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Old 07-15-2008, 07:42 PM   #1
Abomination
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Default Stolen Tech: Make your own rotisserie (Pics & Plans)

I found this here:
http://forums.pelicanparts.com/showt...ighlight=Flank

Yeah, I know it's a 911, but this is about the rotisserie. Flank did an awesome job. It's his deal though, and if you have any questions, you'll need to PM him at the link above.

Anyway, here it is in it's entirety for your viewing enjoyment:



Hi all,
Here are some pictures of the chassis rotisserie for the early 911's.



I would like to say that if you are planning to put your car on a rotisserie, that you have most if not all of your sheetmetal work done and also if it's a Targa, make sure you have the body braced. I had made braces for some of the previous repairs and I used them now too.




The whole rotisserie is held together with 5/8" pins, and it can come apart easy for storage. The next picture shows these pins, and some gussets.




To raise and lower the tool I decided to use these 'farm jacks' over using hydraulic cylinders. I like the mechanical action of the jacks and raising or lowering the car can be done by one person.



I made an 'index wheel' that attaches to the yokes. By working in AutoCad, I was able to come up with a simple design that by using two brackets instead of one, I can posistion the car body in one of twenty positions. When the holes are running out on on bracket, they are just begining on the other.



Here is a picture of the rear yoke. Note that the whole thing can be taken apart. By breaking the yoke down into 'components', one person can easly attach it to your car, then you add parts to it, until it's complete.



and the front yoke.




Now, the momment you've all been waiting for, Let's get this car upside down.




The reason I wanted to make this rotisserie was to help with painting the chassis. Also later for installing the wiring harness and the suspension. But the main reason was to make applying the undercoating easier. By having the car body upside down and flat. The brush on coating will have gravity working with it instead of against it. How nice will it be to have the body like this.



Later in this thread, I'll post the dimension plans and more detail shots of the yokes, so you can build your own. I had to redo this thread because the first one had too many pictures!
Here is a link to the last thread detailing the front suspension pan replacement. From there you can keep going back and check out some of the earlier work, including a chassis jig. I'll close with a self portrait. I hope it doesn't make your computer crash.




Later, Flank.
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Hi all,
Here are the demension plans that will help you get started making you own chassis rotisserie for the early 911's. The base for the roto is pretty basic and you can get ideas from the photos.




Here is a detail of mounting the sliding post to rest of the tool.



Here is a detail of the farm jacks used for raising the car body. I did not want the china made jacks so these are from HiLift and the model is EJ550. Do a search for HiLift and order online for $35.00 ea.




Here are the plans that I made up, so far.



and



and




I just lost my connection to the photos. So I'll post some more detail shots later.
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Old 07-15-2008, 07:42 PM   #2
Abomination
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Default Re: Stolen Tech: Make your own rotisserie (Pics & Plans)

Here are some more details. If you have any questions, just ask.



and from the back.




If I had to make this rotisserie over again, one change I would make is to mount the long tubing that connects the two ends under the tubing that the casters mount to. The wheels provide plenty of ground clearance to have the long tube mounted there. This way you would not have raise the car so far up to rotate it around. The length of the long tube would have to be increased by 8 inches overall to make up for the new location.

Here is a detail of the front yoke. Note that the car is upside down. This also shows the lower support bracket for the oil cooler that I made.



Here are two details of the rear yoke.



Look closely at the notches.



and finally a parting shot, showing the overall.



Thanks and I hope you all found this interesting.
Flank
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Old 07-15-2008, 07:52 PM   #3
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Default Re: Stolen Tech: Make your own rotisserie (Pics & Plans)

Thanks for sharing, looks great.

Vergil
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Old 07-15-2008, 07:54 PM   #4
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Default Re: Stolen Tech: Make your own rotisserie (Pics & Plans)

Cool looking, thanks for the info....
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Old 07-15-2008, 07:58 PM   #5
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Default Re: Stolen Tech: Make your own rotisserie (Pics & Plans)

Man that sure saves an aching back.
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Old 07-15-2008, 07:59 PM   #6
Hot Rod Ron
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Default Re: Stolen Tech: Make your own rotisserie (Pics & Plans)

Good post. This should go too the tech section.
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Old 07-15-2008, 08:08 PM   #7
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Default Re: Stolen Tech: Make your own rotisserie (Pics & Plans)

Thanx for the info.

