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Excelsior J.A.P
 Moderated by: Rick P, hugo, BeckyC  

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Frankfurt-Beesa
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 Posted: Wed Feb 14th, 2007 07:53 pm

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My boat is tipping over here. Nice!!



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DM
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 Posted: Sun Dec 2nd, 2007 05:15 pm

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Two more




Telstar
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 Posted: Sun Dec 2nd, 2007 06:11 pm

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1930 Excelsior Model 9 with a 250cc twin port 4 stroke





Oh and some interesting wiring !!:shock:

Last edited on Sun Dec 2nd, 2007 06:16 pm by Telstar



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 Posted: Sun Dec 2nd, 2007 06:41 pm

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Oh and as for model history, my library tells me the following:-

The company dated from 1874 in its original form, when it made penny farthings :shock:
and started motorcycles in 1896
in the early days they mostly made utility machines, but like most at the time would build anything they had a chance of selling

In 1929 they had their first Lightweight TT victory and so entered the '30s on a high note with a range comprising 14 models:
147,196 and 247cc villiers
300 & 490cc sidevalve jap and
245 & 490cc OHV jap's
all these plus various gearbox frame and fork combinations covered most requirements and included a TT rep.

in 1931 the added the 98cc universal - at the time the lowest price bike ever put on sale - 14 guineas

in 1933 the 149cc ohv excelsior engine was added, soon joined by a 246cc version
june '33 the 'works' 250 appeared with the mechanical marvel blackburne engine rick describes above

in '34 the range had 346cc warrior and 490cc powerplus OHV japs and 346cc marathon sv but by '35 the manxman models appeared and started to replace the jap engined bikes (though they were probably still available if you wanted one - back then most manufactures wouldnt turn down a sales opportunity just because you wanted an older model!)

Hope that helps!

Last edited on Sun Dec 2nd, 2007 06:42 pm by Telstar



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Hooli
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 Posted: Sun Dec 2nd, 2007 08:31 pm

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Telstar wrote: 1930 Excelsior Model 9 with a 250cc twin port 4 stroke





Oh and some interesting wiring !!:shock:
oh thats lovely, i'll risk the wiring riding it home if they'll take £20!



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DM
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 Posted: Sun Dec 16th, 2007 04:51 pm

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A picture of my 1931/2 Excelsior J.A.P as found, and of the engine and frame.







A picture I have been given that may be of my bike at the 1932 TT.



I am looking for pictures showing more detail of the rear frame on 31/32 machines, A 1931 Excelsior A12 seems close. Anyone know where I can find such a picture.

Thanks

DM 

DM
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 Posted: Tue Jan 1st, 2008 07:19 pm

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Another Excelsior J.A.P 500cc machine

http://www.midamericaauction.com/showvehicle.asp?VehicleID=14252

Interesting mounting of the handlebars and front brake stay.

Mitchell
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 Posted: Mon Apr 14th, 2008 03:28 pm

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Really interesting machine. Originally it would have had an Albion gearbox with external positive stop mechanism. Brakes appear to be Harwil type as used by a lot of smaller manufacturers. Are the backing plates aluminkum?

DM
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 Posted: Tue Apr 15th, 2008 07:05 pm

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Hi Mitchel,

I have now got the correct clutch and external stop gearbox plus a slightly later close ratio box.

The brake back plates on this bike are steel.

Been looking for better pictures for 2 years now with no success. Looks like I may have to make a rear frame based on similar bikes and hope it is right.

Dennis

Rick Parkington
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 Posted: Tue Apr 15th, 2008 10:10 pm

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There is a picture of a similar bike on the Stilltime.net archive, a Brooklands entry ridden by H.A.R Earle, I don't know enough about Excelsiors to be certain but it looks about the same. Might be worth a look. If you contact David Riley by email info@minibusales.co.uk he can supply a print off the original quarter plate glass negative which should be clear enough to sharpen a pencil. The picture reference is AAN256. If you mention my name he may be prepared to email you a low res copy first so you can see if it's the right thing.

Hope this helps, sorry I meant to post this ages ago!

