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Started work on 1/3 scale Case

Case Place

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74
Last Subscription Date
07/14/2019
Re: Started work on 1/3 scale case

Boy that brings back some fond memorises. Larry
 

livesteammack

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Re: Started work on 1/3 scale case

I was wondering, where do you find blueprints for engines like that. Do you obtain copys of originals or do you measure an exsisting engine and scale it down. I have thought it would be neat to model a Case but I am not good with location information on the internet so I have not gone any further than thinking about it.:shrug:
 

Case Place

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Age
74
Last Subscription Date
07/14/2019
Re: Started work on 1/3 scale case

Livesteammack, somebody most likely somewhere along the way scaled down an existing piece of equipment. Tom Terning did this many years ago with a CASE 65 engine he had to develop for his 1/4 scale model and subsequently castings kits and drawings for us modelers. I would imagine he took his 1/4 scale drawings and just doubled all the dimensions for his 1/2 scale CASE 65 he was producing.

Chas Arnold, back in the late 1940's and early 1950's developed a set of plans for a 2" scale CASE 65. Ralph Andres then took those plans and copied all the lines and multiplied all the dimensions by a factor of 2 to come up with the 4" scale CASE 65 otherwise known as 1/3 scale.

So in any case, no pun implied, it takes someone a lot of work and time to measure and document a particular piece of equipment for modeling purposes.

If interested, I do have a original set of 1" and 2" scale drawings of the CASE 65 from the time period mentioned above available. Send me a PM if interested.

Hope this answers your questions, Larry
 
Last edited:

Casemaker

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Re: Started work on 1/3 scale case

Tom Terning bought existing patterns and blueprints from one of two individuals that did most of the work developing the 1/4 Case models.

I think most of Tom's effort was on developing the 1/2 scale patterns from the 1/4 drawings.

I personally know of an individual that has a complete set of orig patterns for a 1/4 scale Case and lots of castings...but I wont expose him. (I dont know if he wants to go into the business at this time - I wish he would ).
 

GaarScott

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51
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05/26/2009
Re: Started work on 1/3 scale case

Casemaker,

Did this person you can't identify purchase the 1/4 scale stuff from Aaron Terning, who no longer is in business?

Lawrence
 

Case Place

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Age
74
Last Subscription Date
07/14/2019
Re: Started work on 1/3 scale case

Casemaker, I also wish your source would make the castings available. I could have sold two sets for him/her this past summer. It is just the right size for a lot of folks to play with. Thanks for the correction on Tom. Larry
 

Casemaker

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Re: Started work on 1/3 scale case

Lawrence,
no this set of patterns is one of the two original 1/4 scale pattern sets of which one of them went to the Ternings - this one is the other one. As far as I know the Ternings still have one - but are not in the business anymore.

Casemaker,

Did this person you can't identify purchase the 1/4 scale stuff from Aaron Terning, who no longer is in business?

Lawrence
 

EspeeRalph

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Last Subscription Date
12/19/2014
Re: Started work on 1/3 scale case

Coles Power Models has 2" scale Case drawings. If you possibly can look over a full size engine and take lots of pictures. Case does the front damper door differently from the Coles drawings.

Ralph
 

Case Place

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Age
74
Last Subscription Date
07/14/2019
Re: Started work on 1/3 scale case

Don't ya just luv those 6 jaw chucks ! Look'in greeeeeeat ! Larry
 

chrsbrbnk

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Re: Started work on 1/3 scale case

The stack set up was fairly rigid but the CNC approach was kinda marginal as I wound up using a really long 3/4 end mill and .200 tall cuts got to thinking the giant fly cutter approach might have been quicker.
I went with a tapered keyway on the flywheel as they seem to hold a bit better than set screws
the pic posting is harder than the machining
 

JBoogie

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Age
37
Last Subscription Date
11/12/2013
i never noticed the spokes being faced, maybe just didn't look hard enough. what was the purpose of that? clearance for clutch arms?

good work.
 

1/4case

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Had to do the same with my set also. Had to cut back far enough for the shoes then needed to clearence the spokes to clear the clutch arms.
 

chrsbrbnk

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Yes, had to face it off to meet the drawing dimension. the next project is the cross head I was thinking of facing off the end of the flange then clamping that under a plate over hanging the table on a bridge port( hanging vertically) , put in the bolt pattern , bolt that to the same plate then use the vertical travel of the knee to bore the 3.00" hole. Chris
 
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