M3A1 Half Track - well, not quite...

[Weaver]

Remember, nothing is impossible if you have sufficient supplies of:

a) imagination
b) welding rods
c) recreational pharamceuticals

EXHIBIT A

[Rheged]

Remember, nothing is impossible if you have sufficient supplies of:

a) imagination
b) welding rods
c) recreational pharamceuticals

A quantity of d)Scottish   fallingdownwater   can also  assist!

[chrisonord]

I am liking what you have done with this, and H beat me to it with the BTR-152 similarity. I am currently assembling a BTR-152S command vehicle and  makes you wonder what the russians were inspired by when designing them.A couple of these would fit in really well with what I am doing too. Nice one
Chris.

[sequoiaranger]

I think the reason the Columbian conversions had only one axle is that there wasn't a need for carrying all that much weight. But....since you want a "heavy" turret in the back, then the dual dualies makes sense!! Wouldn't want to be in the driver's cab when the gun is fired forward!!

[cataphractarius]

Ah, good point about only one axle being really necessary. I have to admit I went for the double axle assembly mainly for the looks (I do like the BTR-152 quite a lot...  ).

As for the driver, I'm currently thinking of three different options:

1) Armoured Car, Landau-style - rear compartment with overhead armour, armoured bulkhead, driver has to, well, duck and sweat it out... 

2) Everything rather open, turret resting on some sort of beamy support structure, perhaps not even trainable - and gun is fired by remote control; imagine a remote control team at the end of a long cable... 

3) Armoured Car, full Monty - armoured bulkhead between rear and front compartment, both with overhead armour, rear compartment possibly slightly raised

I guess I'll have to make a few paper mockups before deciding on the final design...

[nighthunter]

Like 1 & 3, hate #2 unless you went sci-fi with it or 3rd world nation