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Type: Posts; User: brian Rupnow

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    I can see that you will soon move into a knew...

    I can see that you will soon move into a knew hobby called "neck breaking".
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    Today I made the winch drum and put the groove in...

    Today I made the winch drum and put the groove in each side that gives me the "dog clutch". The knurled round part setting beside the new winch drum is one of the original parts that has been drilled...
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    The one on the right is 1144 stress proof.

    The one on the right is 1144 stress proof.
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    Paul--the endgame is to have a hoist which is...

    Paul--the endgame is to have a hoist which is driven by my most recent hit and miss engine, to show it hitting and missing under no load conditions, and only hitting with no misses when lifting a...
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    I've never seen a Variator. I have shortened up...

    I've never seen a Variator. I have shortened up the offset arms as much as I could without blocking the space directly above the winch drum. The "bobs" on the string will have adequate power to shift...
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    I've been rethinking this mechanism. This picture...

    I've been rethinking this mechanism. This picture shows the current state of what I am starting with. I have spent a few hours this morning rethinking the design to let me use more of the parts that...
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    101,891

    For those of you who are building this...

    For those of you who are building this engine-----The crankshaft endplay ends up being controlled externally by the ignition cam on one side and by the small bevel gear on the other side. My original...
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    101,891

    One of the people building the engine from my...

    One of the people building the engine from my plans has discovered an error in the con rod drawings. I will be sending new corrected drawings of the con rod and cap out to all who purchased the plans...
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    I have worked out all the design of the self...

    I have worked out all the design of the self reversing winch. When the "bobs" on the string hit the arm which is attached to the bevel gear, the bevel gear rotates (only a little bit) and causes the...
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    Model Auto-Reversing Winch

    I'm a bit early into the game here, but far enough to share a concept. Last year I designed and built a mechanism that would reverse a flat belt drive, in order to mimic the reversing of a belt drive...
  11. Too late---Too Late---I am deep into the design...

    Too late---Too Late---I am deep into the design of a auto reversing winch. This is far more difficult than you would think. I have such a great video of the vertical hit and miss engine operating...
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    Yow!!! Nasty stuff. Looks like you could lose the...

    Yow!!! Nasty stuff. Looks like you could lose the whole tractor.
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    Artful Bodger--It's okay. We're still friends....

    Artful Bodger--It's okay. We're still friends. Sometimes I do it too---rush in and offer advice without reading the whole post first. ---Brian
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    That fixed it!! You can see it setting directly...

    That fixed it!! You can see it setting directly below the carburetor fuel inlet. (there really isn't much to see, because the gas-line pushes on from both ends of it). Now when the engine is on...
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    101,891

    After much playing about with this engine, under...

    After much playing about with this engine, under both load and no load conditions, I have come to notice this phenomenon that I have seen before on other hit and miss engines. When the engine is...
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    101,891

    Artful Bodger--I have already stated this very...

    Artful Bodger--I have already stated this very plainly two times, but just for you I will say it one more time. I want the load variation to occur with no input from me at all. I want it to be...
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    Ringo--After you've done it for over half a...

    Ringo--After you've done it for over half a century, it gets pretty easy.---Brian
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    Type this into your computer search engine...

    Type this into your computer search engine "VERTICAL LIFT CHAIR FOR DISABLED"--there are many chairs that lift vertically.
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    I keep a stock of most socket head cap-screws and...

    I keep a stock of most socket head cap-screws and set-screws that I need for my day to day stuff. However, I need a lot of onesies and twosies of fasteners that if I bought a full box of, would...
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    -I am going to either give up on this or try a...

    -I am going to either give up on this or try a totally different approach. The absolute best video of the engine hitting under load and missing under no load was the video in which the string with a...
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    Well, the one way clutch bearing works exactly as...

    Well, the one way clutch bearing works exactly as advertised. I'm impressed. However--the set up didn't work. The one way clutch bearing was mounted in the steel bar which gets rotated, but--Once the...
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    The one way clutch bearing had an inner diameter...

    The one way clutch bearing had an inner diameter of 12 mm, so I made a hub of cold rolled steel, put two set screws in each end and drilled/reamed it 0.312" for the 5/16" shaft it is going to mount...
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    Today I received my one way clutch bearing in the...

    Today I received my one way clutch bearing in the mail. It looks exactly like a sealed ball bearing, but it definitely has the "turn only one direction" feature. I am going to mount it in the offset...
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    I worked for a die casting company a few years...

    I worked for a die casting company a few years ago that was owned by a rather strange old man. We had our own in house machine shop, and periodically the old guy would turn up for a tour of the...
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    I've never seen those before. Does anyone have a...

    I've never seen those before. Does anyone have a link to a video of a tractor mud-bogging with a set of those?---Brian
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