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Old 03-18-2012, 07:15 PM   #101 (permalink)
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sounds good then, good luck with your project.
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Old 03-19-2012, 03:12 PM   #102 (permalink)
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So, we parked the Justy for some good access to the axles:







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Old 03-20-2012, 09:05 AM   #103 (permalink)
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Awesome, I had no idea that redneck had made to Germany. Love it.
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Old 03-20-2012, 09:07 AM   #104 (permalink)
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Awesome, I had no idea that redneck had made to Germany. Love it.
his neighbors must love him already. just moved in and trashing up the place.
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Old 03-20-2012, 01:39 PM   #105 (permalink)
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his neighbors must love him already. just moved in and trashing up the place.
Well, it`s just the third car i`m parting out there. And i was already there when most of my neighbors moved in...


Picked up the saw today:



After a bit cleaning, fresh oil and dialing in it runs like on it`s first day:



Bought it for about $200, the seller thought it`d be broken...
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Old 03-22-2012, 01:44 PM   #106 (permalink)
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Finished parting out the Justy yesterday. Here`s a pic of removing the rear axle:



Made a roller stand (?) for my saw:





Also a jack stand for some welding practice:



Will pick up the steel tomorrow, so i`m going to have the first track assembly ready by Saturday...
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Old 03-23-2012, 12:47 PM   #107 (permalink)
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Couldn`t get the steel today, maybe tomorrow if i`m lucky...

We started making a hole in the wall for ("thing that evacuates welding fumes" how`s this called?):





Also made a stack for shorter pieces of steel:




What i need now is an idea what to use for the turning connection between both cars. There`s the up and down and the left and right movement between both cars. I already designed the joint for that. Now i need a joint that is able to turn around itself and fitting a driveshaft through it. Something like the "thing" that`s between the upper and lower part of an excavator and allows it to turn...
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Old 03-23-2012, 01:34 PM   #108 (permalink)
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Couldn`t get the steel today, maybe tomorrow if i`m lucky...

We started making a hole in the wall for ("thing that evacuates welding fumes" how`s this called?):
Exhaust vent.

Thanks for sharing amigo.
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Old 03-24-2012, 10:55 AM   #109 (permalink)
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Exhaust vent.
Thanks but i think the word i was looking for is fume exhauster:



Also ran a air hose down in my shop:



I didn`t get the steel today, so i got the axles ready. I`m going to use the rear axle in the front car and the front axle in the rear car. The drive sprocket fit`s perfect:







I`m going to finish the front car first and make a simple skid steer mock up with the parking brake, so i`m able to test drive the front car itself...
I also decided to get a small trailer to transport the front car. The rear car will go in my van...
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Old 03-25-2012, 09:38 AM   #110 (permalink)
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nice fab work, always cool to see projects from other countries.

try fume extractor:

http://www.mist-dust-collection.com/...ms_Flexair.htm
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Old 03-25-2012, 01:52 PM   #111 (permalink)
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Came up with a new design for the joint between both cars. It`s based on the real one and should be a lot better than my old design:

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Old 03-25-2012, 03:28 PM   #112 (permalink)
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All the license plates over the have UL on them?
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Old 03-25-2012, 10:30 PM   #113 (permalink)
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The first letters are different, depending on where you live. I live in Ulm, so it's UL. If you live in Stuttgart it's S and so on...
The other characters are based on chance(?)...
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Old 03-26-2012, 12:46 PM   #114 (permalink)
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Finally got my steel today:



And started over:









Unfortunately it warped while welding, so i have to cut it off and redo it tomorrow... :coffee:

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Old 03-27-2012, 12:07 PM   #115 (permalink)
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Redid the part from yesterday:



Then i started with the second one:







Both finished:

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Old 03-28-2012, 01:15 PM   #116 (permalink)
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Figured out the final dimensions and engine position today. Also shortened the drive shafts:





Then i started with the frame:



And started machining the second drive sprocket:

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Old 03-29-2012, 11:57 AM   #117 (permalink)
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Big change of plans today:

Engine/Drivetrain:
I wan`t happy with the engine position all the time. The center of gravity is way to much up front, the aperture angle is incredible bad for a tracked vehicle. And the drivers view is really obstructed by the big engine...
So i decided to put the engine all the way back in the front car and built a chain setup to the drive sprockets. I think this is a lot better...

Suspension:
It`s not a really good idea to built a vehicle without any type of suspension. The real Hägglund uses two leaf springs to hold the track assemblies and the chassis together:



Not much to say, i`ll do it the same way...
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Old 03-30-2012, 11:59 AM   #118 (permalink)
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Almost finished one track assembly today:











Just had to take a seat....





So much better than before...
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Old 03-31-2012, 12:29 PM   #119 (permalink)
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First i finished both track assemblies today:





Then i started with the main chassis beam:





This is how it`ll be mounted:



Placed all the stuff. Space is tight, but everything will fit...





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Old 04-01-2012, 07:35 AM   #120 (permalink)
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Here`s another pic of the track assembly:



Also started with the second track:

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Old 04-01-2012, 08:10 PM   #121 (permalink)
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starting to look like something there.

It looks like the motor is sitting on the factory subframe. Are you planning on reusing that or building a custom piece to support the motor and radiator? Worried about cooling with the radiator in the back?
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Old 04-02-2012, 11:31 AM   #122 (permalink)
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Yes, i`m reusing the factory subframe. Saves me a lot of time making the lower engine/tranny mounts. I just need to tie it into my frame and built the two upper engine mounts...

I don`t think there will be cooling issues, the engine shoiuldn`t be under heavy load...
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Old 04-03-2012, 01:02 PM   #123 (permalink)
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Tied the subframe into the main chassis beam today:







Still thinking about how i`m going to tie the upper mounts into the frame. Maybe you guys have some suggestions?

Also got the bearings for the cv shafts:



Got the small one painted on sunday:

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Old 04-06-2012, 10:10 AM   #124 (permalink)
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We still couldn`t figure out how the articulated joint between both cars works. Because of this we took a ride to a ski resort where i know there`s a Hägglund in use. We looked at it and tried to figure out how it works but we still couldn`t. I looked for the owner and asked him how this think works. He tried to explain it, but couldn`t figure it out himself. So he drove it right over the next ditch, so it would articulate. Then we had a look and finally saw how this works:



Looks like the bearings of the rear joint are some sort of rubber bushings:



But the joint itself takes the most movement, you can see it here:



Kind of hard to figure this out if the car isn`t articulated...
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Old 04-07-2012, 12:43 PM   #125 (permalink)
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Started the cage today:



First i made the window frame, to get the exact width:



With this measurement i could start with the cage:



My saw spilled cooling fluid all over the place, so i made this thing:



Almost finished:





Not sure why it looks like crap on those pictures but it`s all square and how it should be...
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