Today's Message Index:
----------------------
1. 04:44 AM - Re: Tire Balance (Rick Lewis)
2. 05:02 AM - Re: Tire Balance (Thom Riddle)
3. 05:19 AM - Re: Re: Tire Balance (John Hauck)
4. 05:32 AM - Re: Re: Tire Balance (John Hauck)
5. 05:49 AM - Re: Tire Balance (Thom Riddle)
6. 09:17 AM - Re: Tire Balance (GeoB)
7. 04:45 PM - Re: Saturday grass strip landing (cristalclear13)
8. 06:57 PM - Powerfin props (Mike Welch)
9. 09:00 PM - FSII cage is back together (Richard Pike)
10. 11:03 PM - Parts for sale (MCGUYVER)
Message 1
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Subject: | Re: Tire Balance |
Dennis:
Be careful with stick on weights as they tend to come off in hard landings
and go right through your prop. Note the word stick on, that means pop off.
Just a thought.
Rick Lewis
(VW water cooled engine)
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Subject: | Re: Tire Balance |
Dennis,
My 800x6 Carlisle are also out of balance but I don't think they are as bad as
yours. I've been able to balance cheap tires myself with stick-on weights in the
past with good success but have done this only on tractor engined airplanes
so the "pop-off" feature was not an issue.
I plan to spend a bit more and get better tires when I down size for the reasons
John H stated. The cheapest price I've found for AirTrac 600x6-4 is Desser Tire
at $53/tire plus $43/tube. Not cheap but not a deal breaker either. Another
advantage of downsizing from 800x6 is about 3 lb per wheel weight savings. If
you plan a lot of rough field ops then the 6 ply rating would be a better choice
and the price and weight difference is insignificant.
--------
Thom Riddle
Buffalo, NY
Kolb Slingshot SS-021
Jabiru 2200A #1574
Tennessee Prop 64x31
How hard it is, sometimes, to trust the evidence of one's senses! How reluctantly
the mind consents to reality.
- Norman Douglas
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Message 3
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Subject: | Re: Tire Balance |
> Be careful with stick on weights as they tend to come off in hard
landings and go right through your prop. Note the word stick on, that
means pop off. Just a thought.
>
>
> Rick Lewis
Rick L/Gang:
I used stick on weights (weights for mag wheels) in an attempt to balance
non-aviation tires. It helped a little, but took so many weights to get a
little result it wasn't worth the exercise.
Was no danger losing a weight. They are self adhesive, stuck on the rim so
that they are under centrifical force when the wheel is rolling.
Difficult/impossible to balance a tire that is also out of round.
john h
mkIII
Titus, AL
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Subject: | Re: Tire Balance |
> I plan to spend a bit more and get better tires when I down size for the
reasons John H stated. The cheapest price I've found for AirTrac 600x6-4 is
Desser Tire at $53/tire plus $43/tube. Not cheap but not a deal breaker
either. Another advantage of downsizing from 800x6 is about 3 lb per wheel
weight savings. If you plan a lot of rough field ops then the 6 ply rating
would be a better choice and the price and weight difference is
insignificant.
>
> --------
> Thom Riddle
Thom R/Gang:\
Another option is used aviation tires from your local FBO. 6X6 is a very
popular size and there are a lot of them laying around airports. Even if
they are bald, they would still last the life of a Kolb. If one is friendly
with the local aviation mechanics, they might put a couple nice take offs
away for you.
I got tubes at MATCO this summer for $30 a piece. My MATCO wheels require a
90 degree valve stem.
Good quality tubes are essential to prevent failure. Also a lot of talcum
power to keep them lubricated inside the tire, especially if running larger
800X6 tires. I had two flats in 2004, one in Palmer, AK, and another at
Fort Nelson, BC. Both caused by tube failure. Both had a tiny hole in the
sidewall of the tube. Looked like someone had puntured it with an ice pick.
Extreme los pressure, less than about 10 PSI causes this problem.
john h
mkIII
hauck's holler, alabama
Message 5
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Subject: | Re: Tire Balance |
John,
I've got a couple of 600x6 used retreads laying on the shop floor which I considered
using but they are very heavy (retreads are always heavy).
I'm trying to put the Slingshot and myself on a diet. Luray (the builder) put a
12 lb ballast in the nose which is not needed unless I lose a whole lot of weight
so that is coming out this winter too. I took the back seat belts out (heavy
Hooker harness) and no ELT (which it illegally didn't have to begin with)
required with a single seat. I also removed the heavier back seat back panel and
replaced it with polycarbonate that I can see through when refueling to know
before it sloshes out that the tanks are full.
I hope to reduce the SS empty weight by about 25 lbs or so and perhaps close to
that off of me too. That thought makes me hungry. Off to the kitchen :-).
--------
Thom Riddle
Buffalo, NY
Kolb Slingshot SS-021
Jabiru 2200A #1574
Tennessee Prop 64x31
How hard it is, sometimes, to trust the evidence of one's senses! How reluctantly
the mind consents to reality.
