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Dennis.Kirby(at)kirtland.
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 Posted: Mon Sep 10, 2012 1:16 pm Post subject: 8.5 X 6 tires on a Kolbra |
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"Nick Cassara" asked:
<< I have been planning to put a well smoothed off pair 8.5 X 6 tire on my Kolbra, when it is finished. A friend asked me how tough the gear is ... Would this be too much stress on the gear? Thanks, Nick Cassara, Palmer, AK >>
Nick –
I had 8.00x6 “tundra” tires on my Mark-3 for about a year, but eventually swapped them back out for the original 6.00x6 tires that were on it because the 8.00s were so horribly out of balance.
Talking about the wavy-tread 8.00 tires, that Kolb Factory usually equips with their Kolbras. Cheap, made in China tires. During the takeoff roll, when my plane got to 30 mph, the instrument panel would vibrate so badly I could not even read the instruments. Unfortunately, the Matco rims they were on could not be balanced. Not designed to take rim weights.
Yet I have friends who have the same tires, and they roll perfectly smoothly. Luck of the draw, I guess.
So my advice would be: Try to find out if your 8.5 tires are well-balanced or not. Sounds to me like the previous owner must’ve liked them OK, for them to be so “well-smoothed!”
AS far as stress on the gear – because these balloon tires are usually run at lower PSI, you get extra cushioning on landing and striking objects on the runway. So I think your landing gear will be OK.
Dennis Kirby
Mark-3, 912ul, in
Sandia Park, NM
[quote][b]
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Thom Riddle
Joined: 10 Jan 2006
Posts: 1597
Location: Buffalo, NY, USA (9G0)
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| Posted: Tue Sep 11, 2012 3:36 am Post subject: Re: 8.5 X 6 tires on a Kolbra |
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When I bought my Slingshot it had the 8.00x6 tires on Matco wheels and they were pretty well balanced w/o any weights on the wheels. No noticeable vibration before getting airborne, so apparently mine were some of the good ones. I had no issues with those tires except they were meant for grass and I am based at a paved airport. I downsized to 15x6-6 tires which required a lot of tape-a-weights to get them vibration free. So luck of the draw can be certainly a factor.
FWIW, the self-adhesive on the weights was not sufficient for the job so I used rtv to stick the weights in place and then taped over them with electrical tape. Sort of ugly but since I have wheel pants it does not show. I used a go-kart type wheel balancer which worked quite well.
In the future, I would follow John Hauck's advise and pay extra for real aircraft tires which generally need no balancing on the wheel.
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Thom Riddle
Buffalo, NY (9G0)
Don't worry about old age... it doesn't last very long.
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byoungplumbing(at)gmail.c
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| Posted: Tue Sep 11, 2012 9:36 am Post subject: 8.5 X 6 tires on a Kolbra |
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Talking about the wavy-tread 8.00 tires, that Kolb Factory usually equips with their Kolbras. Cheap, made in China tires. During the takeoff roll, when my plane got to 30 mph, the instrument panel would vibrate so badly I could not even read the instruments. Unfortunately, the Matco rims they were on could not be balanced. Not designed to take rim weights.<?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" />
Dennis Kirby
| Quote: | >>>>>>>>>>>>>>
Dennis
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I went to a local tire shop and asked if they had the stick on weights,,, they fit on the inside of the rim near where the valve stem comes out. worked ok for me.
