On my Hotted up Mini I had when I was an apprentice, some of the good bits on the engine was a Dowty 4 blade variable pitch fan. They were supposed to give the engine 2 extra HP. I never had any overheating problems either. Is there any one who still sells them. I missed one on EBAY a couple of years ago - it was in the USA.

see http://mk1-forum.net/viewtopic.php?f=7&t=9611

[edit] bugger, it's sold. Anyhow there's a good pic of what they are/were.

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DrMini- 1970 wasaMatic 1360, Mk1S crank, 86.6HP (ATW) =~125 @ crank, 45 Dellorto (38 chokes), RE282 sprint cam, 1.5 rockers, 11.0:1 C/R.

Yes! They are pretty rare these days - like hens teeth.

What about a flexi fan? Don't know if they come in mini size.

I'd say these days electric fans have replaced the need for them.

Personally, I like my 16 blade metal one, unlike plastics it still has all its blades on!

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DrMini- 1970 wasaMatic 1360, Mk1S crank, 86.6HP (ATW) =~125 @ crank, 45 Dellorto (38 chokes), RE282 sprint cam, 1.5 rockers, 11.0:1 C/R.

The Doc's right, flexi type fans might use less HP, but electric uses almost zilch, and are a fair bit safer than a slicer dicer flexi fan.

Thanks for all the info. I am restoring a '69 MkII 'S'. I'll stick with the original plastic fan.

I thought that the original was a steel fan

1970 Cooper S, Mini K and `Matic all had a plastic fan. Not sure when these started, but my `69 Matic had a plastic one too.
Both my Matics had a white plastic one.

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DrMini- 1970 wasaMatic 1360, Mk1S crank, 86.6HP (ATW) =~125 @ crank, 45 Dellorto (38 chokes), RE282 sprint cam, 1.5 rockers, 11.0:1 C/R.

Just looked at photos of my 1970 MK2 S and it had a plastic fan.