Horizons Unlimited - The HUBB

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Richard K 17 Sep 2007 17:32

Need a bigger kennel
 
Luke, Great to hear some intelligent fix suggestions on the Dodge - it certainly deserves more consideration. As for vehicle size - each to their own needs and tastes, definitely.

To square my tale, I visited the pound and put a deposit on a pooch, or perhaps – as it's a Renault – 'un chien'.

The TRM 2ooo is somewhat of a rare breed and it's tough to find information, but it was the French army's replacement for the venerable SUMB. In terms of appearance, it looks like a Unimog flatbed jumped the back fence and had a dalliance with an 80's road truck.

Image:TRM-2000 002.JPG - Wikipédia
http://upload.wikimedia.org/wikipedi...0-IMG_4230.jpg

Portal axles (rockwells), 3.8 turbo diesel, full-time 4wd, centre and rear locks, leaf springs. 3.9 tonnes kerb 6.2 tonnes gvw. Civilised interior for a military truck and cruises at a (just) bearable 85kph.

Access to the engine is by tipping the entire cab – so a good reason to clean out the ashtrays occasionally.

I'm told the French have so far only released a few, but there will be more on the market as decommissioning progresses.

In terms of sand, I haven't tried it yet and can't find any testimony, but the French, Qatar & Moroccan armies all use them and many turn up with sand pattern tyres so... we'll see. In terms of specs it is promising.

Design worries so far are the height, (the factory-quoted 30% side slope would demand some nerve!) and all the electro-pneumatic stuff (lockers, brakes etc.). I haven't figured out the latter - but it looks like the central diff cannot be locked in hi-range, which is a shame for fast sand, but perhaps better for durability.

So, needs a good testing out before we employ it officially. On ours, the engine wants work - (white smoke when cold and black puffs at the end of a run), but otherwise it looks mechanically fresh and impressively capable and solid. Good doggy!

If anyone knows anything about the TRM's I would love to hear it. There isn't much to Google.

loots 14 Nov 2007 15:05

Quote:

Originally Posted by Luke (Post 150417)
I’m not convinced by emotional “it’s a dog” reactions; particularly from REME kitbashers. There are so few vehicles in this weight category it’s worth looking at the complaints closely before abandoning the idea.

Vague steering:
Just like a series LR, a live front axle on leaf springs tends to get pushed left or right by the steering pushrod. The suspension movement will also push or pull the rod, giving a weave effect if you compress too much.
Jeeps, trucks and old LRs have had this problem for ages, The fix is a good stiff steering shock between axle and outer pushrod mount, and for even better precision, you can install a Panhard rod parallel to the steering rod. That way the compression of the steering rod is taken up by the Panhard rod and the steering becomes nice and crisp (well, as crisp as 9x16s can be!). Wiki Panhard rod and you’ll see what it does.
A triangular link like the design LR stole from the MAN KATs would also work well

Weak braking:
It’s a truck, it’s slower and you have to anticipate more. If you jump out of a LR wolf and into a truck you’ll find it brakes slower than the LR.
Change the cylinder seals when you get the truck and carry a spare set, you’ll out manoeuvre Murphy’s law. If you’re really adventurous you could convert the front to the Iveco disks and 4 pot callipers, they’re good.
Maybe the braking is heavier, but if the truck is homologated, and it passes the MOT each year then the brakes are within European leg effort standards. (I HATE these modern cars which stop almost before you’ve thought about the brake pedal)
You get used to most things, but swapping vehicles often can lead to jolty braking.

Next?

If it were famous for popping half shafts I would be less enthusiastic, but those who have bought a Dodge and written about it on the web all seem to be happy.

The Pinzi’s great, but too small for my personal tastes. It’s a pity it didn’t take its dimensions from the Tatra 805, of which the drivetrain and suspension is a direct copy. (The Tatra’s 2m wide)
The forward cab gives more liveable length in the vehicle and may reduce how hard you drive because you get more thrown about.

Vehicle speed; really annoying if you’re crossing Europe to get to Africa with limited time, but if you’re off the beaten track it isn’t an issue until you convoy with incompatible vehicles (drivers).
So don’t.

The argument on the size of travelling vehicle:
The thread’s not about that, but tastes change. I was happy riding around southern Africa on my bicycle in the 80’s, now I’m in a coachbuilt Iveco Daily 4x4 and looking to go bigger. I’ve gone through most of the steps in between.
I don’t agree with those who say that this size is better than that, my needs are not yours (and you don’t have my wife ;-) ) It’s cool to travel light, and comfortable to take the “trappings”. It’s reassuring not to have to fill up at every fuel station if you’re not sure about fuel quality, it’s great to get up those tight mountain tracks but you can’t do both in the same vehicle. Travel and let travel, and let’s share our experiences so that others can enjoy their preparations.

Gosh that sounds really peace and love. I must be in a good mood

I’ll sink back into silence and get some work done now.
L

(Mood darkens considerably)

You have my vote

I am retirement age and have done the roughing bit in my younger years. Now I want comfort and my Mog is doing just that. If on holiday who cares about speed.

Greetings
Loot


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