boyd young mkiii utah
[quote][b]
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Carolina Flyer
Joined: 03 Oct 2010
Posts: 62
Location: Buffalo, South Carolina
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| Posted: Tue Sep 11, 2012 11:24 am Post subject: Re: 8.5 X 6 tires on a Kolbra |
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Now and again a topic on here comes up that I know a little about. The Tires that alot of people refer to as Tundra Tires are no where near to being anything like the original Alaskan Tundra Tires. The only characteristic the tires have that are similar to the real thing is being big, and actually they are not really all that big either. I have been selling a Tundra Tire set-up for a few years now, and they have many of the characteristic of the real ones. 1) Big 21"x 12" x 8" 2) light weight 3) soft and pliable. 4) smooth so they can slide and be more forgiving.... They are just like the real Tundra Tires, but just cost a friction of the cost of the original Bush Tires. If anyone needs any just send me a message. I can fix you up with the whole set-up. Tires, Wheels, and Brakes, or any individual item. The Wheels are Custom Made and Heat Treated, 8" Diameter and your choice of width. I use a Wheel that has a 9" width. I have even shipped out of the County,and I have them being used on Kolbs, Challenger's, KitFox., Avids, Rans, Ridge Runners, Phantoms even on some Trikes....l. Rotax Rick down in Naples Florida was my 1st Customer, and he Loved his
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| as you can see my Tires are much bigger, so called Tundra Tire on the Left, made by Carlisle |
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_________________
Kolb Firestar II
503 C-Box / RK400
Soon to have a
Rotax 670 DCDI
with a C-Box and
RK 400 Clutch
Challenger II
503 Tall Drive
Location : Buffalo South Carolina |
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Carolina Flyer
Joined: 03 Oct 2010
Posts: 62
Location: Buffalo, South Carolina
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| Posted: Tue Sep 11, 2012 11:36 am Post subject: Re: 8.5 X 6 tires on a Kolbra |
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In this Picture you can see the wheels with two different off-sets
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114.47 KB |
| Viewed: |
20522 Time(s) |
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_________________
Kolb Firestar II
503 C-Box / RK400
Soon to have a
Rotax 670 DCDI
with a C-Box and
RK 400 Clutch
Challenger II
503 Tall Drive
Location : Buffalo South Carolina |
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dpeters160(at)gmail.com
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| Posted: Tue Sep 11, 2012 11:41 am Post subject: 8.5 X 6 tires on a Kolbra |
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Do you have a web-site? Thank you. On Sep 11, 2012 12:28 PM, "Carolina Flyer" <joe.a.lawson(at)gmail.com (joe.a.lawson(at)gmail.com)> wrote:[quote] --> Kolb-List message posted by: "Carolina Flyer" <joe.a.lawson(at)gmail.com (joe.a.lawson(at)gmail.com)>
Now and again a topic on here comes up that I know a little about. The Tires that alot of people refer to as Tundra Tires are no where near to being anything like the original Alaskan Tundra Tires. The only characteristic the tires have that are similar to the real thing is being big, and actually they are not really all that big either. I have been selling a Tundra Tire set-up for a few years now, and they have many of the characteristic of the real ones. 1) Big 21"x 12" x 8" 2) light weight 3) soft and pliable. 4) smooth so they can slide and be more forgiving.... They are just like the real Tundra Tires, but just cost a friction of the cost of the original Bush Tires. If anyone needs any just send me a message. I can fix you up with the whole set-up. Tires, Wheels, and Brakes, or any individual item. The Wheels are Custom Made and Heat Treated, 8" Diameter and your choice of width. I use a Wheel that has a 9" width. I have even shipped out of the County,and I have them!
