Today's Message Index:
----------------------
1. 12:24 AM - Re: Homer Kolb (icrashrc)
2. 02:50 AM - Homer (Ted Cowan)
3. 04:10 AM - Re: Re: Homer Kolb (Dennis Souder)
4. 04:42 AM - Re: Fw: Spark plugs condition (william sullivan)
5. 04:48 AM - Re: Kolb on Facebook (Kip)
6. 04:50 AM - Re: Homer Kolb (william sullivan)
7. 05:51 AM - Re: Fw: Spark Plugs Condition (lucien)
8. 08:00 AM - Re: Re: Fw: Spark Plugs Condition (John Hauck)
9. 08:16 AM - Re: Fw: Spark Plugs Condition (lucien)
10. 08:39 AM - Re: Re: Fw: Spark plugs condition (Ron @ KFHU)
11. 08:43 AM - Re: Fw: Spark Plugs Condition (Jack B. Hart)
12. 08:53 AM - Re: Re: Fw: Spark Plugs Condition (Ron @ KFHU)
13. 08:54 AM - Re: Homer Kolb (marcuskolb)
14. 09:11 AM - Re: Fw: Spark Plugs Condition (Ron @ KFHU)
15. 09:11 AM - Aircraft Site (Jack B. Hart)
16. 09:12 AM - Re: Fw: Spark Plugs Condition (lucien)
17. 09:23 AM - Re: Re: Homer Kolb (flycolt45@aol.com)
18. 09:32 AM - Re: Homer Kolb (lucien)
19. 09:33 AM - Re: Re: Homer Kolb (flycolt45@aol.com)
20. 09:53 AM - Re: Re: Homer Kolb (John Hauck)
21. 11:44 AM - Re: Re: Homer Kolb (pj.ladd)
22. 01:13 PM - Re: Another alternative engine (Jason Omelchuck)
23. 01:23 PM - Re: Homer Kolb (Dave Kulp)
24. 01:46 PM - Fw: Homer's Obituary - please pass along as you wish (John Hauck)
25. 02:22 PM - Re: Victor 1+ Report (Jack B. Hart)
26. 03:12 PM - Re: Victor 1+ Report (John Hauck)
27. 05:53 PM - Re: Victor 1+ Report (Jack B. Hart)
28. 07:25 PM - Re: Re: Homer Kolb (chris davis)
29. 08:05 PM - Re: Victor 1+ Report (John Hauck)
30. 08:59 PM - Re: Fw: Spark Plugs Condition (dalewhelan)
Message 1
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There's no doubt Homer will be missed by all who knew him. My respect for him grew
every time we talked. I spent hours on the phone with him discussing what
turns out to have been his last project. He had not called me in a while so i
assumed he had most of the kinks worked out. Does anyone know if it flew?
Does anyone have info on his final arrangements? PA is a fair hike for me but i
would like to attend.
Thank you Homer for all the things you've done to make this a better world.
Scott
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=252914#252914
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Here is a pic of the Mr. and Mrs. at Kolb 2007. Ted Cowan, Alabama,
Slingshot, 912
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Scott,
The family was to meet yesterday afternoon with the pastor to make the
arrangements for the service(s)and I think the details will be known today.
I'll post them as soon as I hear.
Dennis
-----Original Message-----
From: owner-kolb-list-server@matronics.com
[mailto:owner-kolb-list-server@matronics.com] On Behalf Of icrashrc
Sent: Tuesday, July 14, 2009 3:24 AM
Subject: Kolb-List: Re: Homer Kolb
There's no doubt Homer will be missed by all who knew him. My respect for
him grew every time we talked. I spent hours on the phone with him
discussing what turns out to have been his last project. He had not called
me in a while so i assumed he had most of the kinks worked out. Does anyone
know if it flew?
Does anyone have info on his final arrangements? PA is a fair hike for me
but i would like to attend.
Thank you Homer for all the things you've done to make this a better world.
