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Bill -
Emkay does not specify the grade but I would imagine a chuck held only by three 1/4 coarse-threaded countersunk screws is hardly in the sort of territory where every last ounce per square inch of shear stress counts.
I d be surprised if the original screws were anything special, though I d trust a regular model-engineering supplier to sell reasonable-quality fittings rather more than anything on Eeh-by-eck.
Speedy-Builder -
I think Bill wants a rather more elegant solution than that but anyway he d still need find 1/4 BSW bolts - and though he did say bolts , bolts or screws?
Boring head finish | Model Engineer model-engineer.co.uk - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from model-engineer.co.uk Daily Mail and Mail on Sunday newspapers.
Ah - Radio Luxembury and Radio Caroline - that brings back memories and dates me at the same time.
As a young student in 1964 I and a few friends lived in rented a semi-basement flat in Plymouth, I had a good old valve radio, but Luxemburg was hard to pull in, very faint.
Then I realised that the phone line that had been put in when the previous married tennants were expecting and needed a phone for the babys arrival was still in place, the handset had gone but the line was in place.
Eureka! Aerial lead from radio was promptly connected to the phone line and now I had a really effective radio aerial of how ever long it was! Didn t look - didn t dare, anyway at that age, who cared!
Nicholas -
I don t agree orthographic elevations are automatically confusing. I take your point about Fusion labelling the views but you can do that in 2D or 3D, on screen or on paper.
That s not the difficult part. Your tool-grinder table would be little harder to understand in a standard orthographic form than in your rendered illustration.
I do agree some of the more advanced manual drawing techniques such as oblique views and isometric circles are not straightforward, as I recall from a full GCE A-Level Technical Drawing course; but CAD introduces its own difficulties and concepts. It is very different, giving more contrast than comparison.