F1technical.net

The somewhat less successful 1991 M291 3.5 Flat-12 Group C engine;

A couple of golden oldies.. ..wild rides.. ..even now..

http://www.odd-bike.com/2012/11/curtiss ... cycle.html

http://www.fastbygast.com/H-2%20parts.htm

A couple of wild rides.. ..even firing multiples of 3 sound.. ..'musical'..

http://www.youtube.com/watch?v=1N5rm0glYwY
http://www.youtube.com/watch?v=M9I7GWllPFY

Like the old ones? Here's a beauty of a board track racer Now that took huge attachments

& Len Setright's pick.. ..the mighty Napier Sabre..
http://www.hawkertempest.se/index.php/c ... k-setright

Perhaps it's time to open an MC-thread?

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Lancia crank and pistons

& for those who figure stats into their enjoyment of engine porn, check this out..
Napier Sabre Mk 7, rated at 3,500hp/3,850rpm @ +20lbs boost for take-off, @ BMEP OF 321Lbs Sq in

http://www.wwiiaircraftperformance.org/ ... _Sabre.pdf

A bit filthy, but a 1973 Kawasaki 350 Bighorn. A little bit modified.

Yeah Uniflow, 'a bit'.. ..bloody good effort..
& looks like 'a bit' more port area/number of ports - are featured in that cyl - than Kaw originally intended..

Rolls Royce R in a Supermarine S.6b

& the massive V16 - mother of all Mopar Hemis.. http://www.allpar.com/mopar/hemi-aircraft.html

I find this pretty interresting Transverse mounted V5 motoGP engine. There is actually one of these running road legal in my area