Nope, but i couldn't hold my hand on it for more than about 5 seconds - too hot for my liking.
I'm going to pick up one of those big packs of assorted pinions.
That combined with a 90 tooth spur will give me a whole bunch of ratios to choose from.
http://cgi.ebay.co.uk/ws/eBayISAPI.d...m=110001477602