I am looking at fabbing one of these down the track. Apart from the fact that my back is trashed, Im looking forward to being able to wrench on my rides more comfortably AND get a better result than otherwise would have been the case.

Thanx for postin...

Rat
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Old 07-15-2008, 08:20 PM   #8
Abomination
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Default Re: Stolen Tech: Make your own rotisserie (Pics & Plans)

Is that even ethical? I mean, I did steal it from that other board. LOL!

I guess I DID quote/cite it properly.

~Jason

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Good post. This should go too the tech section.
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Old 07-15-2008, 08:35 PM   #9
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Default Re: Stolen Tech: Make your own rotisserie (Pics & Plans)

kool! ohh and thanks for the pics jason...ohh thats right, you never sent them!!!!
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Old 07-15-2008, 08:46 PM   #10
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Default Re: Stolen Tech: Make your own rotisserie (Pics & Plans)

Stolen Tech is the best kind of tech. Very cool.
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Old 07-15-2008, 10:05 PM   #11
Abomination
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Default Re: Stolen Tech: Make your own rotisserie (Pics & Plans)

Hey, I took 'em!

Been fixing my AC on the house. It's a hellofa a time for that to go, man...

Sent.

~Jason


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kool! ohh and thanks for the pics jason...ohh thats right, you never sent them!!!!
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Old 07-16-2008, 09:07 AM   #12
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Default Re: Stolen Tech: Make your own rotisserie (Pics & Plans)

BTTT for the mornin' crowd.

~Jason
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Old 07-16-2008, 09:13 AM   #13
Von Rigg Fink
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Default Re: Stolen Tech: Make your own rotisserie (Pics & Plans)

that would sure make life easy
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Old 07-16-2008, 09:31 AM   #14
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Default Re: Stolen Tech: Make your own rotisserie (Pics & Plans)

Thanks for posting, that would be real useful in the shop.
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Old 07-16-2008, 03:57 PM   #15
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Default Re: Stolen Tech: Make your own rotisserie (Pics & Plans)

The million dollar question... what's the cost of materials?
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Old 07-16-2008, 04:00 PM   #16
Abomination
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Default Re: Stolen Tech: Make your own rotisserie (Pics & Plans)

That would depend highly on what you bought vs. what you found laying around and used, I guess.



~Jason

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The million dollar question... what's the cost of materials?
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Old 07-16-2008, 04:03 PM   #17
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Default Re: Stolen Tech: Make your own rotisserie (Pics & Plans)

Some good ideas there.
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Old 07-16-2008, 05:10 PM   #18
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Default Re: Stolen Tech: Make your own rotisserie (Pics & Plans)

I actually had one similar to this one and I damn near killed myself and helper, when we rotated the car upside down it took off on it's own because it was really top heavy. It was a 64 full size Pontiac, I finally modified it so the arms that mount to the body dropped down to get the centerline of the car in line with the rotating head of the rotisserie. That way the weight is balanced whether the car is right side up or upside down. I don't think it would make much difference on a really lite car like an A or B model. I would suggest anyone building one of these to look at other designs that have dropped arms and incorporate them into this design. Thanks Abomination for the plans!
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Old 07-16-2008, 05:12 PM   #19
FiddyFour
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Default Re: Stolen Tech: Make your own rotisserie (Pics & Plans)

i dig the railroad jacks for raising and lowering the height... lot nicer than holes and pins for sure. i had been kickin the idea around of building a rotisserie outta a pair of engine stands, got a couple ideas from this one that'll really help. thanks dude
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Old 07-16-2008, 05:32 PM   #20
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Default Re: Stolen Tech: Make your own rotisserie (Pics & Plans)

yeah... what 34 toddster said. there needs to be an adjustment so you get the cars center (weight wise, not inch wise) at the pivot point. the way he has it once you get a full size car body to a certain point gravity takes over and you are screwed.

there is a guy who sells them at swap meets around here. he made the mistake of having a nice drawing on his flier he hands out. so I took the flier and looked in my scrap pile and adjusted the design to fit the steel I had. I had to buy a couple of pieces of tubing that fit inside each other, everything else was scrounged. cost me about 30 bucks.
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