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Tundra tyres

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Michel

Joined: 10 Jan 2006
Posts: 966
Location: Norway

Posted: Thu May 04, 2006 9:24 am Post subject: Tundra tyres

Hello Rex,



On May 3, 2006, at 7:54 PM, Rex Shaw wrote:

 	  Quote: 	
		   I think my tyres are 16.50 x 7 x8 but that's from memory.


	


I have just found somewhere, here in Norway, where I can get smooth 

tyres that are 18 x 5.4 - 8. That's a bit smaller and narrower than 20 

x 7 - 8. Do you think it's close enough?



 	  Quote: 	
		   Remember it's not really a bounce but we fly again if the tail wheel 

 does not touch

 down at the same times as the mains


	


Exactly my  feeling, Rex. The bounce has nothing to do with the 

hardness of the tyres but rather from the increases AoA due to the main 

hitting the ground first and inducing a nose-up as the tail goes down.



But, talking about pressure, my ChengShin tyres have "7 PSI OPERATING 

PRESSURE" written on them. I think that's very little. I usually put 11 

psi in them. I think they'll tolerate up to 20 psi, though.



Cheers,

Michel

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_________________
Kitfox 3 - Jabiru 2200

roncarolnikko(at)hotmail.
Guest

Posted: Thu May 04, 2006 11:11 am Post subject: Tundra tyres

I wonder how the pressure change going to altitude affects them.  I once 

near exploded a candy bar wrapper at 12500 msl.  Not a problem with 6 ply, 

but a thought on lawn tractor tires such as ours.  Ron NB Ore

 	  Quote: 	
		  From: Michel Verheughe <michel(at)online.no>

Reply-To: kitfox-list(at)matronics.com

To: kitfox-list(at)matronics.com

Subject: Re: Tundra tyres

Date: Thu, 4 May 2006 19:17:39 +0200




But, talking about pressure, my ChengShin tyres have "7 PSI OPERATING

PRESSURE" written on them. I think that's very little. I usually put 11

psi in them. I think they'll tolerate up to 20 psi, though.



Cheers,

Michel








	


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rjdaugh(at)rapidnet.com
Guest

Posted: Thu May 04, 2006 11:49 am Post subject: Tundra tyres

Going to higher altitude is like putting a couple more PSI in the tires.  If

you run the tires at 14 psi and the tires can handle 16 or 17 psi, don't

worry about them.



Randy



.           

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bmwebb(at)cox.net
Guest

Posted: Thu May 04, 2006 2:01 pm Post subject: Tundra tyres

I once had a Coke explode in a Herc at about 25,000ft. Scared crap outa us,

until we realized what it was. Sounded like a AAA shell going off.



BTW, all the tires in the military that I know of are filled with nitrogen.



Bradley



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Richard Rabbers

Joined: 09 Jan 2006
Posts: 114
Location: Benton Harbor, MI - USA

Posted: Thu May 04, 2006 2:38 pm Post subject: Re: Tundra tyres

 	  Quote: 	
		   Bradley > all the tires in the military that I know of are filled with nitrogen. 	




Nitrogen molecules are large than oxygen - so there would be less pressure loss via transmission of tube or tire.

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_________________
Richard in SW Michigan
Model 1 / 618 - full-lotus floats (restoration)

janderson412(at)hotmail.c
Guest

Posted: Thu May 04, 2006 7:54 pm Post subject: Tundra tyres

Ane fly high (10G) in a helicopter with pop out floats and the nitrogen 

bottle vents on a hot day, being high in a heli is bad for nerves anyway, 

then the hapens!!



From:  "Bradley M Webb" <bmwebb(at)cox.net>

Reply-To:  kitfox-list(at)matronics.com

To:  <kitfox-list(at)matronics.com>

Subject:  RE: Tundra tyres

Date:  Thu, 4 May 2006 17:58:09 -0400




I once had a Coke explode in a Herc at about 25,000ft. Scared crap outa us,

until we realized what it was. Sounded like a AAA shell going off.



BTW, all the tires in the military that I know of are filled with nitrogen.



Bradley



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bmwebb(at)cox.net
Guest

Posted: Fri May 05, 2006 2:57 am Post subject: Tundra tyres

I bet that's fun to watch!



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janderson412(at)hotmail.c
Guest

Posted: Sat May 06, 2006 12:33 am Post subject: Tundra tyres

Yes, and you get the big icy cloud for around you feet too. Ses the heart 

going...

From: "Bradley M Webb" <bmwebb(at)cox.net>

Reply-To: kitfox-list(at)matronics.com

To: <kitfox-list(at)matronics.com>

Subject: RE: Tundra tyres

Date: Fri, 5 May 2006 06:53:00 -0400

I bet that's fun to watch!

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