Model engineering
Wilf Millington | 03/11/2012 09:13:46 |
4 forum posts | Hi Does anyone know the fomulae for scaling down 7 1/4" drgs to 5" many thanks wilf |
Eric Cox | 03/11/2012 10:27:32 |
![]() 557 forum posts 38 photos | Divide the 71/4" dimension by 1.45 7.25" / 1.45 = 5" |
colin hawes | 03/11/2012 12:27:43 |
570 forum posts 18 photos | Wilf,you should be aware that the cross section of scaled down rods is is subject to a reduction in strength to only about 0.475 of the original design for your scale change and this may mean increasing their scaled sizes or using higher spec. materials in some stressed components. Colin |
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