Scott
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=252914#252914
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Subject: | Re: Fwd: Spark plugs condition |
- Ron- The first thing I noticed was the spark plug number.- What engin
e do you have?- I thought most of the two stroke Rotax engines used a B8
or B8ES.-
-
-------------------------
------------------------ Bi
ll Sullivan
-------------------------
------------------------ Wi
ndsor Locks, Ct.
-------------------------
------------------------ FS
447
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Subject: | Re: Kolb on Facebook |
Member # 2!
Welcome to the Kolb family, Joerg.
--------
2000 Firestar II
R503 DCDI
VLS 750
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- I just got back from vacation, and caught the notice about Homer.- I
wish I'd had the chance to meet him.- He appears to have been one of thos
e rare, original creative tinkerers that only come along in a great while.
- My condolences to the family, and all who knew him.- He will be misse
d.
-
-------------------------
---------------------- Bill Sul
livan
-------------------------
-----------------------Windso
r Locks, Ct.
-------------------------
---------------------- FS 447
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Subject: | Re: Fwd: Spark Plugs Condition |
captainron1(at)cox.net wrote:
> --
> kugelair.com
>
> ============
> Date: Mon, 13 Jul 2009 23:48:14 -0400
> From: "Ron @ KFHU"
> To: kolb-list@matronics.com
> Subject: Spark Plugs Condition
>
> I am attaching a couple of pics of the plugs. They have some specs of carbon
on them I think.
> can experienced 2 cycle drivers tell me what they think.
> I am not sure if its running too rich or too much oil, I am at about 38/1 on
the oil mix because I calculated 124 fluid ounces per gallon as opposed to 128
oz per gallon. So I am a bit rich on the oil side, not by much though and I am
using none synthetic as I had some bottles of it I want to use up. The motor
is running fine, just finished a 1.5 hr mission without any negative events.============
Well it won't be running fine for too much longer with plugs like that.........
This is a Rotax motor?
You already know you're running too much oil (because 50:1 is the required amount)
and perhaps you're running to rich too.
As someone else said, the plugs are the wrong ones also, if you're running the
Rotax you need to use the B8ES/BR8ES (I think the 7 is a colder plug).
Here's what I'd do _before flying again_:
- pull the exhaust manifold and check for stuck rings. Turn the crank until the
rings are visible in the exhaust port. Rock the crank back and forth very slightly
and check for play in the rings. They should move minutely in the grooves.
If you don't see this, I'd take the motor out of service and do a teardown/decarb.
- if that checks out, new set of plugs.
- go to 50:1 on the oil.
- reset the jetting for your altitude and temp according to the rotax jetting chart
(if you changed it from stock).
I wouldn't fly that engine again until you've done at least these steps....
LS
--------
LS
Titan II SS
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Subject: | Re: Fwd: Spark Plugs Condition |
> I wouldn't fly that engine again until you've done at least these
steps....
>
> LS
Before I did all that, I'd check to see what engine we are talking about and
if a proper plug check was done.
john h
mkIII
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Subject: | Re: Fwd: Spark Plugs Condition |
John Hauck wrote:
> > I wouldn't fly that engine again until you've done at least these
> steps....
>
> >
> > LS
> >
> >
>
>
>
> Before I did all that, I'd check to see what engine we are talking about and
> if a proper plug check was done.
>
> john h
> mkIII
Actually, I wouldn't want to see plugs like that come out of a 2-stroke of any
make, much less one running on an airplane........
But then again, my bravery as a pilot is towards the lower end of the scale so...
take my advice for what it's worth (i.e. what you paid for it)......
LS
--------
LS
Titan II SS
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From: | "Ron @ KFHU" <captainron1@cox.net> |
Subject: | Re: Fwd: Spark plugs condition |
It's a Cuyuna 430. The recommended range for light duty cycle is B7, B8 is good
if you keep the power in as in heavier machines. In the Dac I fly it at about
50-60% throttle most of the time.
===============
---- william sullivan <williamtsullivan@att.net> wrote:
============
Ron- The first thing I noticed was the spark plug number. What engine do you have?
I thought most of the two stroke Rotax engines used a B8 or B8ES.
Bill Sullivan
Windsor Locks, Ct.
