JOHN WATERS

G'day all I live in australia and the only magazine that I buy and many other modelers in australia buy is rcm&e but to subscribe to the magazine is a $128.00 dollars a year c can"t we do something about it ?

I use 50% atf and 50% compressor oil mixed have done for years

Hi guys I mix my own fuel which I have done since the 1970s and when the four stroke motors came out I mucked around with my mixtures a bit and the best I came up with is btw I have only used this on os 4 strokes 14% advanced castor oil 10% nitro and the rest methanole never had a problem I have a os 70 4 stroke which has in excess of 200 hours on it and it is still going like the first day I bought it mind you you guys living in a colder climate might have a problem with the castor oil I don't know

G'day guys I have owned  quite a few os 4 strokes over the years and all I have ever used in my motors is 14%advanced castor oil 10% nitro and the rest methanol never had a problem

just love to have that in my hangar

G'day Steve I have built the 88 inch ws pawnee and had a 91 4 stroke in it and flew around at half power I think you will find the os 70 will be a good choice enjoy your build