REFLECTOR: Tire (OZ...= tyre) wear

[John Youngblood]

Hello Ronnie,

I'd like a PDF copy.

Thanks very much.

John Youngblood
aqcs at comcast.net

On Mar 14, 2006, at 5:07 AM, Ron Brown wrote:

> I have a copy of the Aviation Consumer file (PDF) that I can email  
> (1.8mb) for anyone that wants a copy.
>
> The key is that the tires are close to the same diameter, however  
> the tread profile is important in that the Condors are rounded, the  
> retread and Goodyear's are more squared off.  This squared off edge  
> will hang in the gear well if you built using the Condors as a  
> pattern and cut it too close.
>
> Re how frequently to adjust the toe in, just measure the tread  
> depths and watch what is being worn off every 50 hours or so.  Then  
> adjust shims as needed to even the wear out.  Rotating the tires is  
> a necessary procedure on the RV's as well.
>
> Ronnie
>
>
> ----- Original Message ----- From: "Keith Hallsten"  
> <KeithHallsten at quiknet.com>
> To: "'Velocity Aircraft Owners and Builders list'"  
> <reflector at tvbf.org>
> Sent: Tuesday, March 14, 2006 12:04 AM
> Subject: RE: REFLECTOR: Tire (OZ...= tyre) wear
>
>
>> Greg,
>>
>> The best information available is from the June 2004 issue of  
>> Aviation
>> Consumer magazine.  They measured the diameters, tread depths,  
>> wear in their
>> landing-test tire torture trailer rig, durometer hardness, and  
>> weight of a
>> good selection of the available types of GA tires in the 600 x  
>> 6.00 6-ply
>> size.  It was an extremely valuable article on the relative values of
>> various tire options.  They concluded that the best value was the  
>> Desser
>> Monster retread, since it had the deepest tread and sold for about  
>> $60.
>>
>> I was trying to get the article off the Aviation Consumer website,  
>> but it
>> appears that their system won't let me on tonight.
>>
>> Here are the measured diameters (two measurements at 90 degrees to  
>> each
>> other) and weights for the tested tires, including a couple of  
>> retreads:
>>
>> Goodyear Flight Custom    16.43 x 16.76 inch  10.9 lbs.
>> Goodyear Flight Special   16.56 x 16.62 inch  9.5 lbs.
>>
>> Michelin Air         16.56 x 16.62 inch  9.25 lbs.
>> Michelin Aviator     16.68 x 16.69 inch  8.75 lbs.
>> Michelin Condor      16.56 x 16.62 inch  8.8 lbs.
>>
>> McCreary SuperHawk   16.87 x 16.81 inch  10.5 lbs.
>> McCreary AirHawk     16.25 x 16.56 inch  17.9 lbs.
>> McCreary AirTrac     16.50 x 16.43 inch   7.3 lbs
>>
>> Desser AeroClassic      16.81 x 16.93 inch  7.9 lbs.
>> Desser Condor Retread   16.93 x 17.00 inch  10.3 lbs.
>> Desser Monster Retread  16.87 x 16.87 inch  10.2 lbs.
>>
>> Note that the Monster Retread was NOT significantly larger in  
>> diameter than
>> the other tires, although the Condor retread WAS!  I was also a bit
>> surprised to see that the weight of the Monster retread was less  
>> than the
>> Flight Custom, SuperHawk or AirHawk.  The roundness was also better.
>>
>> I look forward to meeting you in person at the Velocity Builders  
>> Symposium.
>> I'm one of the poor sods who's flying commercial into DFW, so we  
>> may even
>> get acquainted on the ride from there.
>>
>> Regards,
>>
>> Keith Hallsten
>> Roseville, CA
>>
>>
>> -----Original Message-----
>> From: reflector-bounces at tvbf.org [mailto:reflector- 
>> bounces at tvbf.org] On
>> Behalf Of Greg Poole
>> Sent: Monday, March 13, 2006 1:40 PM
>> To: 'Velocity Aircraft Owners and Builders list'
>> Subject: RE: REFLECTOR: Tire (OZ...= tyre) wear
>>
>> Has anybody got a diameter on the Goodyear or retreaded  
>> tyres? ...or perhaps
>> a diameter of the enlarged wheel well which gave adequate  
>> clearance? While
>> I'm specifically interested in the STD fuselage RG model, I'm sure  
>> there
>> might be some XL RG builders who would appreciate such dimensions.
>>
>>
>> Greg in Sydney
>> Slow buildin in OZ
>>
>>
>>
>>
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