I don't think he's doing it on purpose, but the inevitable problems that come with building a home-made vehicle make for great entertainment.
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Matt's Off Road Recovery.
- Thread starter billdacat
- Start date
I don't think he's doing it on purpose, but the inevitable problems that come with building a home-made vehicle make for great entertainment.
AKnate
Icehole
- Joined
- Mar 5, 2022
- Member Number
- 4908
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- 1,263
Renter had a Durango built with i think airplane tug axles. In 5th gear it could do something like 35mph with ~65" ag tires.
CarterKraft
Red Skull Member
Like this? I don't see any mention of the torque/horsepower I assume it's decent if it's the same size parts as the mud box's.
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Beat95yj
Rolling 24/7
Yes, those seem to be the step up from Atlas/Hero/205. No reduction so you put the magnum reduction box in front of it.Like this? I don't see any mention of the torque/horsepower I assume it's decent if it's the same size parts as the mud box's.
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TRINDU
PBB Orphan
Same reason we click on threads here- to watch builds, and then see wheeling.
gasp web wheelin' deluxe
plym49.2
Sasquatch49.2
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Last edited:
CarterKraft
Red Skull Member
My guess is too tall or wide to fit between the frame rails belly of that thing.
plym49.2
Sasquatch49.2
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Aha. They must be biggerer because they're strong enough.
Speaking of cement trucks...Sparks bought one and is planning on wheeling it in Moab
CarterKraft
Red Skull Member
Aren't the same axles in Midnight Panic? he's using 1550 joints at the drop box, assuming proven parts.
NP205 is reported to have max input torque of 1500 lb ft. With a doubler in front of that and torque multiplication of first gear and the torque converter that would be pretty easy to exceed given the traction provided by those tires.
NP205 is reported to have max input torque of 1500 lb ft. With a doubler in front of that and torque multiplication of first gear and the torque converter that would be pretty easy to exceed given the traction provided by those tires.
arse_sidewards
Red Skull Member
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- 8,556
I think 1500ft*lb for the 205 is pretty conservative
This is how some of the newer cases stack up.
What? It's not like it's super easy to disprove . . . oh, wait:
Lightbars and shiny wraps get more Instaglam likes & yootoob clicks. Priorities, man!
Sandy Johnson
Harry Member
My college roomate ended up driving those all around Iraq on the second go invasion. He's got some crazy stories. They are cool as hell.What? It's not like it's super easy to disprove . . . oh, wait:
Lightbars and shiny wraps get more Instaglam likes & yootoob clicks. Priorities, man!
CarterKraft
Red Skull Member
Not sure if the 1500 is continuous or max but if it's max 7890 (271) is a long way from 1500 or double that 3000.I think 1500ft*lb for the 205 is pretty conservative
This is how some of the newer cases stack up.
If its a ORD 205 it likely has the best in/out shafts available already.
CarterKraft
Red Skull Member
I am not sure I did this right... But if I did I think I see the problem now LOL.
55.0-1 crawl ratio?? It will go 70 mph in double low at 3700 RPM...
4L80>203>205>5.65 ratio 4ks with 54" tires =
If he could get closer to to the 13.xx ratio axles all problems solved.
I am scared looking at this now that bigger transfer case will help. The driveshaft speed is just not high enough.
This is with 13.0 axle ratio and the 2 speed doubler.
Still runs 65 in HIGH at 3,943 RPM.
55.0-1 crawl ratio?? It will go 70 mph in double low at 3700 RPM...
4L80>203>205>5.65 ratio 4ks with 54" tires =
If he could get closer to to the 13.xx ratio axles all problems solved.
I am scared looking at this now that bigger transfer case will help. The driveshaft speed is just not high enough.
This is with 13.0 axle ratio and the 2 speed doubler.
Still runs 65 in HIGH at 3,943 RPM.
Squamch
Canadian
Cement trucks are usually just a regular old semi tractor. Belly dump trailers are common.
And I've never seen a 4wd concrete truck.
RusM
Amateur Viking
Squamch
Canadian
You probably have:
This is a goddamned cement trailer!!!!!
Nope, never seen one of those backwards assed trucks in real life.
plym49.2
Sasquatch49.2
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They use them all the time in New York City. When they are putting up a new skyscraper the ramp from the lower level of the foundation to street level is crazy steep.
Squamch
Canadian
We use a boom pump and just pull up on the street.
CarterKraft
Red Skull Member
If he doesn't get the correct ratios in the axles he might want to get some of these to make trail repairs easier.
Sonnax power train savers
Sonnax power train savers
Gbkeith
El Western Motel
Did he give a reason for not going with lower axle gears?
buzzbombxj
Not too samrt
I think his intent is to have it streetable, and be able to drive it to location.
Gbkeith
El Western Motel
Either he sucks at math or CarterCraft does.
Mike Honcho
Red Skull Member
That's good of him as a person, and necessary of him as an entertainer.
YotaAtieToo
Thick skull
So this thing is snapping outputs just dinking around testing and the intent is to able to drag a dead rig out of a trail? 
So this thing is snapping outputs just dinking around testing and the intent is to able to drag a dead rig out of a trail?
Clearly they are not rocket surgeons.....
YotaAtieToo
Thick skull
WoRlDs LARgEsT oFf roAD WrEckR
I didn’t follow it at all, but based of the other shit they do, I'm not surprised it's a flop.