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Smiths speedometer S411 - 1600
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Patternmaker9
British Columbia, Canada
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May 24, 2020 - 9:05 pm
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Speedometer currently apart and looking to understand how it works, in particular the odometer.

My first post and all very new to me at the present.

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Stoo63
GLASGOW
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May 24, 2020 - 9:50 pm
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Hi and welcome to the Forum. ** Please log in to view ** is a link to a very good thread in the FAQ section on the D-shaped speedo.

You will find just about everything you could ever want on the Forum via the FAQs and technical sections;  ** Please log in to view **

Have a good nose around the forum and enjoy your project! Looking forward to seeing your progress.

All the best,

Stewart

'52 D1 direct lighting plunger; '58 Square Four (project); '55 D3 Battery; '59 D1 direct lighting plunger;  '59 Tiger Cub; '60 5TA;  '76 FS1-E '97 Honda Sky SGX50.

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Blue Heeler
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May 24, 2020 - 11:18 pm
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Welcome over in BC. Surely you`ve chosen the most complex item fitted to a Bantam, to start tinkering with 🙂

Good luck

Blue

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cocorico
Central France
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May 25, 2020 - 7:36 am
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Hi - I know that there is a topic somewhere on the overhaul of a Chronometric speedo. Have a look through ** Please log in to view ** to find it.

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Patternmaker9
British Columbia, Canada
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May 29, 2020 - 10:09 pm
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Thanks for the help. Finding out there was a clip holding the odometer wheels in place made all the difference. The speedometer mechanism will benefit from a dip in my ultrasonic tank along with the other moving parts and I see no reason why it will not function again.

Waiting for a flywheel puller and new clutch plates to arrive at present but plenty to keep busy with as the project progresses. Will post pictures when I figure out how to do it.

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Stoo63
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May 29, 2020 - 10:44 pm
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Be careful cleaning the face. The numerals etc can smudge easily!

This is good too ** Please log in to view **

'52 D1 direct lighting plunger; '58 Square Four (project); '55 D3 Battery; '59 D1 direct lighting plunger;  '59 Tiger Cub; '60 5TA;  '76 FS1-E '97 Honda Sky SGX50.

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Isbfan
Mickleover, Derby
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June 4, 2020 - 3:55 pm
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Hi and welcome.

 

I thought you might be interested to know that at least one other member here knows what a patternmaker is. I retired a year ago after a lifetime working in the foundry industry, latterly in sales. For the benefit of those who've not come across this trade before -Very skilled guys, probably the highest, in the industry. Enjoy your Bantam-ing

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Patternmaker9
British Columbia, Canada
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June 12, 2020 - 8:42 pm
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All raring to go! Wouldn't have managed it without the help of the forum. A little white paint on the hand and we're good to go.

Figured out the picture problem too, I hope.

By the way, thanks for the compliment Isbfan in Derby.DSC00955.JPG

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Blue Heeler
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June 12, 2020 - 11:05 pm
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Superb! Great to see a skilled craftsman`s work.

How about a smoke-tinted glass face with the numbers around the top & Smiths etched along the bottom ...you can`t hide all that lovely work now 😉

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Patternmaker9
British Columbia, Canada
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June 14, 2020 - 9:08 pm
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Figured out how to post a picture but positioning the text is still to be determined.

Going to work on your suggestion Blue Heeler. Such a shame not to see all that clockwork on display.

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Blue Heeler
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June 14, 2020 - 11:28 pm
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Look forward to seeing the finished item. Providing there`s a couple or three mm gap between glass and body, shouldn`t be any condensation issues.

Let me know if you make more than one, I`d be interested, as have a 55mph  Chronometric without a face 🙂

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Patternmaker9
British Columbia, Canada
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July 1, 2020 - 6:07 am
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Two pieces of glass being etched and one will be coming your way Blue Heeler, if you like the finished product. Pictures to be posted soon.

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Blue Heeler
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July 1, 2020 - 12:36 pm
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Much appreciated. Look forward to seeing the finished result.

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Patternmaker9
British Columbia, Canada
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July 23, 2020 - 11:54 pm
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Well the second two speedometer glass prototypes have just been picked up from the engravers and look terrific. The first two had a little programming error and had to be re-done. My son and I decided that a slightly tinted glass looked the best and allowed the lettering to stand out, just as you suggested Blue Heeler. We did try engraving on the underside of the glass but the outside was more distinctive. The speedometer along with the rest of the bike are over on Vancouver island at International Classic Motorcycles being painted so when I have everything back I will make sure the glass fits and post a picture. I have one earmarked for you Blue Heeler, as it was your idea in the first place.

If the finished product sparks any interest among other Bantam Boys I'll look at making a few and put a price together.

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