I'm sure loggers never messed with castor oil (I could be wrong). It's a race thing mostly.
Anyway, even with a little castor I blow very little smoke.
Anyway, even with a little castor I blow very little smoke.
Some Opti-2 users start with about an 80:1 mix for break in then move up to the 100:1 after the first few tanks. I've had two that I started new with 100:1 and neither have shown any signs of trouble. The only additive I've ever used with the Opti-2 is a few drops, maybe a half ounce of Castor to a gallon of fuel and that's just because I like the smell, not to augment lubrication.interesting about this oil.... i may give it a go straight from the start.
what break in mix would be reccomended with opti2?
(sorry if this has been discussed.. im at work and cant read 20 pages! )
If you use Castor stay away from the medical grade that you get at the pharmacy. Most hobby shops who deal in model airplanes sell Castor oil that is refined differently and meant to combine with a fuel base, so no sludge. From your avatar you should be familiar with the Sig brand name. They make a fuel grade Castor blend. The medical grade will work but it can produce deposits that will eventually foul a plug...or worse, if used to excess.no gunk build up with the castor? or is the little mix just right?
Correct-a mundo...as usual.I must advise people if they really don't follow oil mixing science to go light on castor oil if at all. I use it and it works great, but more is not better.
Wow war would be bad enough thats terrible!Interesting fact about castor oil. WWI aircraft for the most part used gasoline engines with sacrificial oil systems. After the oil had been pumped into bearings it was pretty much just burned and thrown out the exhaust. The oil used was castor oil. A friend of mine who's now passed away was a WWI pilot in the last couple months of the war. He said that most pilots in his squadron wore diapers in flight. The effects of breathing the castor oil vapor from the engine gave them a serious case of the 'trots'. So make sure you run your castor oiled bikes in a well ventilated area. :<)