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Member postings for Dave Shield 1

Here is a list of all the postings Dave Shield 1 has made in our forums. Click on a thread name to jump to the thread.

Thread: Powder coating
02/03/2020 18:15:34

It was rubbish on my boat self steering gear as well.

Thread: Small milling machine
23/02/2020 18:46:49

Mr. Tom Senior is a great machine

Thread: Long bed lathes affected by the tide
08/12/2019 18:10:13

Worked in a hanger years ago that was very close to sea level, some states of the tide made it very difficult to open the hanger doors.

Thread: Brass sheet
24/10/2019 18:44:50

Use M-machine, Very good service

Thread: Water in fuel
25/09/2019 18:39:57

Worked on Beverly and Argosy aircraft both had water/meth injection.

Car engine sounds much different on a damp misty day, natural water injection.

Thread: Ebay site changes for the worst
18/09/2019 18:03:50

Old money

Thread: Quicksilver
05/06/2019 18:38:43

Back in the old days while serving in Aden I used to wash with a soap containing mercury, it seemed like a good idea, skin problems were common due to the high humidity and temperature. Found out years later that it was causing problems with behavior of people in east Africa. Could explain some mood shifts at the time.

Thread: Bevel gears again
28/04/2019 18:08:37

Thank you for all your help. Set every thing up as close as I could and went for it. Here is a pic. of the results, certainly ok. for a traction engine not certain about my car though.

Fowler diff

Thread: Dore Westbury Mill
17/03/2019 19:12:04

I built a Dore Westbury over 40 years ago, maybe I asked too much of it or my building skill was not good enough, but was a bit disappointed with it.

Bought a Tom Senior and have not looked back. The Dore is a fine bench drill.

Thread: Bevel gears again
09/01/2019 18:31:13

Thank you for replying to my problem.

I used cos. in the calculations and came out with 11.595 for the teeth on the pinion. I did expect problems as it is a small pinion with relative large teeth and outside the range of a No. 8 cutter. However there was pictures on MJ's site showing what the pinions look like when finished. Inspection of the pictures seemed to indicate a smaller No. cutter.

I think my problem is that I tried to combine cutting a true bevel gear with a parallel depth one. For the cost of a bevel gear cutter to be used twice, the gears cut by MJ Eng would be well worth it, but not so much fun.

I have worked on the dark side all my life, electronics, instrumentation, and electrics, good to work on problems you can see.

Cheers Dave

08/01/2019 18:40:46

Can anyone please advise

I am building a MJ ENG 2" scale Fowler compound road loco and I am having trouble cutting the gears for the diff.

Started with the pinions,less to mess up,and finished up with large gaps and very thin teeth.Tried both parallel and tapered depth.

DP 8, cutter No.8, 11 teeth.

I have read Ivan Law's book and various items on the tinter web,and suspect that it needs a No. 7 or 6 cutter. The calculations call for a No.8 cutter.

Had no problems with the spur gears.

Cheers Dave in Cornwall.

Thread: X2 Mini Mill - Motor Armature
18/07/2018 17:27:36

Had problems like that on a washing machine.

The brushes were floating off the armature when the motor was ramping up.

Dave Shield

Thread: Dore-Westbury drawings.
10/12/2017 17:57:54

If you live in Cornwall I have the drawings for a D-W as built in the 70s

Dave

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