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Forum: Aviation History and Nostalgia

9th Apr 2015, 23:43

Replies: 59

Machining before CNC/WW2 tech

Views: 13,490

Posted By onetrack

But how did they make the 1st propellor...

But how did they make the 1st propellor perfectly, to enable it to be used as the master on the copy lathe? :suspect: :confused:

Forum: Aviation History and Nostalgia

5th Apr 2015, 01:34

Replies: 59

Machining before CNC/WW2 tech

Views: 13,490

Posted By onetrack

The greatest advances in modern machining are to...

The greatest advances in modern machining are to do with cutting-tool technology.
In the old days, carbide tools were cutting edge, but they were limited in speed and loading - and many materials...

Forum: Aviation History and Nostalgia

3rd Apr 2015, 00:01

Replies: 59

Machining before CNC/WW2 tech

Views: 13,490

Posted By onetrack

I can recall where the Americans had to convert...

I can recall where the Americans had to convert Merlin blueprints to decimal fractions.
Despite both countries using the inch measurement system, the Americans had long ago changed to decimal...

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