Today's Message Index:
----------------------
1. 04:11 AM - Re: Don Gheradini (Ted Cowan)
2. 06:53 AM - Oshkosh!! (info)
3. 02:15 PM - Re: Ivo pitch setting (Jim Ballenger)
4. 03:16 PM - Re: Ivo pitch setting (DAquaNut@aol.com)
5. 05:04 PM - WING ALIGNMENT AND ATTACHMENT ON MK III X COMPLETE (Jim Ballenger)
6. 07:35 PM - Re: WING ALIGNMENT AND ATTACHMENT ON MK III X COMPLETE (Ben Ransom)
7. 07:58 PM - Re: Ivo pitch setting (Beauford Tuton)
8. 09:52 PM - Re: 3rd Annual Cajun Fly-in & Camp-out (DAquaNut@aol.com)
Message 1
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| Subject: | Re: Don Gheradini |
--> Kolb-List message posted by: Ted Cowan <tcowan1917@direcway.com>
You sure got a nice lookin bird there dude. Thought you might like to know,
I am the guy who bought the 447 and dash w/gauges from that deal. Paid two
grand for a complete 447 and guages and all. I sold my old 447 complete and
the dash and gauges and an old prop I had and ended up with a two hundred
dollar engine. Thought I made a pretty good deal. At the time the guy
wanted six thou I think for what you bought. I thought it was too crummy
and rusty for that kind of dough. You sure did pretty it up. Good job.
When I saw it, it was rainy and cold and it was rusty and sitting in water,
fabric wet and rusty and didnt look like something I wanted for that much.
Hope you paid a lot less. The guy really didnt know what he had and what it
was worth. The trailer was a real joke. Anyway, hope you have a fine time
with it. Again, great paint job. Ted Cowan.
Message 2
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--> Kolb-List message posted by: "info" <info@aircrafttechsupport.com>
Hi Kolbers, looks like a lot of you are preparing for OSH, please look us up at
the Poly-Fiber booth in the middle of building "A".
Thanks,
Jim & Dondi Miller
Aircraft Technical Support, Inc.
Poly-Fiber & Ceconite Distributors
(Toll Free) (877) 877-3334
Web Site: www.poly-fiber.com
E-mail: info@aircrafttechsupport.com
Message 3
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| Subject: | Re: Ivo pitch setting |
--> Kolb-List message posted by: "Jim Ballenger" <ulpilot@cavtel.net>
Ed
I have a 2 bladed ground adjustable IVO prop on my 447 KXP FS. When I
installed it for the 1st time, the natural lay of the pitch was pretty
close. My ground run up was around 6400 rpm. I put in a couple of
counterclockwise turns on my adjustment nut and it came down to 6200 rpm. It
is just a trial and error method of getting what static ground run up rpm
you want. I have mine set for 6100 rpm now to keep my EGT and CHT in check
at cruise rpm.
Jim Ballenger
Flying a FS KXP 447
Building a MK III X
Virginia Beach, VA
DO NOT ARCHIVE
----- Original Message -----
From: <DAquaNut@aol.com>
Subject: Re: Kolb-List: Ivo pitch setting
> --> Kolb-List message posted by: DAquaNut@aol.com
>
>
> I spent over 2 hours looking in the archives and could not find out
how
> to set, or maybe I should say measure the pitch the pitch on an ivo. I did
see
> where some had ground or shimmed the cams. I got zero instructions from
Ivo.
> Guess they think I have had one before, but its my first. I have a 2 blade
> 66"prop. Is there any way to set it besides trial and error?
>
> Ed ( in Houston)
>
>
Message 4
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| Subject: | Re: Ivo pitch setting |
--> Kolb-List message posted by: DAquaNut@aol.com
In a message dated 7/15/03 8:55:03 PM Central Standard Time,
beauford@tampabay.rr.com writes:
<< I suspect that most guys would tell you that after you get the engine
break-in done, tie the tail to something substantial (that you don't mind
getting slightly sandblasted) and just work with the prop pitch screw until
you get it to the desired static RPM at wide open throttle... Screw the
pitch screw IN to INCREASE RPM...... screw it back OUT to DECREASE RPM....
>>
Snip
Beauford,
What did you do about the pitch while breaking in . No problem with over
rev ving
the engine? Did you follow the rotax procedure exactly?
Ed (in Houston)
Message 5
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| Subject: | WING ALIGNMENT AND ATTACHMENT ON MK III X COMPLETE |
--> Kolb-List message posted by: "Jim Ballenger" <ulpilot@cavtel.net>
All
I spoke with Ray Brown at Kolb and he told me how he attached and aligned the wings
to the Kolbs he built. His method was so simple and seemed the easiest I
decided to use it and not what is published in the construction manual. Here
is how I did it.
First I took the plan measurements on the wing tab and cage tabs for the clevis
pin location and carefully measured and drilled the holes before I did anything
else. Believe me, it took me a while to work up the courage to drill those
holes without putting the wing and cage together first. I then leveled the
cage in the roll axis and raised the tail to level the wings in the pitch axis.
The next step was to attached the wings with the clevis pins at the spar and
then get my distance from the wingtips to the leading of the rudder the same
and drill the drag strut fitting. I then raised the wing tips 1.5" to achieve
the require dihedral and attached the lift struts.
Both wings are at the same angle of incidence and the wing tip to rudder measurement
was with in 1/8 " for both wings as well as the lift strut lengths were
within 1/8". I also have a digital level that I checked each wing with and both
wings were within 1/10 of a degree of each other.
