engine stand - pics or drawings
Fleet Mechanic
Joined: Jul 2000
Posts: 1,493
Likes: 346
From: SE Iowa
Beam deflection of 2" round solid rod:
[Weight x (length ^3)] divided by 68,295,000
Length is the distance from the "fixed" point of the beam and include entire length of engine. One thing to consider for the rating of the bearing is the further the engine is from the bearing the weight will increase. Think levers. I doubt total deflection is more than 0.050". I'd get bearings with at least double the capacity you plan on having on the stand. At least on the front bearing.
Another thing to consider is drilling a hole in the center of the mounting plate like on the pics above. Put a 1/4 to 3/8" 45deg bevel on the end of the rod. Insert thru the mounting plate and weld it flush on the "engine" side. A press fit on the rod would be best. Also weld rod at the back side of the mounting plate as well. Doing this will ensure the weld is NOT the weak point of the mounting plate.
[Weight x (length ^3)] divided by 68,295,000
Length is the distance from the "fixed" point of the beam and include entire length of engine. One thing to consider for the rating of the bearing is the further the engine is from the bearing the weight will increase. Think levers. I doubt total deflection is more than 0.050". I'd get bearings with at least double the capacity you plan on having on the stand. At least on the front bearing.
Another thing to consider is drilling a hole in the center of the mounting plate like on the pics above. Put a 1/4 to 3/8" 45deg bevel on the end of the rod. Insert thru the mounting plate and weld it flush on the "engine" side. A press fit on the rod would be best. Also weld rod at the back side of the mounting plate as well. Doing this will ensure the weld is NOT the weak point of the mounting plate.
Thread Starter
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old and in the way
Joined: Jul 1997
Posts: 5,921
Likes: 1,052
From: Lovely Hueytown Alabama
old post and I never updated it with the finished product... I actually found it again looking for an engine test stand !
here's what I built... overbuilt....
john
THE BEST DAMN ENGINE STAND
here's what I built... overbuilt....
john
THE BEST DAMN ENGINE STAND
Post Fiend
Joined: Oct 2007
Posts: 10,501
Likes: 5
From: Faibanks Ak.
If any else wants to build one, it is cheao and simple to get a used S cam and a junk slack adjuster, instead of using a gearbox. It will pretty much lock itself in any position, and you just use a 9/16 socket tu turn your engine.
These are in the scrap pile of any truck and trailer shop.
These are in the scrap pile of any truck and trailer shop.
Freshman User
Joined: Nov 2005
Posts: 33
Likes: 0
old post and I never updated it with the finished product... I actually found it again looking for an engine test stand !
here's what I built... overbuilt....
john
THE BEST DAMN ENGINE STAND
here's what I built... overbuilt....
john
THE BEST DAMN ENGINE STAND
The link appears to be dead. At least for me, it comes up blank. 'jniolon' ...any pics of your project?
Thread Starter
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old and in the way
Joined: Jul 1997
Posts: 5,921
Likes: 1,052
From: Lovely Hueytown Alabama
HMMM.... link worked for me...
try this
THE BEST DAMN ENGINE STAND
there's some kind of funky font thing going on... I'll work on that
later,
john
try this
THE BEST DAMN ENGINE STAND
there's some kind of funky font thing going on... I'll work on that
later,
john
Thread Starter
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old and in the way
Joined: Jul 1997
Posts: 5,921
Likes: 1,052
From: Lovely Hueytown Alabama
try just keying it into the browser...
take out the spaces after http:// and put a . where it says (dot) the forum keeps turning it into a link
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Thread Starter
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old and in the way
Joined: Jul 1997
Posts: 5,921
Likes: 1,052
From: Lovely Hueytown Alabama
the big block is still on the break in stand.... but hopefully soon it will get to hang on the engine stand...
14 hour days... 7 days a week is getting too much of my play time
john
14 hour days... 7 days a week is getting too much of my play time
john
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