FS 447
--
kugelair.com
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Subject: | Re: Fwd: Spark Plugs Condition |
At 12:44 AM 7/14/09 -0400, you wrote:
>--
>Date: Mon, 13 Jul 2009 23:48:14 -0400
>From: "Ron @ KFHU" <captainron1@cox.net>
Ron,
What ever engine you are using, it is running much too rich. Richard Pike
has a very good explaination of how to read plugs on his web site at:
http://www.bcchapel.org/pages/0003/pg11.htm
Jack B. Hart FF004
Winchester, IN
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From: | "Ron @ KFHU" <captainron1@cox.net> |
Subject: | Re: Fwd: Spark Plugs Condition |
Right John
It's the recommended heat range for the duty on the Cuyuna. It may be running rich
a bit, I may play with the valve needle this weekend when the tower is closed
here. I will also try the synthetic oil that I have to see how it looks. I
know it kept my Yamaha clean from carbon. I have only one mission left and I
sure don't want to screw around with that more than I minimally have to. Once
I am done with this job for all I care they can recycle this lawn chair into beer
cans (even though it's getting to be fun flying this weird contraption).
==============================
---- John Hauck <jhauck@elmore.rr.com> wrote:
============
> I wouldn't fly that engine again until you've done at least these
steps....
>
> LS
Before I did all that, I'd check to see what engine we are talking about and
if a proper plug check was done.
john h
mkIII
--
kugelair.com
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Homer was my dad. He wasn't into computers but I would get on htere and we would
browse through this site often. He LOVED when people would fly in and really
missed the fly in this year.
We are having friends and family Friday night in the hanger 6-8pm. ALL are welcome
and fly in if you can! It would be a great tribute to dad.
I don't care if you want to come earlier as long as you don't mind helping setup.
Some are coming in on Thursday and you can camp out or whatever - there will
be enough people around with cars to go for gas, food or whatever. Jim H should
be here Thursday.
The formal services are on Sat at Vincent Mennonite Church in Spring City 10 minute
s away. 9-11 is the viewing, 11-12 service then burial with at least 1 FireStar
(Dick Rahill) flying over then back to the church outside pavilion for
lunch and sharing.
I'll miss him so much - I can't even imagine.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=252971#252971
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From: | "Ron @ KFHU" <captainron1@cox.net> |
Subject: | Re: Fwd: Spark Plugs Condition |
Thanks Jack
I'll move the clip one notch up on the scale. It's a Cuyuna 430 with a Mikuni carb.
This will be todays project I guess. Density altitude is around 8K nowadays, and
best I know the old boy that owned it was from PHX about 1K msl or at most 3K
in summer. Right now the clip is attached on the second groove from the bottom,
so its fairly rich I guess?
===========================
---- "Jack B. Hart" <jbhart@onlyinternet.net> wrote:
============
At 12:44 AM 7/14/09 -0400, you wrote:
>--
>Date: Mon, 13 Jul 2009 23:48:14 -0400
>From: "Ron @ KFHU" <captainron1@cox.net>
Ron,
What ever engine you are using, it is running much too rich. Richard Pike
has a very good explaination of how to read plugs on his web site at:
http://www.bcchapel.org/pages/0003/pg11.htm
Jack B. Hart FF004
Winchester, IN
--
kugelair.com
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FireFlyers & Kolbers,
My son sent me the following jump:
http://xplanes.tumblr.com/
It may be of interest. I have not viewed all of it so I can not say if it
Kolb related or not.
Jack B. Hart FF004
Winchester, IN
do not archive
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Subject: | Re: Fwd: Spark Plugs Condition |
captainron1(at)cox.net wrote:
> Right John
> It's the recommended heat range for the duty on the Cuyuna. It may be running
rich a bit, I may play with the valve needle this weekend when the tower is closed
here. I will also try the synthetic oil that I have to see how it looks.
I know it kept my Yamaha clean from carbon. I have only one mission left and
I sure don't want to screw around with that more than I minimally have to. Once
I am done with this job for all I care they can recycle this lawn chair into
beer cans (even though it's getting to be fun flying this weird contraption).
