I like the M48 tank. Hobby Lobby had a 1/35 Tamiya M60A1 with reactive armor marked down to $9 and I could not resist, I was thinking it would make a good nose cone for a silly, fantasy rapid tank deployment system. At that scale it would need some serious power.
Sounds like fun though! I have a 1/35th Sherman and same scale T-35 I've been toying with converting if the cardboard cut-outs prove correct and the mass is what I expect with Nose weight I think I can get them to fly and recovery on D12-3's. Haven't really gone that far yet