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Author Topic: I Don't Know One of These From Another - Neat YouTube  (Read 1494 times)

LowGear

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carlb23

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Re: I Don't Know One of These From Another - Neat YouTube
« Reply #1 on: February 06, 2018, 09:53:18 AM »
i hope he doesn't get a ticket for not having any headlights :police:

glort

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Re: I Don't Know One of These From Another - Neat YouTube
« Reply #2 on: February 06, 2018, 10:23:16 AM »

You have to love the ingenuity of people that have to make do and don't have the ability to just go buy something new or a replacement. 

I have been thinking of something similar for making an all wheel drive Vehicle for various yard Jobs.
The thought was to use a subaru Gearbox and diff with shortened drive shafts and tail shaft.  Just make a frame to mount it all to to downsize it narrower and shorter than the std vehicle.
 What I can't figure in my head is how to set up a clutch for the thing. Slipping belts would be lame, I need some sort of real clutch.

I'd prefer an auto but they don't come in low range gearboxes like the manuals. Also I think it would require more than the power of the small engine I want to use to get them to make full torque.

Thob

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Re: I Don't Know One of These From Another - Neat YouTube
« Reply #3 on: February 06, 2018, 07:54:45 PM »
In the video it appears that the engine has a jackshaft mounted underneath with the (original?) flywheel mounted at the rear, and I'm assuming the original clutch behind that.  The jackshaft is belt driven by the engine.  So the normal clutch would work.

You need to be sure the bearings on the jackshaft can handle the force of the through-out bearing when the clutch pedal is pressed.
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dieselspanner

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Re: I Don't Know One of These From Another - Neat YouTube
« Reply #4 on: February 06, 2018, 08:33:13 PM »
Tighten 'til it strips, weld nut to chassis, peen stud, adjust with angle grinder.

glort

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Re: I Don't Know One of These From Another - Neat YouTube
« Reply #5 on: February 07, 2018, 12:13:10 AM »
In the video it appears that the engine has a jackshaft mounted underneath with the (original?) flywheel mounted at the rear, and I'm assuming the original clutch behind that.  The jackshaft is belt driven by the engine.  So the normal clutch would work.

You need to be sure the bearings on the jackshaft can handle the force of the through-out bearing when the clutch pedal is pressed.

Thanks, I can see that in my mind now.  One would have to make sure the clearances/ flywheel position was right but with a thrust rated bearing should be OK.  Might just be a bit fiddly to initially set up.

Stef I used those clutches years ago on a go kart.  I had a hotted up lawn mower motor I built and the thing would just smoke those clutches.
I was thinking of something along the same lines though like a couple of brake shoes spinning inside a brake drum.  Much more friction area with that and one could use a pair of drive shafts on bearings to set it up easily.

Other thing I had in mind and looked up but couldn't find anything on and would be preferred choice was a Torque converter mounted on the input of a manual gearbox. No Friction materials to heat up with this and there is supposed to be a torque multiplication factor as well.

ajaffa1

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glort

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Re: I Don't Know One of These From Another - Neat YouTube
« Reply #7 on: February 07, 2018, 10:15:45 AM »

That I like!

Wonder what it would cost to bring to Sydney??

LowGear

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Re: I Don't Know One of These From Another - Neat YouTube
« Reply #8 on: February 07, 2018, 05:51:37 PM »
Hey glort,

Let's get it to Hawaii and I'll leave it in my will to you.  Really.

Casey
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glort

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Re: I Don't Know One of These From Another - Neat YouTube
« Reply #9 on: February 07, 2018, 09:45:50 PM »

An appealing offer but I think that's going to cost even more to get to Sydney!  :0)

 Besides, aren't you in your '70's? I'm in my 50's and the way I'm travelling,  I'll probably be gone before you anyway. 
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veggie

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Re: I Don't Know One of These From Another - Neat YouTube
« Reply #10 on: February 08, 2018, 03:06:38 PM »

Back to that original video....
There is no clutch !
A clutch mounts on a automotive engine flywheel.
I can only guess that the user must push the vehicle a bit and then pull it into 1st. gear....then jump in.
I'm not aware of any type of clutch that could fit on the end of that jackshaft just before the transmission.  ???

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AdeV

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Re: I Don't Know One of These From Another - Neat YouTube
« Reply #11 on: February 08, 2018, 05:10:34 PM »

Back to that original video....
There is no clutch !
A clutch mounts on a automotive engine flywheel.
I can only guess that the user must push the vehicle a bit and then pull it into 1st. gear....then jump in.
I'm not aware of any type of clutch that could fit on the end of that jackshaft just before the transmission.  ???

Cheers,
Veggie

The original flywheel & bell housing look to be present, so the clutch is probably still there, on the other side. Yeah, the bearings in the pulley on the jackshaft would need to be pretty bloody sturdy, as they have to resist the push of the throw-out bearing as Thob says.

Alternatively, the 'box might be automatic, but I don't see a fluid flywheel...
Cheers!
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glort

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Re: I Don't Know One of These From Another - Neat YouTube
« Reply #12 on: February 08, 2018, 09:36:30 PM »

At about 1:07 you can see the flywheel. Looks in the right position so I would say the thing has the original clutch.
Earlier in the vid you can see the manual shift lever and the clutch pedal which looks the right height.

Can't say the same for the brake though. Also noticed the Booster is disconnected from a vac source. that would make the thing REAL interesting to pull up.
In my experience boosted brakes are almost useless when there is no boost/ Vacuum.  Probably use the handbrake on this setup. Still going to be horribly ineffective.

I still remember a sign I saw on a mechanics wall when I was a kid:
" If your car doesn't go it's annoying. If your car doesn't stop it's Tragic. "

Done some silly things in cars and modified my share to go faster, a Lot faster, but I always had the good sense to modify the brakes ( and usually suspension)  FIRST to also make the things go a lot slower.  :0)

Thrust bearing for the clutch should be no big deal.
I have put them on prop shafts in ski boats to stop the engine bearings taking the load of pushing the boat along. Lots of engines don't like that being never designed for it.
 Can only imagine the force some of these boats we have built have had shoving on those shafts. Many of them would take off a lot harder than most cars and with 3 fat blokes being dragged out the water!  :0)

carlb23

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Re: I Don't Know One of These From Another - Neat YouTube
« Reply #13 on: February 08, 2018, 10:05:28 PM »
I agree with Glort.   looks like a stock flywheel with a pressure plate mounted to it.  The clutch pedal does look to be in the correct position.

AdeV

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Re: I Don't Know One of These From Another - Neat YouTube
« Reply #14 on: February 09, 2018, 06:27:06 PM »
Here's another one, in a rather tidier looking truck... has a test drive too!

https://youtu.be/0RrAhDlknrI?t=22s
Cheers!
Ade.
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