[Fot] Fwd: FW: broken axle

Mon Oct 3 19:42:08 MDT 2016

It is a Corvair axle. Problem I see is the flange broke, not the axle. I suspect you had excessive run out on the flange, and the torque of the lugs may have stressed it. Never had anything like this in 40 years. Still use the Corvair set up in my Vintage sixes, no issues. Good parts makes a better set upon you wish to upgrade, but the Corvair set up should be fine, just make sure you magna flux and check the runout, after all they are 50 years old!

Sam

Sam Halkias
Halkias Performance Services
614-582-0232

On Oct 3, 2016, at 6:17 PM, Diesel Performance Parts - Mark <info at dieselperformanceparts.com<mailto:info at dieselperformanceparts.com>> wrote:

That looks like the old style modified Corvair axle to me. I got one set on a car too, sort of makes me uneasy now………

Mark Craig
Diesel Performance Parts, INC.
411 Allied Drive
Nashville, TN 37211
866-455-7788 Phone
615-834-9923 Fax

www.dieselperformanceparts.com<http://www.dieselperformanceparts.com>

From: Fot [mailto:fot-bounces at autox.team.net] On Behalf Of Dustin Nicholson
Sent: Monday, October 03, 2016 11:41 AM
To: Duncan Charlton <duncan.charlton54 at gmail.com<mailto:duncan.charlton54 at gmail.com>>; fot at autox.team.net<mailto:fot at autox.team.net>
Subject: Re: [Fot] broken axle

Duncan, not a lot more to tell about the axle unless you saw something I didn't. It was a used competition axle that I got almost three race weekends out of. Unknown brand but larger diameter shaft than stock and one piece design. It's funny, I guess I have a better track record racing with stock axles than upgraded ones.

The incident itself was uneventful, braking hard and down shifting for a slow turn after a long straight. The right rear corner dropped a couple inches turning me sideways then I slid off track left. I could see my wheel keep going several hundred feet. When I came to a stop I chuckled and thought that's just part of this sport. Easy to laugh about it when no people or cars where hurt... much.

Photos attached.

Dusty

Sent from my T-Mobile 4G LTE Device

-------- Original message --------
From: Duncan Charlton <duncan.charlton54 at gmail.com<mailto:duncan.charlton54 at gmail.com>>
Date: 10/3/16 9:09 AM (GMT-06:00)
To: Dustin Nicholson <nicholsondustin at yahoo.com<mailto:nicholsondustin at yahoo.com>>
Cc: Greg Blake <gblake58tr3 at icloud.com<mailto:gblake58tr3 at icloud.com>>, D V <explore8 at outlook.com<mailto:explore8 at outlook.com>>, FOT list <fot at autox.team.net<mailto:fot at autox.team.net>>
Subject: Re: [Fot] Toyo R888 - tyre pressures?

C’mon, Dusty, tell the rest of the news about the broken axle…

Duncan Charlton
Elgin, Texas USA

On Oct 3, 2016, at 7:14 AM, Dustin Nicholson <nicholsondustin at yahoo.com<mailto:nicholsondustin at yahoo.com>> wrote:

I tried a couple of different pressures this weekend at MSR - Houston . My best times were with a cold tire pressure of 28, hot was about five degrees higher.

In other news, I broken an axle on turn 11 and got to watch my right rear tire make it all the way to turn 13! Spitfire breaking and axle? Same old story, new Storyteller.

Dusty

Sent from my T-Mobile 4G LTE Device

-------- Original message --------
From: Greg Blake <gblake58tr3 at icloud.com<mailto:gblake58tr3 at icloud.com>>
Date: 9/28/16 8:42 PM (GMT-06:00)
To: D V <explore8 at outlook.com<mailto:explore8 at outlook.com>>
Cc: FOT list <fot at autox.team.net<mailto:fot at autox.team.net>>
Subject: Re: [Fot] Toyo R888 - tyre pressures?

That's consistent with what I've found with the R888 pressures.

I am faster with R888s but that's likely due to going from 60s to 50s.

Sent from my iPhone

On Sep 28, 2016, at 2:32 PM, D V <explore8 at outlook.com<mailto:explore8 at outlook.com>> wrote:
I believe the website says 32-38 hot with temps 160-220.

Be curious to hear what others say. I think my car is faster on the Hoosiers.

Wish I was going to COTA with you guys in Nov.

Sent from my iPhone

On Sep 28, 2016, at 10:33 AM, Robert MacKenzie <list at mackenzie.aero<mailto:list at mackenzie.aero>> wrote:
What cold tyre pressures are you using for the R888s?

The car is a '62 Spitfire - 1425 Lbs with 5.5x13 wheels  The tyres have been shaved and heat cycled.

I have heard that they work best hot in the low 40 psi range and you should start off at 33-35 psi.

Looking for others thoughts and experiences.

Thanks

Robert MacKenzie
robert at mackenzie.aero<mailto:robert at mackenzie.aero>

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