Gallery, Projects and General > Neat Stuff
OPOC Engine
Bogstandard:
It definitely looks like another case of not something totally new, but an old design brought up to date, most probably by new machining methods and materials.
I always wonder at how many 'new inventions' are just rediscoveries, made possible by new techniques. A lot of the old designs and patents never got off the ground purely because they could not realistically be produced at the time.
Bogs
Bluechip:
--- Quote from: John Stevenson on March 06, 2011, 07:25:41 PM ---Commer built one for their trucks, 3 cylinder, 6 pistons, finished up at 3.53 Litres and 150 BHP
http://www.sa.hillman.org.au/TS3.htm
For some reason Wikipedia and this site are quoting the earlier engine.
Fitted in a 4 wheeler rated at 14 tons they would do 19 mpg, try asking someone with a 3.8 Jag to load 14 ton on the arse and get 19 to the gallon :lol:
John S.
--- End quote ---
That's interesting John .. didn't know they were built like that ... :thumbup:
I can remember the trucks ... quite nippy off load and hideously noisy ... but not quite as bad as a de-baffled FS1E
BC
doubleboost:
De baffled FS1E :doh: :doh: :doh: :doh:
Them were the days
At least mine had a bit of port work done as well :) :) :)
John Stevenson:
--- Quote from: Bluechip on March 07, 2011, 04:54:25 AM ---
That's interesting John .. didn't know they were built like that ... :thumbup:
I can remember the trucks ... quite nippy off load and hideously noisy ... but not quite as bad as a de-baffled FS1E
BC
--- End quote ---
Ever heard one without the silencer(s) ?
We had a phone call one day to say one was coming in later on that same day and had lost the rearmost silencer, could we get one in ready ?
About 4:00pm as we were sat down having afternoon snap, we heard this truck starting off from the lights on the A52 and start pulling up the hill.
This was about 3/4 of a mile away :doh: and he's only lost the one silencer.
DKW used to race a split twin supercharged two stroke in the pre WWII TT races in the Isle of Man, you could hear these on the Lancashire mainland when they were going full chat down Bray Hill and that's 40 miles away.
BillTodd:
Just like a Doxford standing on a mirror :)
long thread:
http://www.practicalmachinist.com/vb/antique-machinery-history/photos-big-machining-processes-doxford-sons-c1950s-181722/index5.html#post1137038
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