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Old 14-10-17, 08:35 PM   #1
Dan_pt
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Default AC Sociable engine

I saw this engine for sale on here and Facebook and as it is a bit unusual thought it would make an interesting addition to the collection....... And that it wold go well with the Unidentified Twin..



I collected it today and generally I am very happy with what I've got. Compression is massive and there is no lift in the bearings or knocks, the carb and magneto are both wrong, the former looks like a bike unit and the latter is from a V engine......... unfortunately it has been run with the unused HT lead out not earthed. It does spark but it will only run for a few seconds at a time so it is most probably toast.
Apparently, the lubrication is total loss and there is a little foot pedal fitted to prime the system from a small reservoir under the carb.

Just like the twin, the crankcase is very compact and it is "hung" from bearers higher up on the main casting, the seller said it is c1914.

Dan.

Last edited by Dan_pt; 14-10-17 at 08:41 PM.
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Old 14-10-17, 08:55 PM   #2
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Thought it was billed as an Auto Carriers (AC) engine though, as I observed on FB, it hasn't got the usual friction driven cooling fans.

EDIT; I suspect that mag will be eminently saleable if the V angle matches some very expensive vintage motorcycle!

NHH

Last edited by nickh; 14-10-17 at 09:01 PM.
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Old 14-10-17, 08:58 PM   #3
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Indeed it was but I found this on the web..

https://www.bonhams.com/auctions/23513/lot/72/

Maybe they were two of the same?

And yes, the fans are missing.......

Dan.
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Old 14-10-17, 09:15 PM   #4
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Warrick were from my home town, infact I worked just around the corner from their old premises. An interesting engine, you have a knack of finding 'different' engines to the norm Dan!

Pete.
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Old 14-10-17, 09:17 PM   #5
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What are the scallops cut into the barrel's cooling fins for, and is there another set the other side ?

Neil.
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Old 14-10-17, 09:22 PM   #6
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Looking at photos it looks like the fans were mounted via a band to the two bolts either side of the indentations on the cylinder.

Nice engine though, I look forward to your work with it.
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Old 14-10-17, 09:48 PM   #7
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That is interesting, I think (though it's a long time since I've seen one) the AC fans were mounted on cast in bosses. Otherwise extraordinarily similar engines right down to that circular cover which would normally have "Auto carriers" on it in the AC version.

EDIT; just looked at a couple of pics of AC Carrier and sociable engines and the fans do seem to be mounted on a band just the same so probably faulty memory regarding cast in bosses.

NHH

Last edited by nickh; 14-10-17 at 09:59 PM.
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Old 14-10-17, 09:48 PM   #8
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Quote:
Originally Posted by Hornet 6 View Post
What are the scallops cut into the barrel's cooling fins for, and is there another set the other side ?

Neil.
I wondered if they were relieved to give clearance for the fan hubs, they are present on both sides.
Pete, I do like uncommon engines..... at least this one has a name though!

I will post some pictures from other angles tomorrow. The "trolley" is an abortion and will be disposed of. The metal base looks like it was cut from the case of a scrap washing machine!

Dan.
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Old 14-10-17, 10:04 PM   #9
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I just Googled AC Sociable car and although the bodywork is obviously different the running gear appears to be very similar.

https://www.google.co.uk/search?q=AC...F40-1Vuwc1xBM:

What are my chances of finding some fans then..

Dan.
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Old 14-10-17, 10:06 PM   #10
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Quote:
Originally Posted by Dan_pt View Post
(snip) I do like uncommon engines.....
You really do need my Douglas!

NHH
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