The pre-war motors were all painted aluminum or dull aluminum. Garry has mentioned how they originally mixed linseed oil with aluminum paste to make the coating but I find PlastiKote T-41 Dull Aluminum lacquer in a rattle can works pretty good to.
The pre-war motors were all painted aluminum or dull aluminum. Garry has mentioned how they originally mixed linseed oil with aluminum paste to make the coating but I find PlastiKote T-41 Dull Aluminum lacquer in a rattle can works pretty good to.