1926, Bullnose Morris Oxford 3/4 coupe

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Re: 1926, Bullnose Morris Oxford 3/4 coupe

Post by CLASSICFORDSPARES » Sun May 18, 2014 9:06 pm

Wonderful - things of beauty all of them



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Re: 1926, Bullnose Morris Oxford 3/4 coupe

Post by alan.wells » Wed Jul 02, 2014 9:26 pm

Well disaster strikes, a couple of days ago after 250 ish miles and for no reason I heard a couple of clunks or knocks which appeared to come from behind the dash board whilst going in second gear, I spoke to one ore two colleagues that that have Bullnoses for advice, the vehicle still ran but when the engine was put under load on the road the knock continued intermittently, after checking the gearbox, the UJ at the rear of the gearbox, no problem found, but just by chance I thought that I would have a look at the oil lever in the rear axle, which was ok, then as what a little lad would do, he would stick his finger in, and guess what, I felt a small piece of metal, so magnet wand out and found an assortment of metal meshing teeth, so rear cover off and all was revealed, 8 broken teeth on the crown wheel an 1 large piece of pinion. :(
Phone calls tomorrow to try and locate replacement, and don't know how long this problem is going to be until it's resolved.
Regards
Alan
Attachments
P1010589 (Small).JPG
Part of the pinion broken off
P1010589 (Small).JPG (67.83 KiB) Viewed 2285 times
P1010585 (Small).JPG
P1010585 (Small).JPG (109.23 KiB) Viewed 2285 times
P1010575 (Small).JPG
Damaged teeth on crown wheel
P1010575 (Small).JPG (93.03 KiB) Viewed 2285 times


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Re: 1926, Bullnose Morris Oxford 3/4 coupe

Post by 747PETE » Wed Jul 02, 2014 10:20 pm

Hi Alan,
I keep in touch with a chap whose Scimitar I nearly bought last year.Now,he too is a Bullnose owner and may be able to help/offer advice.I can drop him an e-mail if you like.Shame about the set back.
Peter



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Re: 1926, Bullnose Morris Oxford 3/4 coupe

Post by alan.wells » Wed Jul 02, 2014 11:04 pm

Peter,
The Bullnose club has a spares section, and the Cooke Group also carry spares, but I will only be able to make contact tomorrow.
Many thanks for concern, I will post the outcome.
Kind Regards
Alan


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Re: 1926, Bullnose Morris Oxford 3/4 coupe

Post by Roger Pennington » Wed Jul 02, 2014 11:47 pm

Sorry to hear that, Alan, I hope you do manage to track down a solution :(


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Re: 1926, Bullnose Morris Oxford 3/4 coupe

Post by alan.wells » Thu Jul 03, 2014 3:17 pm

Well good news and bad news and good news to day, the good news is that the crown wheel and pinion are available, bad news is when I removed the prop shaft with pinion from the torque tube, the taper for the pinion had virtually worn through as shown in the picture, the second good news is that a modification to the prop shaft that will replace the damaged taper, this will take up to 2 weeks, so not to bad, and don't ask about the cost. Just as a note the damaged differential and pinion in the car is not original to the car, 57 teeth on the crown and 12 on the pinion, ( 57/12 ) this one is for a Cowley, it should be 53/12 giving a higher cruising speed for the Oxford, which is the one I intend to replace it with.
Regards
Alan
Attachments
P1010592 (Small).JPG
worn pinion taper on the prop shaft
P1010592 (Small).JPG (78.69 KiB) Viewed 2201 times
P1010594 (Small).JPG
damaged pinion
P1010594 (Small).JPG (84.37 KiB) Viewed 2201 times
P1010595 (Small).JPG
Rear thrust bearings and pinion assembly
P1010595 (Small).JPG (104.35 KiB) Viewed 2201 times


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Re: 1926, Bullnose Morris Oxford 3/4 coupe

Post by tony.idle » Thu Jul 03, 2014 3:51 pm

If you hadn't spent all this time tearing about the place to impress June that wouldn't have happened :mrgreen:


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Re: 1926, Bullnose Morris Oxford 3/4 coupe

Post by alan.wells » Thu Jul 03, 2014 4:03 pm

Tony,
June's still not impressed, I'm still running in, so its gently, gently , but that doesn't seem to make any difference, see you Monday.
Alan


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Re: 1926, Bullnose Morris Oxford 3/4 coupe

Post by Roger Pennington » Thu Jul 03, 2014 4:11 pm

That looks a nasty piece of mechanical carnage Alan :shock: Glad to hear there's a fix, anyway.

(maybe you should think about launch control and an LSD?....) :wink:


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Re: 1926, Bullnose Morris Oxford 3/4 coupe

Post by 747PETE » Thu Jul 03, 2014 7:51 pm

Alan,that pinion looks like a textbook case of metal fatique where the Woodruff key slot has been machined to a very hard straight edge.The land under the gear tooth may well have been weakened,the land under the other teeth being much deeper.Just an observation thats all.Glad you can fix it.



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Re: 1926, Bullnose Morris Oxford 3/4 coupe

Post by alan.wells » Fri Jul 25, 2014 9:30 pm

Hi All,
Well good news, the Bullnose is back on the road, I have covered approx 20 miles over the past couple of days and all seems ok up to now, it will be in attendance at Curborough but unfortunately will not be competing in the Auto test, 0 to 40 mph in about 50 seconds, I now have the big grin on my face again. :lol:
Regards
Alan


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1926 Bullnose Morris
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Re: 1926, Bullnose Morris Oxford 3/4 coupe

Post by Elizabeth's dad » Fri Jul 25, 2014 10:05 pm

I'm looking forward to seeing it. :)


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Re: 1926, Bullnose Morris Oxford 3/4 coupe

Post by CNHSS1 » Fri Jul 25, 2014 10:41 pm

alan.wells wrote: but unfortunately will not be competing in the Auto test, 0 to 40 mph in about 50 seconds,Regards Alan

Very noble Alan, good of you not to out drag the Hovis Haulers in the autotest, be a shame to show 'em up at their National sporting weekend...;-)


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Re: 1926, Bullnose Morris Oxford 3/4 coupe

Post by Oaksey » Fri Jul 25, 2014 10:49 pm

Looking forward to seeing it at Curbs Alan, gutted that you won't be using it for the Autotest though ;)


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Re: 1926, Bullnose Morris Oxford 3/4 coupe

Post by tony.idle » Fri Jul 25, 2014 11:38 pm

alan.wells wrote:
.................... 0 to 40 mph in about 50 seconds ....................
Regards
Alan
No wonder the diff broke. Probably lost the will to live :mrgreen:


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