subject: | Re: Kolbra flight on Saturday (videos) |
Ralph,
Nice videos indeed! Thanks for posting. Again, your audio quality is outstanding.
I noticed in the first video you were cruising at 90 mph IAS but did not see what
RPM the 912 was turning. What RPM gives you that IAS, and is your IAS fairly
accurate?
FWIW:
I cruise most of the time in my Slingshot at 85 mph IAS (which equals TAS at about
2000' density altitude) to keep the noise down to a tolerable level. That
is at about 2750 rpm on the Jab 2200 (3300 rpm is redline). 2750 rpm direct drive
with 64" prop gives about 600 mph tip speed, which is noisy enough.
--------
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=333029#333029
Message 3
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Subject: | Re: Kolbra flight on Saturday (videos) |
Thom Riddle
> Ralph,
>
> Nice videos indeed! Thanks for posting. Again, your audio quality is outstanding.
>
> I noticed in the first video you were cruising at 90 mph IAS but did not see
what RPM the 912 was turning. What RPM gives you that IAS, and is your IAS fairly
accurate?
>
> FWIW:
> I cruise most of the time in my Slingshot at 85 mph IAS (which equals TAS at
about 2000' density altitude) to keep the noise down to a tolerable level. That
is at about 2750 rpm on the Jab 2200 (3300 rpm is redline). 2750 rpm direct
drive with 64" prop gives about 600 mph tip speed, which is noisy enough.
Good catch Thom. When I posted a view of the panel, questions arise. After I bought
the Kolbra, I thought the ASI read a little high and found it actually read
10mph higher than it should. I got used to flying it that way and never tried
to recalibrate it. The cruise is actually 80mph and not 90mph as it indicated.
I wish it was 90mph. If I installed a 100hp 912, maybe it would approach that
speed. I will have to look over John Williamson's Kolbra specs as he did have
the 100hp 912 and our planes were identical in function.
Ralph
--------
Ralph B
Original Firestar 447
N91493 E-AB
1000 hours
24 years flying it
Kolbra 912UL
N20386
3 years flying it
150 hrs
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=333038#333038
Message 4
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Subject: | Re: Kolbra flight on Saturday (videos) |
Ralph,
Thanks for the clarification.
do not archive
--------
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=333041#333041
Message 5
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Subject: | Re: Kolbra flight on Saturday (videos) |
kolbaircraft
> Ralph
> You are right on that.
> Mark did a flawless job on the build of your machine.
> I sure would like to have your Kolbra in our Booth in Oshkosh this year.
> The Kolbra is a nice design with lots of room in the rear.
>
> Travis
> Kolb CO
>
> ---
I would be delighted Travis!
Let me get back to you on that ...
do not archive
Ralph
--------
Ralph B
Original Firestar 447
N91493 E-AB
1000 hours
24 years flying it
Kolbra 912UL
N20386
3 years flying it
150 hrs
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=333045#333045
Message 6
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Subject: | Re: Kolbra flight on Saturday (videos) |
If I installed a 100hp 912, maybe it would approach that speed. I will
have to look over John Williamson's Kolbra specs as he did have the 100hp
912 and our planes were identical in function.
Ralph B
Ralph B:
John W's Kolbra cruised at 80 kts (92 mph).
Max speed was 90 kts (104 mph).
When we flew cross country together, John W would have to slow down to my
cruise speed of 70 - 75 kts (80 - 85 mph).
Generally, John W was 10 mph faster than me across the board.
When he was flying with the Jabiru, our cruise speeds were the same, but
there was no comparison between take off and climb performance. Don't
remember what prop John W used with the Jabiru, but he flew with a 68" three
blade fast taper Warp Drive on the 912ULS.
john h
mkIII
Titus, Alabama
Message 7
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Subject: | FSII wing, tail, BRS for sale |
Time to clean out the hangar, got a left wing in repairable condition, a set of
horizontal stab and elevators already covered, in excellent shape. Have a vertical
fin and rudder that can be repaired, will need recovering. The BRS is out
of date, but otherwise in good shape. Make an offer on some or all, can ship
the BRS, the rest of it is cash and carry.
Call me at 423-323-9441 and I'll send pictures
Richard Pike
MKIII N420P (420ldPoops)
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=333071#333071
Message 8
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Subject: | Re: if they really knew about Kolbs |
I been trying to buy the good parts of my airplane from the insurance comp
any
what is left to it the wings are very easily repairable with new leadin
g edge tubes the Fuselage is a total loss nothing wrong with the engine an
d gearbox the new style landing gear is also good, but they really want
to completely demolish anything that is left to it. because it is not a
Cessna
only if they really knew about the strength of Kolbs I am glad I was not
in a Cessna for this incident
Ellery Batchelder Jr.
Message 9
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Subject: | Re: Kolbra flight on Saturday (videos) |
John/gang,
I enjoy the economy of the 80hp 912 at 3.5 gal/hr. It may be a little slower in
speed, but on a 500 mile trip it would only save 42 minutes of time. I would
spend the time saved pumping more gas into the tank and making more fuel stops,
so would it really save any time? Something to think about.
Ralph
--------
Ralph B
Original Firestar 447
N91493 E-AB
1000 hours
24 years flying it
Kolbra 912UL
N20386
3 years flying it
150 hrs
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=333116#333116
Message 10
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Subject: | Re: Kolbra flight on Saturday (videos) |
I enjoy the economy of the 80hp 912 at 3.5 gal/hr. It may be a little
slower in speed, but on a 500 mile trip it would only save 42 minutes of
time. I would spend the time saved pumping more gas into the tank and making
more fuel stops, so would it really save any time? Something to think about.
Ralph
Ralph:
Normally, the 912UL burns 4.0 gph at 5,000 rpm (normal cruise rpm for most
of us).
If you are only burning 3.5 gph you must be turning the 912UL slower than
5,000 rpm.
I think you have the best combination with the Kolbra and the 912UL. You
get better fuel economy, more time out of spark plugs, and can burn 87
octane auto fuel.
My first 912 series engine was a 80 horse I installed in 1994. It was a
good engine. Made my flight around the country and up to Alaska with it the
two months after I installed it.
john h
mkIII
Titus, Alabama
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