I started this at 1p.m. yesterday and finished at 7 p.m. a total of 6 hours. I
am completely satisfied with the results and amazed at how smooth it went using
Ray's technique.
Jim Ballenger
Flying a FS KXP 447
Building a MK III X
Virginia Beach, VA
Message 6
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| Subject: | Re: WING ALIGNMENT AND ATTACHMENT ON MK III X COMPLETE |
--> Kolb-List message posted by: Ben Ransom <bwr000@yahoo.com>
Whoa!
I can see how this would work some, or maybe even a lot of the time,
but all of the time would really surprise me. There are differences in
how cages come off of weld jigs, and to think that the location of the
three points for wing attach (to cage) would match from side to side
seems a lot to ask for. The method would also require pretty similar
root ribs, altho these are smaller parts than the cage, with less
likelihood of height differences that would affect incidence angle.
I'm impressed, but would be too chicken to try this myself. :)
BTW, on my rebuild, I had the hole in the wing tab, as well as
corresponding holes in the top cage tabs welded closed so I could go
thru the "fun ?" longer process again.
-Ben
--- Jim Ballenger <ulpilot@cavtel.net> wrote:
> --> Kolb-List message posted by: "Jim Ballenger" <ulpilot@cavtel.net>
>
> All
> I spoke with Ray Brown at Kolb and he told me how he attached and
> aligned the wings to the Kolbs he built. His method was so simple
> and seemed the easiest I decided to use it and not what is published
> in the construction manual. Here is how I did it.
>
> First I took the plan measurements on the wing tab and cage tabs for
> the clevis pin location and carefully measured and drilled the holes
> before I did anything else. Believe me, it took me a while to work
> up the courage to drill those holes without putting the wing and cage
> together first. I then leveled the cage in the roll axis and raised
> the tail to level the wings in the pitch axis. The next step was to
> attached the wings with the clevis pins at the spar and then get my
> distance from the wingtips to the leading of the rudder the same and
> drill the drag strut fitting. I then raised the wing tips 1.5" to
> achieve the require dihedral and attached the lift struts.
>
> Both wings are at the same angle of incidence and the wing tip to
> rudder measurement was with in 1/8 " for both wings as well as the
> lift strut lengths were within 1/8". I also have a digital level
> that I checked each wing with and both wings were within 1/10 of a
> degree of each other.
>
> I started this at 1p.m. yesterday and finished at 7 p.m. a total of 6
> hours. I am completely satisfied with the results and amazed at how
> smooth it went using Ray's technique.
>
> Jim Ballenger
> Flying a FS KXP 447
> Building a MK III X
> Virginia Beach, VA
>
>
>
>
>
>
>
>
=====
http://mae.ucdavis.edu/~ransom
__________________________________
Message 7
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| Subject: | Re: Ivo pitch setting |
--> Kolb-List message posted by: "Beauford Tuton" <beauford@tampabay.rr.com>
Ed:
On break-in....
Initially, after setting the pitch by "eyeball", I had the pitch a little
too coarse and when I got to the WOT part of the break-in, it would not
quite turn 6000 static... I immediately shut it down and ran the IVO
adjusting screw in a little ( about two turns as I recall) and that solved
the problem for the break-in cycle. I never allowed it to exceed the
specified RPM limit during the break-in, and would suspect that some
reasonable amount of "load" is required to get a good break-in. One thing I
noticed is that when one sets out to adjust the IVO, there will always be
some slack before the cam is engaged... you should be able to feel it as you
turn the adjusting screw... Based on my humble observations, this slop part
of screw movement isn't actually changing the pitch... and the only part of
the pitch-change operation which matters is that which is actually in
contact with the cam followers.... In other words, once the adjusting screw
is loosened, you will be able to feel when the screw actually engages the
followers attached to the blades... I would make the changes based on how
far you move the screw after the cams are contacted by the follower. Loosen
the big nut and work the screw back and forth... you'll feel what I am
talking about.
Bear in mind, Sir, that the above are the empirical observations of a humble
goon with extremely limited (about 95 hours) experience with both IVO's and
ROTAX's... and indeed, with a deeply ingrained distrust of anything 2
cycle... mine hasn't quite killed me yet, and that's about the exent of my
credentials... To quote the old saw, my opinions are worth precisely what
you paid for them... There are countless others on this list with a lot more
2 stroke experience than I... Mebbe some of them will chime in here....
Good Luck, Sir....
Beauford
FF#76
Brandon, (soggy) FL
----- Original Message -----
From: <DAquaNut@aol.com>
Subject: Re: Kolb-List: Ivo pitch setting
> --> Kolb-List message posted by: DAquaNut@aol.com
>
> In a message dated 7/15/03 8:55:03 PM Central Standard Time,
> beauford@tampabay.rr.com writes:
>
> << I suspect that most guys would tell you that after you get the engine
> break-in done, tie the tail to something substantial (that you don't mind
> getting slightly sandblasted) and just work with the prop pitch screw
until
> you get it to the desired static RPM at wide open throttle... Screw the
> pitch screw IN to INCREASE RPM...... screw it back OUT to DECREASE
RPM....
> >>
> Snip
>
> Beauford,
>
> What did you do about the pitch while breaking in . No problem with
over
> rev ving
> the engine? Did you follow the rotax procedure exactly?
>
> Ed (in Houston)
>
>
Message 8
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| Subject: | Re: 3rd Annual Cajun Fly-in & Camp-out |
--> Kolb-List message posted by: DAquaNut@aol.com
Tommy,
Are you OK? Ive sent two or three emails. Let me know if you are well.
Ed Diebel
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