being used on Kolbs, Challenger's, KitFox., Avids, Rans, Ridge Runners, Phantoms even on some Trikes....l. Rotax Rick down in Naples Florida was my 1st Customer, and he Loved his
--------
Kolb Firestar II
503 C-Box / RK400
Soon to have a
Rotax 670 DCDI
with a C-Box and
RK 400 Clutch
Challenger II
503 Tall Drive
Location : Buffalo South Carolina
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=382891#382891
Attachments:
http://forums.matronics.com//files/tires1_large_108.jpg
http://forums.matronics.com//files/dsc00448_large_209.jpg
http://forums.matronics.com//files/dsc00454_large_133.jpg
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arget="_blank">http://www.matronics.com/Navigator?Kolb-List
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lcottrell
Joined: 29 May 2006
Posts: 1494
Location: Jordan Valley, Or
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| Posted: Tue Sep 11, 2012 11:53 am Post subject: 8.5 X 6 tires on a Kolbra |
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Why don't you give us some prices of the set up?Larry
On Tue, Sep 11, 2012 at 1:24 PM, Carolina Flyer <joe.a.lawson(at)gmail.com (joe.a.lawson(at)gmail.com)> wrote:
| Quote: | --> Kolb-List message posted by: "Carolina Flyer" <joe.a.lawson(at)gmail.com (joe.a.lawson(at)gmail.com)>
Now and again a topic on here comes up that I know a little about. The Tires that alot of people refer to as Tundra Tires are no where near to being anything like the original Alaskan Tundra Tires. The only characteristic the tires have that are similar to the real thing is being big, and actually they are not really all that big either. I have been selling a Tundra Tire set-up for a few years now, and they have many of the characteristic of the real ones. 1) Big 21"x 12" x 8" 2) light weight 3) soft and pliable. 4) smooth so they can slide and be more forgiving.... They are just like the real Tundra Tires, but just cost a friction of the cost of the original Bush Tires. If anyone needs any just send me a message. I can fix you up with the whole set-up. Tires, Wheels, and Brakes, or any individual item. The Wheels are Custom Made and Heat Treated, 8" Diameter and your choice of width. I use a Wheel that has a 9" width. I have even shipped out of the County,and I have them!
being used on Kolbs, Challenger's, KitFox., Avids, Rans, Ridge Runners, Phantoms even on some Trikes....l. Rotax Rick down in Naples Florida was my 1st Customer, and he Loved his
--------
Kolb Firestar II
503 C-Box / RK400
Soon to have a
Rotax 670 DCDI
with a C-Box and
RK 400 Clutch
Challenger II
503 Tall Drive
Location : Buffalo South Carolina
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=382891#382891
Attachments:
http://forums.matronics.com//files/tires1_large_108.jpg
http://forums.matronics.com//files/dsc00448_large_209.jpg
http://forums.matronics.com//files/dsc00454_large_133.jpg
===========
arget="_blank">http://www.matronics.com/Navigator?Kolb-List
===========
http://forums.matronics.com
===========
le, List Admin.
="_blank">http://www.matronics.com/contribution
===========
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If you forward this email, or any part of it, please remove my email address before sending.
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lcottrell
Joined: 29 May 2006
Posts: 1494
Location: Jordan Valley, Or
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| Posted: Tue Sep 11, 2012 11:55 am Post subject: 8.5 X 6 tires on a Kolbra |
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I would be interested in the weight of all the necessary ingredients as well.Larry
On Tue, Sep 11, 2012 at 1:36 PM, Carolina Flyer <joe.a.lawson(at)gmail.com (joe.a.lawson(at)gmail.com)> wrote:
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Carolina Flyer
Joined: 03 Oct 2010
Posts: 62
Location: Buffalo, South Carolina
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| Posted: Tue Sep 11, 2012 1:00 pm Post subject: Re: 8.5 X 6 tires on a Kolbra |
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Here is a Picture of 1 Wheel with a Tire and the Black Max Wheel Hub on a weight scale at our local Post Office........... The price of the complete set-up is $779.00 plus Shipping Cost... I have always shipped the tires already mounted on the rims, that way I know the buyer will not have any problems. The complete set-up can be fitted on in less than an hour.
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| Description: |
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80.07 KB |
| Viewed: |
20510 Time(s) |
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_________________
Kolb Firestar II
503 C-Box / RK400
Soon to have a
Rotax 670 DCDI
with a C-Box and
RK 400 Clutch
Challenger II
503 Tall Drive
Location : Buffalo South Carolina |
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Vic Peters
Joined: 30 Oct 2009
Posts: 54
Location: Millinocket, Maine
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| Posted: Tue Sep 11, 2012 2:09 pm Post subject: 8.5 X 6 tires on a Kolbra |
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Nice
[quote][b]
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Vic
912ul Xtra
Maine
Too old to cut the mustard but not the cheese. |
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williamtsullivan(at)att.n
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| Posted: Wed Sep 12, 2012 7:29 am Post subject: 8.5 X 6 tires on a Kolbra |
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Jason- the photo didn't attach.
