Michael Gilligan | 05/11/2015 15:04:32 |
![]() 23121 forum posts 1360 photos | Posted by John Stevenson on 05/11/2015 13:45:52:
... Not sure if it gives access to all the relevant pages. MichaelG. Yes Pages 68, 69 and 70 cover the subject . Thanks for the confirmation, John I posted whilst on the 'bus, using an iPod Touch; so was struggling a bit. MichaelG. |
Steve Withnell | 05/11/2015 18:50:28 |
![]() 858 forum posts 215 photos | Thanks Michael for saving me scanning the book!
These are the gears I cut for the Victoria using the parallel depth method. Regards
Steve |
Russell Eberhardt | 05/11/2015 19:19:00 |
![]() 2785 forum posts 87 photos | Posted by Douglas Johnston on 05/11/2015 09:31:02:
In my 1988 edition of Ivan Law's book, both formulae on page 106 use sin, neither using cos. Should both change from sin to cos or just the one for the small end? Doug Sorry, it's the old eyesight failing. My copy of the book has exactly the same scribbles as Neils. Both formulae should use cos. Russell. |
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