Rick 

Mitchell
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 Posted: Wed Apr 16th, 2008 01:32 am

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The rear frame section of your bike is identical to a 1935/36 Excelsior Manxman. Colin East of Navenby, Lincs says he makes these rear frame sections to restore Manxman frames that have had swing arm and plunger suspensions fitted. Google Excelsior Manxman and you will find him. However, be warned, he will say he can do it but nothing will ever happen. Do not send him money. Ask if you can buy the rear axle lugs

Rick Parkington
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 Posted: Wed Apr 16th, 2008 02:26 pm

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I have found another picture on Stilltime. It's of Charlie Dodson on the '31 or '32 TT Excelsior JAP, this time from the opposite side to the Earle pic. Number for that one is AAS645

R

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 Posted: Wed Apr 16th, 2008 03:53 pm

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About 4 years ago i restored a 1933 Excelsior Univeral 98cc. Sold it in the end to my mate for his museum. I never liked riding it, mainly cos of the hand gear change. Picture below shows it about 95% finished. Villiers engine, albion gearbox.

Attachment: imag0015.jpg (Downloaded 71 times)

Last edited on Wed Apr 16th, 2008 03:54 pm by ClassicMCnut



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DM
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 Posted: Wed Apr 16th, 2008 04:57 pm

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Rick,

I have photo's (supplied by its current owner) of the Earle bike including one of the bare frame, plus some I took myself last year at brooklands. Unfortunately it is not the same as mine.

I am in touch with David Riley, having got his details from when you metioned him re Ariel square four photo's.  He has already sent me some low res scans to look at including the 32 Charlie Dodson one, and may have photo's of my bike once he has time to sort through the ton or so he has not looked at yet.

Mitchell,

I found Colin East back in May 06, took me over two months to get a quote/estimate (£2910) from him for the rear frame /gearbox runners / axle adjusters /footrests and mounting bolts. Also included was replacing the rear frame tube. He would not sell me the rear axle lugs.

 

Dennis

Rick Parkington
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 Posted: Wed Apr 16th, 2008 06:55 pm

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Squeak!! That's a bit scary! But I guess it's a lot of work.

My friend Frank Clarke, 77 year old wild man of vintage sprinting was regailing me with the tale of how he and his mates had sawed up an ex works Brooklands Excelsior in the early fifties. His mate Steve Cooper - ref the Johnson's cafe pic in the magazine - had used the bike on the road and achieved a certain notoriety with it among the local constabulary. He sold it but successive owners found it was too hot to handle and was a complete police magnet so after rescuing the engine and frame they scrapped the rest. When Frank got into the VMCC scene in the seventies he went to see the guy who had the motor only to find out it had gone for scrap a couple of years before. 

I didn't know the Earle bike was still about, the picture says "(Mackintosh)" next to Earle's name so I guess that was the entrant. Who rode your bike any idea?

R

 

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 Posted: Wed Apr 16th, 2008 08:24 pm

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I think Syd Crabtree was the rider, In the June 22nd 1932 Motor Cycling there is a picture of the clerk of the course and Syd Crabtree examining his bike.

It is the only picture I have managed to find showing a 1932 bike with the steering damper anchored to the petrol tank and with a rear frame that matches mine. All photos of the other 1932 senior TT Excelsiors show a different damper and frame configuration.

Dennis

 

Mitchell
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 Posted: Thu Apr 17th, 2008 04:40 am

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I have found pics of an Excelsior with tank fixing for the damper. There are lots of them so will send as much as I can. Mitchell

Attachment: Ex JAP JOR eng rt.jpg (Downloaded 63 times)

Mitchell
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 Posted: Thu Apr 17th, 2008 04:42 am

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DM, I tried atttaching 3 but only one got through. Here's another. If I had your email address i could send directly. Mitchell

Attachment: Ex JAP JOR handlebars.jpg (Downloaded 62 times)

Mitchell
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 Posted: Thu Apr 17th, 2008 04:45 am

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The bike has a Sturmey gearbox fitted which I doubt is right. I'm sure it should be an Albion. Anyhow, here's the rear end

Attachment: Ex JAP JOR rear rt.jpg (Downloaded 60 times)

Mitchell
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 Posted: Thu Apr 17th, 2008 04:50 am

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This is a restored bike and I think it was offered for auction but not by the Bookhams or similar large auction houses about a year ago around the Cornwall area. I didn't keep records only pics for a day like today so can't elborate further. I recommneded that the friend whgo sent me the pics buys it as it waqs a pukka racing maching with the extreme angles of the carb and exhaust pipe. I would like to see close ups of your rear hub as I own most of Alf Brewin's 1934 OEC-Blackburne and don't have the right offset Harwil rear wheel

Attachment: Ex JAP JOR oil tank lft.jpg (Downloaded 58 times)


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