If you can pete,use a diesel.lots of power available without batteries or starters.I've still got a couple in my workshop.an ED 346 and a DC that might be a Merlin.The DC was given to me by a friend some years ago ,this engine had been dug up from his garden,I cleaned and stripped it down,it runs and starts great! I did have to make a new conrod for it last year,but apart from that,no problems at all!Diesel every time mate