sciencejunk's channel
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3 months ago
Detailed Apple Scratter Construction Photos
These are some more complete photos on how barrel for the scratter was built without using a lathe. The feed design needs to be changed and the cut...
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3 months ago
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4 months ago
Home Made Apple Scratter
My home made apple scratter powered by 4HP Honda engine. Designed to be dismantled for transportation and storage. It uses a 10 inch x 10inch lamin...
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4 months ago
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The apples are pressed for juice and cider. This machine pulps them because pressing whole or even chopped apples is ineffective.
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4 years ago
Grasshopper Beam Engine
Grasshopper Beam Engine constructed to study the geometry that produces the parallel motion of the piston rod. In this model the power is provided ...
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5 years ago
MK IIA Heat Engine (Stirling Engine)
The MK I and MK II have now evolved into a reliable model which demonstrates the principles of this type of engine. It fulfilled my target by runni...
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5 years ago
Mk II heat engine made from cans
My second attempt at a heat engine, building on the lessons learnt from the Mk I (also on youtube). Improvements this time:
The cold end (top) of ...
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5 years ago
MK I heat engine made from bean cans
First attempt at building a heat engine using available junk only. Amazingly it works (just), but it wouldn't pull the skin off a rice pudding. No ...
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About sciencejunk's channel
I must have been making my scratter (also on YouTube) about the same time as you. I started in just the same way. I used 20mm oak boards and laminated them at 90 degrees with stainless screws embedded too. the final drum was 250 x 250mm. My mistake was to use too many screws on the face of the dr...