- Norman Douglas
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http://forums.matronics.com/viewtopic.php?p=275601#275601
Message 6
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Subject: | Re: Tire Balance |
donaho1(at)verizon.net wrote:
> Dennis, Do A search for dyna beads.
I hang around with 4x4 extremists. We run big tires and we turn them fast. They
are hard to keep balanced. Some of us use 'bb's in the tires, some use water.
Both work surprisingly well. I am not sure if they work well in all circumstances.
For such small tires I don't know how much to add. I add about a cup of
water to a large tire way out of balance.
To shake the frame as much as you describe I would wonder if the tire was mounted
straight, if so many pairs of eyes had not examined it. While I imagine it
is just an inferior tire, I would make sure I had checked that the tire was on
the bead exactly the same amount all around. As you know they have the line around
the tire that should show just outside the bead to aid in this task.
I balance my motorcycle tires by spinning them up with a bench grinder. you can
get some good speed out of them like that. Watch for a dynamic imbalance too,
a side-to-side motion, as well as the normal in-and-out shake.
GeoB
--------
GeoB
"Members of Congress should be compelled to wear uniforms like NASCAR drivers,
so we could identify their corporate sponsors"
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Message 7
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Subject: | Re: Saturday grass strip landing |
slowaero wrote:
>
> Crystal,
>
> Sorry to high-jack your thread. Your nice video of the collie herding you on
landing reminded me of Marcus' collie, Steel, whirling under the toy copter.
>
> All the best,
> Dave
No problem Dave. It's all related. Besides, I had never seen that video and it
looked like there was a Mark II like mine hanging from the roof in that hanger.
Pretty neat!
Got a call from my hanger partner...told me I now have a flat tire. :( Oh well,
gives me a good excuse to start my annual inspection early this month.
--------
Cristal Waters
Kolb Mark II Twinstar
Rotax 503 DCSI
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Message 8
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Kolb people=2C
I read this in an EAA newsletter. I thought some of you might be glad to
know you can still get a Powerfin prop. Here's the article=3B
Frederick Scheffel to Manufacture Powerfin Props
Many in our sport were sad to hear the news earlier this year when Stuart G
oin announced he would cease production of his popular=2C lightweight=2C ca
rbon fiber Powerfin propellers. His products filled an important niche in t
he industry. Thankfully=2C Frederick Scheffel=2C a respected leader in the
world of powered parachutes (PPC)=2C has announced he will begin manufactur
ing Powerfin propellers at his facility in Wharton=2C Texas. All the origin
als molds and production equipment will move to the 10=2C000 square foot fa
cility already dedicated to the manufacture of the Predator PPC. Scheffel e
xpects to be shipping props by mid-January. All of the popular models will
be available and he will introduce a new curved-tip prop at Sun 'n Fun 2010
. The new default color for Powerfin props will be white=3B the original bl
ack finish is still available but must be ordered. Listen to an interview w
ith Fredreick Scheffel on the Ultraflight Radio archives for November 24. C
ontact Powerfin and order props at their website.
Mike Welch
MkIII
(House is almost done=2C only a couple of weeks and I get back to work on m
y plane)
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Message 9
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Subject: | FSII cage is back together |
Finally got the cage repaired and got it sandblasted today. I realize that for
most of you this is what a cage is supposed to look like, but for us it is a milestone.
Especially considering what it looked like before...
Ist picture is April 18 of this year, 2nd picture is tonight, all primered, 3rd
is where the two 6 gallon tanks are going to be. Now it will have almost 12 gallons
of usable fuel. The 4th picture shows where the package shelf is going
to fit. I took the small diameter tubing that originally located the gas tanks
in place and built a package tray frame out of it. Will cover it with fabric.
So now we actually have enough parts of the right shape to constitute having a
kit.... Yippee!
Richard Pike
MKIII N420P (420ldPoops)
FSII N582EF on the comeback trail
:D
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Message 10
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I finally got around to cleaning my Kolb Hanger (my garage) and I found a couple
of things I no longer need. I thought I would offer them to the Kolb List before
I post them on eBay.
I have a Powerfin 64"- 3 B-blade prop used less than 10 hours on a Rotax 582 "B"
box with 2.58 gears. This prop has the Apex 3AHA black anodized hub. I changed
the box to a "C" box with 3.00 gears and had to go to a larger prop. I am
asking $600.00 OBO .
I also have an RK400 clutch used less than 2 hours. This clutch was included in
the "Package" I purchased when I changed from the "B" box to the "C" box. I maybe
didn't give the clutch a chance but I liked the characteristics of my Kolb
without the clutch. I am asking $350.00 OBO .
If anyone is interested please contact me off list at:
guyandjodi@bvillemn.net
Do Not Archive
Thanks
G. Swenson
--------
Minnesota MKIII Xtra N3053B
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