>
>
The pictures of the plugs in the link Jack sent are pretty much spot on on what
you want to see in any 2-stroke, cuyuna, Rotax or otherwise. You want a dry,
chocolate brown and not a wet, black plug.
This will be the same regardless of the type of oil used (i.e. dino vs synthetic).
I stand by my recommendations for basic checks before flying again, particularly
if the motor has been operated this rich for an extended period of time.
LS
--------
LS
Titan II SS
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I can be there early Fri till I go back to FL on Sat night (with my pick up truck)
so I'd be glad to assist with whatever needs doing.?
You know Marcus, most times when people pass, others will take time to think of
nice memories that they will remember (and in some cases they have to dig deep
to find nice memories : )
If you've read the Kolb list - everyone who has had any contact with your dad all
say the same thing about him.? (As you and your family I'm sure understand).?
We all claim him!
I'm an Army guy and I've been a wreck since!?
Always thought that when I came to PA - he'd be there.? I won't have to come to
PA now to find him & it will be easier to talk with him? : )
I'll check in on Fri AM to see what I can help with.
You can give my name & No to Jim Hauck or whomever is the?point of contact for
support missions.? If you need someone to organize - I will.?? Whatever you need.
Jim
(561) 252-1233
-----Original Message-----
From: marcuskolb <marcus.kolb@videoray.com>
Sent: Tue, Jul 14, 2009 11:54 am
Subject: Kolb-List: Re: Homer Kolb
Homer was my dad. He wasn't into computers but I would get on htere and we would
browse through this site often. He LOVED when people would fly in and really
missed the fly in this year.
We are having friends and family Friday night in the hanger 6-8pm. ALL are
welcome and fly in if you can! It would be a great tribute to dad.
I don't care if you want to come earlier as long as you don't mind helping
setup. Some are coming in on Thursday and you can camp out or whatever - there
will be enough people around with cars to go for gas, food or whatever. Jim H
should be here Thursday.
The formal services are on Sat at Vincent Mennonite Church in Spring City 10
minute s away. 9-11 is the viewing, 11-12 service then burial with at least 1
FireStar (Dick Rahill) flying over then back to the church outside pavilion for
lunch and sharing.
I'll miss him so much - I can't even imagine.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=252971#252971
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My thoughts go out to all in the Kolb community. I never met Homer Kolb but I had
the distinct pleasure of flying one of his designs (FSII) for a while (and
am still kicking myself a bit for having sold it). Very sorry to hear of his passing...
LS
--------
LS
Titan II SS
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Sorry List.
My last note was meant for Marcus.
Jim
-----Original Message-----
From: flycolt45@aol.com
Sent: Tue, Jul 14, 2009 12:15 pm
Subject: Re: Kolb-List: Re: Homer Kolb
I can be there early Fri till I go back to FL on Sat night (with my pick up truck)
so I'd be glad to assist with whatever needs doing.?
You know Marcus, most times when people pass, others will take time to think of
nice memories that they will remember (and in some cases they have to dig deep
to find nice memories : )
If you've read the Kolb list - everyone who has had any contact with your dad all
say the same thing about him.? (As you and your family I'm sure understand).?
We all claim him!
I'm an Army guy and I've been a wreck since!?
Always thought that when I came to PA - he'd be there.? I won't have to come to
PA now to find him & it will be easier to talk with him? : )
I'll check in on Fri AM to see what I can help with.
You can give my name & No to Jim Hauck or whomever is the?point of contact for
support missions.? If you need someone to organize - I will.?? Whatever you need.
Jim
(561) 252-1233
-----Original Message-----
From: marcuskolb <marcus.kolb@videoray.com>
Sent: Tue, Jul 14, 2009 11:54 am
Subject: Kolb-List: Re: Homer Kolb
Homer was my dad. He wasn't into computers but I would get on htere and we would
browse through this site often. He LOVED when people would fly in and really
missed the fly in this year.
We are having friends and family Friday night in the hanger 6-8pm. ALL are
welcome and fly in if you can! It would be a great tribute to dad.
