 Rotisserie design 101, moment resisting connection at the pivot shaft? |
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| bondo |
 Apr 10 2007, 10:14 PM
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Practicing my perpendicular parking  Group: Members Posts: 4,277 Joined: 19-April 03 From: Los Osos, CA Member No.: 587 Region Association: Central California  |
I'm in the midst of over-designing a rotisserie.
The basic idea of a rotisserie is that the bolt on parts that go where the bumpers mount extend a shaft from the center, which acts as a pivot. What I need to know is, is a 914 strong enough that those "shafts" coming out from the front and rear just need to be held up off the ground, or do they also need to be held straight and level? I basically need to know what forces are placed on the uprights... whether it's just a vertical force, or a vertical force plus moment. |
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| woobn8r |
Apr 11 2007, 10:05 AM
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Senior Member Group: Members Posts: 607 Joined: 7-January 07 From: Newmarket, Ontario, Canada Member No.: 7,435 Region Association: None |
Why not actually use two engine stands as a base....
they are useful again after your chassis is finished. |
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| VaccaRabite |
Apr 11 2007, 01:19 PM
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En Garde! Group: Admin Posts: 13,465 Joined: 15-December 03 From: Dallastown, PA Member No.: 1,435 Region Association: MidAtlantic Region |
QUOTE(woobn8r @ Apr 11 2007, 12:05 PM)  Why not actually use two engine stands as a base.... they are useful again after your chassis is finished. You have to cut the engine stands. You could use them as engine stnads afterwards, but they would be really tall. Also the bases get modified to support the car. If you look at mine, you can see what I am talking about. The ornage bits are the engine stand. The grey bits were the steel stock that I welded in. (IMG:http://farm1.static.flickr.com/120/253639040_5d6c95a1ab.jpg) (IMG:http://farm1.static.flickr.com/110/253639016_fd4c58f1d4.jpg) As you can see, even with the added height, there is not a lot of clearance for the body to go all the way around. Also, the stands are rather chopped up. Frankly, for the $30 from Harbor Freight for a new engine stand, just buy a third and use it for its intended purpose. Zach |
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Posts in this topic
bondo Rotisserie design 101 Apr 10 2007, 10:14 PM
McMark In my experience vertical plus moment.
If you... Apr 10 2007, 10:32 PM
bondo
In my experience vertical plus moment.
If you... Apr 10 2007, 10:43 PM Vacca Rabite If you are building one, keep it simple instead of... Apr 11 2007, 06:38 AM bondo
If you are building one, keep it simple instead o... Apr 11 2007, 04:38 PM John
If you are building one, keep it simple instead ... Apr 11 2007, 05:35 PM bondo
[quote name='bondo' post='887134' date='Apr 11 20... Apr 11 2007, 06:24 PM woobn8r I see yer point....
I was thinking of an adjustabl... Apr 11 2007, 01:30 PM |
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