do not archive
--- On Wed, 9/12/12, Jason Omelchuck <jason(at)trek-tech.com> wrote:
[quote]
From: Jason Omelchuck <jason(at)trek-tech.com>
Subject: Re: 8.5 X 6 tires on a Kolbra
To: kolb-list(at)matronics.com
Date: Wednesday, September 12, 2012, 10:56 AM
--> Kolb-List message posted by: "Jason Omelchuck" <[url=/mc/compose?to=jason(at)trek-tech.com]jason(at)trek-tech.com[/url]>
Attached is a picture of my aircraft with 21x7x8 shaved ATV tires on it. The rims are matco 8x6 rims. You can buy the tires from Dressler tire. I chose this instead of going the Nanking (nanco) 21x12x8 way because I felt I did not need the 12" of width (the ones I used are only 7" wide). I ran the tires without tubes and the set up was fairly light. This solution is more expensive than the complete set up being offered because of the cost of the matco rims.
Jason
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=382922#382922
Attachments:
http://forums.matronics.com//files/imgp4169_112.jpg
http://www.matronics.com/Navigator?Kolb-L; - MATRONICS WEB FORUMS - [quote][b]
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Jason Omelchuck
Joined: 07 May 2009
Posts: 120
Location: Portland Oregon
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| Posted: Wed Sep 12, 2012 7:30 am Post subject: Re: 8.5 X 6 tires on a Kolbra |
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Attached is a picture of my aircraft with 21x7x8 shaved ATV tires on it. The rims are matco 8x6 rims. You can buy the tires from Dressler tire. I chose this instead of going the Nanking (nanco) 21x12x8 way because I felt I did not need the 12" of width (the ones I used are only 7" wide). I ran the tires without tubes and the set up was fairly light. This solution is more expensive than the complete set up being offered because of the cost of the matco rims.
Jason
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20470 Time(s) |
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John Hauck
Joined: 09 Jan 2006
Posts: 4639
Location: Titus, Alabama (hauck's holler)
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| Posted: Wed Sep 12, 2012 8:01 am Post subject: 8.5 X 6 tires on a Kolbra |
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Kolbers:
I have had good luck with Air Trac 800X6 aircraft tires on
my MKIII which flies with a GVW of 1200+ lbs.
They handle gulf coast dry sugar beach sand, mud, rough
fields, tall weeds, sand and gravel bars in the rivers, and
pavement well. They are trued and balanced to 120 MPH prior
to leaving the factory.
If I am going to be flying primarily on pavement and
improved sod, I fly with about 10 PSI. If I am
contemplating some serious off field work, I drop them down
to 4 to 6 lbs.
I tried 800X6 tires on my original Firestar. Quickly
discovered the 15X6X6 lawn mower tires were all I needed to
do my kind of flying off field.
My main concern is to have enough floatation not to nose
over in soft sand and ground.
john h
mkIII
Rock House, near Burns Junction, OR
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John Hauck
MKIII/912ULS
hauck's holler
Titus, Alabama |
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russk50(at)gmail.com
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| Posted: Wed Sep 12, 2012 2:32 pm Post subject: 8.5 X 6 tires on a Kolbra |
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Jason
No picture!
On Sep 12, 2012, at 10:56 AM, Jason Omelchuck wrote:
| Quote: |
Attached is a picture of my aircraft with 21x7x8 shaved ATV tires on it. The rims are matco 8x6 rims. You can buy the tires from Dressler tire. I chose this instead of going the Nanking (nanco) 21x12x8 way because I felt I did not need the 12" of width (the ones I used are only 7" wide). I ran the tires without tubes and the set up was fairly light. This solution is more expensive than the complete set up being offered because of the cost of the matco rims.
Jason
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=382922#382922
Attachments:
http://forums.matronics.com//files/imgp4169_112.jpg
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