I don't care if you want to come earlier as long as you don't mind helping
setup. Some are coming in on Thursday and you can camp out or whatever - there
will be enough people around with cars to go for gas, food or whatever. Jim H
should be here Thursday.
The formal services are on Sat at Vincent Mennonite Church in Spring City 10
minute s away. 9-11 is the viewing, 11-12 service then burial with at least 1
FireStar (Dick Rahill) flying over then back to the church outside pavilion for
lunch and sharing.
I'll miss him so much - I can't even imagine.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=252971#252971
What's for dinner tonight? Find quick and easy dinner ideas for any occasion.
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Marcus/Gang:
I am flying the mkIII to the Kolb Farm. Will depart Gantt IAP tomorrow
evening or Thursday morning. It is 800 air miles, so will probably take 10
to 11 flight hours to get there, probably a day and a half.
I won't have a suit and tie with me, but I won't need one to be part of the
Missing Man Formation. I think Homer would approve of my attire.
Take care,
john h
mkIII
Titus, Alabama
----- Original Message -----
From: "marcuskolb" <marcus.kolb@videoray.com>
Sent: Tuesday, July 14, 2009 10:54 AM
Subject: Kolb-List: Re: Homer Kolb
>
> Homer was my dad. He wasn't into computers but I would get on htere and we
> would browse through this site often. He LOVED when people would fly in
> and really missed the fly in this year.
> We are having friends and family Friday night in the hanger 6-8pm. ALL are
> welcome and fly in if you can! It would be a great tribute to dad.
> I don't care if you want to come earlier as long as you don't mind helping
> setup. Some are coming in on Thursday and you can camp out or whatever -
> there will be enough people around with cars to go for gas, food or
> whatever. Jim H should be here Thursday.
> The formal services are on Sat at Vincent Mennonite Church in Spring City
> 10 minute s away. 9-11 is the viewing, 11-12 service then burial with at
> least 1 FireStar (Dick Rahill) flying over then back to the church outside
> pavilion for lunch and sharing.
> I'll miss him so much - I can't even imagine.
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=252971#252971
>
>
>
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Hi Marcus,
in this moment of grief rememeber all the people on this list who would not
be here together if it were not for your fathers genius and design
philosophy. A worldwide company who owe a lot to his memory. He will not be
forgotten, a tribute which is not accorded to many men.
Pat
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Subject: | Re: Another alternative engine |
Try putting a 10# flywheel on it that is directly attached to the engine (in-between
the engine and rubber donut). Make sure that most of the weight is on the
outer ring of the flywheel.
The BMW R100 smoothed out considerably at low RPM with a heavier flywheel.
aslsa.rng(at)gmail.com wrote:
> Flew over to Selby's, a local ultralight strip on a horse farm, this morning
in the trike and met a fellow who has a Moto Guzzi engine on a Pinnochio (Bleriot
look alike if you stand back a few feet. He has a Moto Guzzi engine mated
to a Rotax E box. The project has been stalled because he can't get the engine
to run at idle and off idle with the prop on it. Runs fine without the prop,
runs fine above 4000 RPM. Anyone tried this engine on a Kolb, or anything else
for that matter. Steve tells me they're popular in Europe, but they use a different
gearbox.
>
> Rick Girard
> do not archive
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*Time: * */04:23:44 PM PST US/*
*Subject: * /*_Re: Homer Kolb_*/
*From: * */"JetPilot" <orcabonita@hotmail.com
<mailto:orcabonita@hotmail.com>>/*
* That is a shame, but he led a successful life. Building airplanes and
flying them your entire life, and seeing the company you started keep
selling your designs until the last day. It does not get much better
than that ! The Kolb Quad is really cool, is there any more information
on that plane anywhere ? That must have been the first Kolb, I would
like to know what year and how it flew. Mike
Mike,
I don't know for sure if this is the Quad you're referring to - it does
have four engines - but this is one he flew in 1956. According to
Dennis Souder he had to come in really hot, about 50 mph if I recall
correctly. If the attachment gets stripped on its way to the list,
email me directly and I'll send it to you, and anyone else who's
interested, off list.
