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91
Your Own Design / Re: Mercedes-Benz W165 Grand Prix engine in 1:3 scale
« Last post by Michael S. on June 12, 2024, 08:27:24 AM »

Excellent job Mike!
An absolute highlight.
Does Mercedes-Benz actually know that you build such a model engine?
They will want a number 2 from you for their museum 😁

Michael
92
Your Own Design / Re: Kearsarge Windlass Engines
« Last post by john mills on June 12, 2024, 08:05:48 AM »
the engine i see are old so we never know the complete history how they were originally the parts could have been changed a number of times in
its woking life by deferent fitters of varying skills.
Johnl 
93
From Kits/Castings / Re: Clarkson Twin Horizontal Steam Engine
« Last post by Jasonb on June 12, 2024, 07:12:07 AM »
It's probably still sitting there, if you speak to him put my name on it pls

Clarkson "HM" _ Horizontal Metric

Cyl and bearing height correct
Cyl base fits pad on base & fixings added
Piston does not hit end covers
Trunk Guide does not need notches to clear Conrod (round)
Bronze main bearings
Bronze big end bearing
Optional wider rim for flywheel
And several other small details
Nuts Studs and cleading to ad.
94
Chatterbox / Re: An idea I had for a camless 4 stroke engine.
« Last post by Admiral_dk on June 12, 2024, 06:33:45 AM »
There are a number of Planet-Gear Calculators online - like :
https://www.thecatalystis.com/gears/

Per     :cheers:
95
Vehicles & Models / Re: Pennsylvania A3 Switcher (Kozo)
« Last post by Kim on June 12, 2024, 05:53:37 AM »
Thanks Chris, Jeff, and Ron!  :cheers:

Yes, I agree.  These little fabrications are really quite satisfying!  And there are a LOT of them in this build!

Kim
96
Your Own Design / Re: Squint Scale Curtiss Model K Aero I4
« Last post by Kim on June 12, 2024, 05:51:10 AM »
Thanks, Ron.  I'm sorry that he can't sell his spark plugs anymore.  I know many people really liked them. But I'm glad it doesn't seem that it was for health reasons or anything. That's nice to hear at least.

Kim
97
Your Own Design / Re: Mercedes-Benz W165 Grand Prix engine in 1:3 scale
« Last post by Art K on June 12, 2024, 03:41:27 AM »
Mike,
What you have done kind of boggles the mind, quite amazing. Look forward to each installment.
Art
98
Your Own Design / Re: Kearsarge Windlass Engines
« Last post by crueby on June 12, 2024, 01:23:58 AM »
Hi
I have word on some stationary  and portable full size engines and have seen these wedges often coming loose and had to knock them back in
i see holes in the wedge so a wire or a pin can be fitted so they cannot fall completely out may be they are not fitted well enough or not hit in tight enough but it looks like on these engines there is difficulty in keeping them tight.
your engines are looking amazing.
John
Thanks John!

I'm sure the angle of the wedges makes a big difference, just like on a taper pin. Too steep and it will work loose easier. Too shallow, and you have to get the height JUST right or it will go right through the slots. As you say, I've seen some with set screws, mainly on bearing wedges, but I've never looked close at the other type (haven't noticed them much!)  Just looked back through the Holly pump engine original blueprints, they specify a 3/4" per foot taper on the wedge, did not use any cross pin or set screw.


I bet in some of the old textbooks there are guidelines on this...
99
Your Own Design / Re: Kearsarge Windlass Engines
« Last post by john mills on June 12, 2024, 12:27:33 AM »
Hi
I have word on some stationary  and portable full size engines and have seen these wedges often coming loose and had to knock them back in
i see holes in the wedge so a wire or a pin can be fitted so they cannot fall completely out may be they are not fitted well enough or not hit in tight enough but it looks like on these engines there is difficulty in keeping them tight.
your engines are looking amazing.
John

100
Your Own Design / Re: Mercedes-Benz W165 Grand Prix engine in 1:3 scale
« Last post by Mike R on June 12, 2024, 12:02:00 AM »
Mike,

This made my day - another installment of your wonderful build.  Thanks for sharing with us.

Mike
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