Would be a very energetic project. [:-]Onlty two ever built, one never left Ft Knox and the other tested at APG then sent to Yuma NM 1947 for futher testing. Top speed 7 mph and had to tow the second set of tracks with 4 inch armor plate behind it. [:'(]Buy 3 Pershings and you may have all the parts you need. Have to get that first hit right on....sure can't run away from anything. At least in RC battles, you could not be taken out