Dave Kulp
Bethlehem, PA
FireFly 11DMK
*
Message 24
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Subject: | Fw: Homer's Obituary - please pass along as you wish |
Sent: Tuesday, July 14, 2009 3:07 PM
Subject: Homer's Obituary - please pass along as you wish
Homer E. Kolb, 78, husband of Clara (Moyer) Kolb of Phoenixville, went
home to be with the Lord July 12th at Phoenixville Hospital. Born on
September 15, 1930 in Spring City, he was the son of the late Jacob F.
and Climena (Ehst) Kolb. He died of complications from cardiac surgery a
few days earlier.
Homer was a legendary innovator in the development of Ultralight and
Experimental Aircraft. As a child, he would ride his bicycle 7 miles to
Pottstown to watch the airplanes. Soon after he turned 16 he earned his
pilot's license. He would later be credited by many with inventing the
concept of an ultralight aircraft as he dreamed of an airplane that
weighed less than its pilot.
A committed Christian and practicing Mennonite, Homer served in Germany
in the PAX program as a Conscientious Objector following WWII. He then
married Clara Moyer of Telford. They purchased a farm in 1955, just a
few miles downstream from his father's farm. He farmed during the day,
drove a tractor trailer for UPS at night; but all the while he worked on
successive aircraft designs - airplanes that had several chainsaw
engines for propulsion and looked like nothing anyone had seen before.
In 1980, Homer started the Kolb Company in his barn, manufacturing light
aircraft kits and plans. Kolb Company became one of the largest kit
aircraft companies in the world, stressing customer service and
innovation. In 1994 he sold the company to his employees, and in 1999
it was moved to Kentucky where it flourishes today with Homer's designs.
Homer was a charter member of the Experimental Aircraft Association, and
was honored many times for his contributions to lightweight aircraft
design and production. Among his awards was the Dr. August Raspet award
for "outstanding contributions to the advancement of the design of light
aircraft". In 1985 he received the Charles Lindberg award for Grand
Champion Ultralight, and in 1999 he was one of the first three people
inducted into the EAA Hall of Fame. The Smithsonian National Air and
Space Museum in Washington, DC has requested to display his first
aircraft design.
Folks:
Here is Homer's Obituary from Markus Kolb.
jhauck
mkIII
When Homer retired from active aircraft design, he began restoring
antique John Deere tractors. His oldest tractor was a running 1919
Waterloo Boy which he enjoyed bringing to shows, though he restored many
tractors to showroom condition. He was a member of the Waterloo Boys of
Chester County and Bucks-Mont Two-Cylinder Antique Tractor Club. But he
still worked on cutting-edge aircraft designs; he was close to
completing an all electric-powered airplane, and had several other
designs in the planning stage.
Despite his worldwide acclaim and accomplishments, those who knew Homer
were far more impressed with his humility and devotion to his family and
church. His perspective of the church primarily focused on the -people-
of the church; his unwavering energies and lifelong dedication welcomed,
encouraged, and supported everyone whom he encountered, whether it be a
first-time visitor or a member of many years. He was greatly devoted to
his wife Clara and his greatest joy was his children and grandchildren,
several of whom lived with him on his large farm in East Pikeland.
In addition to his wife of 55 years, Homer is survived by daughter
Christine and husband Dan Balmer of Telford, daughter Joan and husband
Jim Kucharik of Phoenixville, son Marcus and wife Carol of Phoenixville,
and grandchildren: Joshua, Jessica, Alisha and husband Aaron, Faith,
Austin, Jordan, Chloe and Wesley. Also sister Ruth K. Essick of
Pottstown and brother Wilmer E. and wife LaVon N. of Spring City.
Family and friends are invited to celebrate Homer's life at 11 a.m. on
Saturday, July 18 at Vincent Mennonite Church, 39 Seven Stars Rd, Spring
City. Calling hours will be from 9-11 a.m. in the church. There will
also be an informal time to greet the family on Friday, July 17 from 6-8
p.m. at the farm.
