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Not a Matheson Mystery. (upd. NO Austin ! )

Philip Matheson of Australia wrote us: "This is the unidentified engine found by my father, Henry Matheson. A visitor to the local museum suggested I try asking your readers if they could help."

Editor: of course we will gladly help. Especially as father and son were kind kind enough to provide us with lots of useful information and specs. One thing is sure, this is a very nice T-head, but not one of the famous marque from Wilkes Barre, PA, USA...

Engine specifications: rotation: counter clockwise / Bore: 4 .5 inches. Stroke 4 .75inches / Twin camshafts / Side Valve / Roller cam followers / External Oil system; total loss? (missing from engine) / Dual Ignition: ? Magneto +? / Cone clutch / No manufacturer markings or stamps on the engine / Big ends have 4 bolts on each, which go through the rods and threaded into the rod caps with lock nuts / Rods made from bronze like material and have no big end bearing, runs in the rod material / Crankshaft mounted in the sump." Who can help?

   

Pubblicato:
domenica giugno 10th, 2012
Wilson
07 Ottobre 2024, 22:59
The National Automobile & Electric Co. of Indianapolis, Indiana. 1908 National Model N.
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15 Giugno 2012, 10:03
Actually, I just re-read the article, and you've stated that there are no markings anywhere.
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15 Giugno 2012, 09:57
Do you know if the threads used in the engine are metric, Whitworth or US imperial? and does the engine have a serial number somewhere? suggesting more than one was made?
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15 Giugno 2012, 05:38
Thank you for taking the time to look at our engine, BUT I can say it is NOT an Austin. The only thing in common would be the T heads, but as you know many types use them. I have over the past few years sent many photos to England and the USA but still no roof of ID, your assistance would be greatly accepted. We have been told it is a White & Poppe, but that also seem incorrect. I sent photos to The Coventry Transport Museum, London Fire Brigade Museum, Anson Engine Museum to name a few.Please any more info would be great.
thanks very much



Phil Matheson Australia.
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12 Giugno 2012, 19:13
What a find, definitely Austin! Good luck with your research.
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12 Giugno 2012, 06:39
I agree it is similar to an Austin engine but there also seem to be a number of differences. Also all the Austin engines I have seen show "Austin" on the crankcase covers.
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11 Giugno 2012, 11:08
I don't know what it is, but i want it!
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11 Giugno 2012, 10:07
Seems similar to the Austin 1910 18/24 but the plumbing is different- the Matheson motor has dual ignition, priming taps in the centrte and water outlets on the sides of the head. The bronze Zenith updraught carburettor looks very Austin.

Tony.
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11 Giugno 2012, 05:45
Very early Austin?
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11 Giugno 2012, 01:07
First look at the picture from above and it looks like the big six cylider Austin GP car so I google Austin 18/24 which I knew to be a pre WW1 road going model and voila - http://www.flickriver.com/photos/austin7nut/sets/72157623274430678/ - not sure exactly which model it is though . There are experts here in NZ who could give a more positive answer.
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