F
fly_cubs
Guest
Any know what tach they were using in 1940? I know they were black faced, but were they made by Waltham or Stewart-Warner?
Also, for you guys without recording tachs, what's your method of estimating engine time?
Thanks!
Tim
Fly Cubs!
Also, for you guys without recording tachs, what's your method of estimating engine time?
Thanks!
Tim
Fly Cubs!