Piston/Cylinder O Ring Fit for a Smooth Running Model Steam Engine.

Free engine plans at myfordboy.blogspot.com I belive the secret for a smooth runner is a good piston to cylinder O ring fit. If the fit is too tight the engine may run perfectly well on compressed air but not on steam. Here I show my method. The piston is slightly undersize and does not touch the cylinder walls.

The Myfordboy Steam Roller Part 1. Double Acting Engine for a Mamod.
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The Myfordboy Steam Roller Part 1. Double Acting Engine for a Mamod.

Built An Insane Long Motorcycle From Scrap To Haul 200+ Logs
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Built An Insane Long Motorcycle From Scrap To Haul 200+ Logs

Ernst Plank Large Hot Air Stirling Cycle Engine
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Ernst Plank Large Hot Air Stirling Cycle Engine

Best Engine Ever…🔥 Rare Old Engines Starting Up Sound That Will Blow Your Ears
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Best Engine Ever…🔥 Rare Old Engines Starting Up Sound That Will Blow Your Ears

Customer Says his 5000LB, 15HP, SINGLE CYLINDER, 2 STROKE ENGINE wont run.  Can I get it running???
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Customer Says his 5000LB, 15HP, SINGLE CYLINDER, 2 STROKE ENGINE wont run. Can I get it running???

Cracker Model Live Steam Locomotive. Part 1 Making the Cylinder.
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Cracker Model Live Steam Locomotive. Part 1 Making the Cylinder.

I Assembled a Tiny 7cc Hit And Miss Engine, and its awesome!
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I Assembled a Tiny 7cc Hit And Miss Engine, and its awesome!

Unbelievable Smart Worker & Hilarious Fails | Construction Compilation #7 #adamrose #smartworkers
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Unbelievable Smart Worker & Hilarious Fails | Construction Compilation #7 #adamrose #smartworkers

This Engine Breaks ALL the Rules
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This Engine Breaks ALL the Rules

Making Model Steam Engine Castings in the Home Workshop
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Making Model Steam Engine Castings in the Home Workshop

This tiny 16cc Diesel engine had some gremlins, I fixed it up and ran it.
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This tiny 16cc Diesel engine had some gremlins, I fixed it up and ran it.

The Myfordboy Steam Roller. Part 2 Boiler. A Re -Engineered Mamod
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The Myfordboy Steam Roller. Part 2 Boiler. A Re -Engineered Mamod

Best Engine Ever…🔥 Rare Old Engines Starting Up Sound That Will Blow Your Ears
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Best Engine Ever…🔥 Rare Old Engines Starting Up Sound That Will Blow Your Ears

Can We Make This 50 Year Old HO Steam Locomotive Run Again?
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Can We Make This 50 Year Old HO Steam Locomotive Run Again?

🔥 Caterpillar Front Differential Exploded Under Heavy Load – Complete $10,000 Rebuild
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🔥 Caterpillar Front Differential Exploded Under Heavy Load – Complete $10,000 Rebuild

Build Review --RETROL HM-01 7cc Model Hit and Miss 4-stroke Horizontal Internal Combustion Engine
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Build Review --RETROL HM-01 7cc Model Hit and Miss 4-stroke Horizontal Internal Combustion Engine

Revealing The SPECIAL TECHNIQUE Of A Pakistani Man To EXTRACT GOLD From Used Motherboard Waste
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Revealing The SPECIAL TECHNIQUE Of A Pakistani Man To EXTRACT GOLD From Used Motherboard Waste

Unbelievable Smart Worker & Hilarious Fails | Construction Compilation #18 #construction #adamrose
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Unbelievable Smart Worker & Hilarious Fails | Construction Compilation #18 #construction #adamrose

1961's Live Steam Road Roller - Mamod - Restoration
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1961's Live Steam Road Roller - Mamod - Restoration

How Train Tracks Are Manufactured – This is How Train Tracks Are Made - Tudo Tech HD Channel
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How Train Tracks Are Manufactured – This is How Train Tracks Are Made - Tudo Tech HD Channel