In lieu of flowers and to continue Homer's passion for reaching the
world (or people) with Christ through the local church and missions,
memorial contributions can be made in his name to Vincent Mennonite
Church Building Fund, 39 Seven Stars Rd, Spring City, PA 19475 or Jungle
Aviation And Radio Service (JAARS) Inc, PO Box 248, Waxhaw, NC 28173.
Message 25
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Subject: | Re: Victor 1+ Report |
From: DAquaNut@aol.com
>
Can you tell us what the HP of the MZ 34 is, and the weight, and what prop you
plan to use?
>
Ed,
When I purchased my engine back in February of 2004, it was rated at 27 hp.
It weighed 42 pounds after removing the manual start mechanism. The largest
propeller I can swing by running the engine inverted and rotating the belt
reduction unit up 120 degrees is 55 inches. I have an IVO that I cut power
tips on that is a little over 54 inches that I will use.
Today I mounted the propeller and started shimming the engine to take care
of P factor. Tomorrow I will finish shimming and also slide the battery as
far forward on the root tube as I can. Right now the FireFly minus wings cg
is a little 3.2 inches back from where it was with the Victor 1+ on board.
Today I removed the turtle shell from behind the fuselage to give a little
better air flow over the head and cylinder. Also I measured the weight
difference in propeller blades. These two changes took off another pound.
This brings the fuselage weight down to 45 pounds below what it originally
was. Tomorrow I will check fuselage cg again to see if I am making headway.
Jack B. Hart FF004
Winchester, IN
Message 26
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Subject: | Re: Victor 1+ Report |
> Today I mounted the propeller and started shimming the engine to take
care
> of P factor.
>
> Jack B. Hart FF004
> Winchester, IN
Never had a P factor problem with a Kolb aircraft of any model, turning up
to 72" 3 blade props with 95 hp (actual), or as little as 35 hp turning a
50" blade.
Wonder why your little FF has a significant enough P factor problem to
warrant off setting thrust line/shimming the engine?
john h
mkIII
Message 27
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Subject: | Re: Victor 1+ Report |
At 04:57 PM 7/14/09 -0500, you wrote:
>
>
>Wonder why your little FF has a significant enough P factor problem to
>warrant off setting thrust line/shimming the engine?
>
John,
It is all in how you want to trim out your aircraft for cruise. If I didn't
have a slip ball indicator, I wouldn't worry about it. But if the ball is
out at cruise, you are slipping and that means you are flying with a higher
drag profile than is necessary. If the propeller rotary axis is not
parallel to the direction of travel, there will be P factor. By shimming
one can move the ball closer to the center. When further change gives no
gain, then one can offset the propeller on a pusher aircraft to make up the
difference and bring the ball into center without a trim tab on the rudder.
This problem is common to all single propeller tractor and pusher single
engine aircraft from RC models and on up through large ga and military
aircraft.
More info can be found at:
http://jackbhart.com/firefly/firefly56.html
In terms of significance, it is only how much you want to put into something
to make, in my case, the FireFly a little more economical to fly with
reduced pilot effort. If you use a rudder trim tab to bring in the ball at
cruise without checking for P factor, you run the chance of flying at
reduced propeller efficiencies. The shimming and offset solution is a win
win, in that, the propeller is operating at it's highest efficiency, and
there is no drag caused by an extra trim tab.
