Airmodel 1/72 HO3S

This "kit’ consists of two clear fuselage halves. Everything else you see - rotor, landing gear, rescue hoist, interior, etc. - is scratch built. I forget how many teeny pieces of plastic are in the rotor hub, but it’s a lot.

I haven’t built either the Mach2 or MPM kits, but I suspect that you’d be best off with the MPM as your starting point…

Nice job of working up a VERY limited kit. I’ve seen most of the H03S/R-5 kits, and Airmodel’s is by far the crudest. Believe it or not, the kit from Aerodrom in Poland is pretty darn good. It’s hard to find, and draws surprising prices on ebay, but it is worth it.