Power: electric (Power Functions)
Dimensions: length 41 studs / width 20 studs / height 19 studs (not including aerial)
Weight: 1.518 kg
Suspension: pendular, stabilized with 2 shock absorbers per axle
Motors: 1 x PF Medium, 1 x PF XL
I've built this model for a Truck Trial race, with focus on its look and accuracy even at the cost of performance (hence the relatively small wheels and low ground clearance). It features 4x4 drive with no differentials, full pendular suspension with shock absorbers for stability, opened bonnet, doors and trunk, headlights and rear lights with PF LEDs and some basic cabin interior (e.g. a full set of sets, a steering wheel, a radio station). The trunk is opened by a pair of damped shock absorbers and locked by a simple manual catch, and the bonnet has manual catches on the hull's sides. The entire model is powered from the 8788 rechargeable battery located above the rear axle and accessible via trunk, and driven by a single PF XL motor geared down 4.5:1 (3:1 gearing is done already at the wheels' hubs). It uses portal axles and has 5 studs of ground clearance under all parts of the chassis. It did well in the race (it placed 4th out of 11 vehicles on the first section) until both chains in the drivetrain broke at once and I was forced to give up. The lesson is: never ever use chains to drive a TrTr vehicle, and I mean _never_.
You can find a complete description along with the photos here: http://sariel.pl/2010/05/hummer-h1/
And you can see a video directly here: (but watch out for rodents!).
Hope you enjoy it.
PS. If you're scared of rodents (tricky sneaky little beasts), here are two parts of a vid covering the whole race we held:
Edited by Sariel, 24 May 2010 - 11:53 AM.