Jack B. Hart FF004
Winchester, IN
Message 28
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=0A=0A=0A=0A=0A________________________________=0AFrom: John Hauck <jhauck@
elmore.rr.com>=0ATo: kolb-list@matronics.com=0ASent: Tuesday, July 14, 2009
12:52:50 PM=0ASubject: Re: Kolb-List: Re: Homer Kolb=0A=0A--> Kolb-List me
ssage posted by: "John Hauck" <jhauck@elmore.rr.com>=0A=0AMarcus/Gang:=0A
=0AI am flying the mkIII to the Kolb Farm.- Will depart Gantt IAP tomorro
w evening or Thursday morning.- It is 800 air miles, so will probably tak
e 10 to 11 flight hours to get there, probably a day and a half.=0A=0AI won
't have a suit and tie with me, but I won't need one to be part of the Miss
ing Man Formation.- I think Homer would approve of my attire.=0A=0ATake c
are,=0A=0Ajohn h=0AmkIII=0ATitus, Alabama=0A=0A=0A----- Original Message --
--- From: "marcuskolb" <marcus.kolb@videoray.com>=0ATo: <kolb-list@matronic
s.com>=0ASent: Tuesday, July 14, 2009 10:54 AM=0ASubject: Kolb-List: Re: Ho
lb@videoray.com>=0A> =0A> Homer was my dad. He wasn't into computers but I
would get on htere and we would browse through this site often. He LOVED wh
en people would fly in and really missed the fly in this year.=0A> We are h
aving friends and family Friday night in the hanger 6-8pm. ALL are welcome
and fly in if you can! It would be a great tribute to dad.=0A> I don't care
if you want to come earlier as long as you don't mind helping setup. Some
are coming in on Thursday and you can camp out or whatever - there will be
enough people around with cars to go for gas, food or whatever. Jim H shoul
d be here Thursday.=0A> The formal services are on Sat at Vincent Mennonite
Church in Spring City 10 minute s away. 9-11 is the viewing, 11-12 service
then burial with at least 1 FireStar (Dick Rahill) flying over then back t
o the church outside pavilion for lunch and sharing.=0A> I'll miss him so m
uch - I can't even imagine.=0A> =0A> =0A> =0A> =0A> Read this topic online
here:=0A> =0A> http://forums.matronics.com/viewtopic.php?p=252971#252971
- - - - - - - - - - - - - - -Matt Dralle, List
========0A=0A=0A
Message 29
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Subject: | Re: Victor 1+ Report |
But if the ball is
> out at cruise, you are slipping and that means you are flying with a
> higher
> drag profile than is necessary. If the propeller rotary axis is not
> parallel to the direction of travel, there will be P factor. By shimming
> one can move the ball closer to the center. When further change gives no
> gain, then one can offset the propeller on a pusher aircraft to make up
> the
> difference and bring the ball into center without a trim tab on the
> rudder.
>
>
> Jack B. Hart FF004
> Winchester, IN
How do you trim the aircraft relative wind? I trim mine with the rudder.
How do you counteract adverse yaw caused by the cork screwing prop wash
hitting one side of the vertical stabilizer and relative wind hitting the
opposite side of the rudder? On the MKIII, I do it with a very large trim
tab.
I think p factor has little of no effect on our Kolbs.
During my experiments with the FS and MKIII, I was not able to see any
significant change/advantage in offsetting the engine thrust line
horizontally or vertically.
I know you are an avid experimenter and enjoy attempting to squeeze every
gram of efficiency out of your FF. You also fly much slower and with much
less hp than most of us. However, for the average Kolb flyer like me and
most others, there doesn't seem to be much advantage in changing the
standard engine mount orientation.
john h
mkIII
Message 30
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Subject: | Re: Fwd: Spark Plugs Condition |
B7ES is Hotter than B8ES.
The heat range is about the plugs ability to transfer heat from the combustion
chamber to the head.
The plugs look rich. I could guess and say at all throttle openings but that is
dangerously presumptuous. The reality is you need to know how the motor was being
run when that color developed.
The plug temperature was too cold at shut down for me to be able to determine if
you ignition timing/ fuel octane is correct.
Correct this with jetting first, changing to a hotter plug could be disastrous.
My experience is that most people on this board will tell you you are running too
much oil. I don't want to revisit that, I can tell you that the amount of oil
you are running is not causing the problem you are having.
I have seen it at 50:1 on motors with too large a needle jet.
There are many pitfalls in jetting a motor, especially 2 strokes. For example,
needle jets wear, you may be skilled enough to figure out that you are rich on
the needle jet and change from a worn out one to a good one a step leaner. Now
you are too lean. There are many good sources about jetting. If you want you
can contact me and I will help. If you want you can google my name to see if
you think I can be of any help to you.
I used to teach carbeuration
--------
Dale Whelan
503 powered Firestar II
Projection, A simple and interesting Psychological concept
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=253076#253076
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