ferrettkitt Posted January 5, 2008 Share Posted January 5, 2008 I've received this question through my contact email on my website. I haven't been able to help so I've emailed the original sender Simon and asked if he minds me placing the question on this forum. Hopefully someone here might be able to help? Sounds interesting! Andy Wasn't sure which topic to put this in/on Do you know anyone who specialises in pre-selector gearboxes for Ferret and the like please? I'm about 40 miles West of London. I need to construct a step-up intermediate gearbox to go between a Meteor tank engine and a heavy duty automotive gearbox for a hotrod project. My hope is that one of the epicyclic gear-trains from the pre-selector gearbox from a Ferret might have approximately the ratio I am after. The geartrain would have to have quite a large sun gear in relation to the internally toothed annulus gear, specifically the sun gear would have to have over half the number of teeth of the internally toothed annulus gear. Thank you for any help you can give Simon 0118 978 9231 simon_striebig@hotmail.com Quote Link to comment Share on other sites More sharing options...
Tony B Posted January 5, 2008 Share Posted January 5, 2008 Dodd did this some years ago with what was claimed to be a Merlin, it was a Meteor. Reputedly it could do 200 mph! Trouble was ****** journalist didn't notice the speedo was actually in KPH :dunno: He also right royally P**** off Rolls Royce by using one of their grills, especially as it was Rover built engine :-D Quote Link to comment Share on other sites More sharing options...
Topdog Posted January 6, 2008 Share Posted January 6, 2008 'The geartrain would have to have quite a large sun gear in relation to the internally toothed annulus gear, specifically the sun gear would have to have over half the number of teeth of the internally toothed annulus gear.' I hope by the end of the project the sun is shining out of your annulus :whistle: Quote Link to comment Share on other sites More sharing options...
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