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RE: Europa-List: Mono Inner Tyre Failures

Subject: RE: Europa-List: Mono Inner Tyre Failures
From: Robert C Harrison <ptag.dev@tiscali.co.uk>
Date: Sun, 20 Sep 2009 22:43:30
Hi! Jim 
I have had the problem with failure of the nose wheel inner tubes at 
their
seams. Especially before I researched slightly different size tubes. The
originals were too large a diameter on the =93balloon=94 dimension and 
so always
inflated with a crease in them.
Regards
Bob Harrison G-PTAG

  _____  

From: owner-europa-list-server@matronics.com
[mailto:owner-europa-list-server@matronics.com] On Behalf Of Jim Brown
Sent: 20 September 2009 13:11
Subject: Re: Europa-List: Mono Inner Tyre Failures


Paul

I have been following this thread on flats, and I have a few points to 
make,
that have worked for me.

I have been flying my monowheel almost ten years off paved runway's...My 
kit
included the old "tundra tire" and instructions to use low pressure,(I 
don't
remember PSI, but the sidewalls rubbed the Landing gear frame.) The 
plane
taxied like it was runing in mud..

I changed that tire at about 20 hours to a 700 X 6 and 6 plys and used 
30
PSI. The plane is much easier to taxi, take off's are much quicker, and 
in
800 hours I have replaced two tires that were worn out. No flats !!!! I
can't say that the air pressure is the problem, and also I don't fly off
grass, but I have not had the problems that so many of you are having.

On another note having made the above change I also changed the 
outrigger
lengths, as the new tire, with higher pressure made the original 
outriggers
to short. Over the past ten years I have extened the outriggers in 
length,
to now when the plane is parked, both outriggers touch the ground. For 
me
ground handling is much better, and in landing with the longer 
outriggers
the "rocking from one outrigger to the other" is now gone.

Also another question ? Are the flats limited to the Monowheels ??? Are 
are
the tri gears having this problem? 

Jim Brown
XS Monowheel.

--- On Thu, 9/17/09, Paul McAllister <paul.the.aviator@gmail.com> wrote:

From: Paul McAllister <paul.the.aviator@gmail.com>
Subject: Re: Europa-List: Mono Inner Tyre Failures
Date: Thursday, September 17, 2009, 12:32 PM
<paul.the.aviator@gmail.com
<http://us.mc450.mail.yahoo.com/mc/compose?to=paul.the.aviator@gmail.co
m> >

Hi,

I have this happen regularly.  I now just change them every 100 hours
and I never travel without my jacking block and a spare inner tube.  I
have tried inner tube talcum powder and different pressures with out
much improvement.

The failure mode seems to be chafing on the side wall due to running
such  low pressure.

Paul

On Thu, Sep 17, 2009 at 5:02 AM, Raimo Toivio <raimo.toivio@rwm.fi
<http://us.mc450.mail.yahoo.com/mc/compose?to=raimo.toivio@rwm.fi> > 
wrote:
> All
>
> I have lost without visible or known reason two innner tyres in my
> Monowheel.
>
> Loosing suddenly main gear=B4s air pressure is not a funny game and 
did not
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