Author Topic: HM-2005 Build Thread  (Read 6992 times)

Kruse

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Re: HM-2005 Build Thread
« Reply #30 on: September 15, 2016, 01:55:49 pm »
Were probably going to end up with something that look more like the throttle linkage Russ made with the welded arms on the cross shaft. those arms I can buy can only accept a 3/16 or #10  rod end. I'd like to see something a little larger. any thoughts?
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mandmGuys

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Re: HM-2005 Build Thread
« Reply #31 on: September 15, 2016, 04:12:42 pm »
CSX 3281


Mark

mandmGuys

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Re: HM-2005 Build Thread
« Reply #32 on: September 15, 2016, 04:17:28 pm »
HM 2006
Best I can find right now.


Mark

Russ Rittimann

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Re: HM-2005 Build Thread
« Reply #33 on: September 16, 2016, 06:25:33 am »
Right now the rod on the cross shaft with welded arms is 1/4".  I think 3/16" would be too small and allow too much flex or twist.  I'm not sure if the arms you can purchase can be drilled out to 1/4".  They are not that hard to make from stock strap steel and weld to the shaft.  Should be pretty straight forward once programmed into a CNC machine.  Simple jig to weld them up consistently.  I had no issues with the welded assembly I received.

In fact all of the shafts on the throttle assembly are 1/4" (both the cross shaft and the linkage rods) supplied by Hurricane and also what I see on original CSX Cobras.

Russ
Russ
HM-2005
KC-408, Tremec 600, IRS

Russ Rittimann

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Re: HM-2005 Build Thread
« Reply #34 on: September 16, 2016, 06:35:12 am »
OK, following Mark's lead, here is my current odometer reading.  My car is currently drivable at the go cart stage and now with the body installed waiting on final paint.  No registration yet so I only drive it up and down my 200 foot driveway and turn around in the cul-de-sac.  But, I have made a major milestone -- one whole mile 200 feet at a time.

Russ
Russ
HM-2005
KC-408, Tremec 600, IRS

Kruse

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Re: HM-2005 Build Thread
« Reply #35 on: September 16, 2016, 06:55:03 am »
holes for the cross shaft are 5/16. the holes for the stud of the joint are the 3/16 ones i was refering to.
« Last Edit: September 16, 2016, 09:49:56 am by Kruse »
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Russ Rittimann

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Re: HM-2005 Build Thread
« Reply #36 on: September 16, 2016, 01:26:41 pm »
My mistake.  I should have gone and measured them.  It's been awhile since I installed the linkage.

-- Russ
Russ
HM-2005
KC-408, Tremec 600, IRS

Kruse

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Re: HM-2005 Build Thread
« Reply #37 on: September 16, 2016, 02:20:44 pm »
Russ that's just on those arms I bought. I think they are too small. I'd like to stay with the 1/4" joints. congratulations on your first mile.
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mandmGuys

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Re: HM-2005 Build Thread
« Reply #38 on: September 19, 2016, 08:36:58 am »
Snapped a new picture of what mine looks like. Combination of kit from Hurricane and parts I made.



Mark

Russ Crouch

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Re: HM-2005 Build Thread
« Reply #39 on: September 23, 2016, 03:13:19 pm »
Russ,
I am impressed by ingenuity and workmanship in your build. Will be following this and other current builds closely.  I can see that the Hurricane forum will be a great reference for my build. I will be following your lead on the fresh air duct/fan mounting. Thanks for taking the time to document your build experience.
Congratulations on the the first mile.
Russ
HM-2018 - build has started
427/451 FE Side Oiler + TKO-600 0.82
9" solid axle 3.50:1 limited slip
Willwood 12.25" New brakes
15" Vintage Wheels - pin drive

Dan

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Re: HM-2005 Build Thread
« Reply #40 on: September 24, 2016, 11:08:05 am »
Russ, nice job on the throttle linkage.  I'm in the process of designing a similar set-up.  Where did you find the throttle spring return bracket you have bolted to the intake manifold?  Was it supplied by Hurricane or did you use another source?

Russ Rittimann

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Re: HM-2005 Build Thread
« Reply #41 on: September 25, 2016, 05:56:08 am »
Dan -- I made the bracket.  It's just a piece of aluminum bent into a 90 deg with a couple of holes drilled in it.  It was an afterthought after I had made the main support bracket (the one that holds the heim joint) that is bolted to the intake manifold.  I think I made if from .063" aluminum.

Russ
Russ
HM-2005
KC-408, Tremec 600, IRS

Russ Rittimann

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Re: HM-2005 Build Thread
« Reply #42 on: September 25, 2016, 06:04:03 am »
Russ -- Attached is the sketch I made when I was making the brackets for the fresh air fans.  It is a .pdf file so you will have to double click it to get it come up.  Doesn't work like a photo.

BTW, I have a 30" bench top metal brake from Harbor Freight.  You have to clamp the sheet metal with C clamps.  To be able to make that tight 1/4" bends in the brackets, I used the ram out of my arbor press (from Harbor Freight too) to clamp down on the sheet metal.  I was 1" square hardened steel bar that fit in between the 1/4" bends.  Probably 1/4" bends are about the limit on that kind of brake.

I powder coated the brackets before I installed them.

Hope the sketch helps.

Russ
Russ
HM-2005
KC-408, Tremec 600, IRS

Dan

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Re: HM-2005 Build Thread
« Reply #43 on: September 26, 2016, 11:21:51 am »
Russ, are all the rods used in your linkage 3/8" in diameter?

Dan

Russ Rittimann

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Re: HM-2005 Build Thread
« Reply #44 on: September 27, 2016, 06:17:47 am »
The rods in the linkage are 1/4" all thread with a stainless sleeve slipped over the rods.  On each end there is a nut to lock the heim joint and another to lock the sleeve.  I cut the all thread first and got the linkage working the way I wanted.  Then cut the sleeves to cover up the all thread.  Seemed to work quite well.  Hurricane supplied the rods, sleeves and heim joints with their linkage assembly.

Russ
Russ
HM-2005
KC-408, Tremec 600, IRS