do you know the physical differences between this two version :
NO ,
But the .15 one'll be NARROWER ; and IF its the SAME as the .10 one ,
http://sceptreflight.com/Model%20Engine%20Tests/OS%20Max%2010%20FSR.htmlLikje wot this one ere is ! , ( pictured ) you can screw the needle out till it faLLS OUT ,
and it's still to lean . in a G-15 S Tigre ! LIKELY in a .35 such as a McCoy, too . . .
So , the Olde Trick of a 1.5 m.m. DRILL BIT though it, both ways , might get you in buisness .
Just thought Id bring it up. Its the little wasted spray bar
O' ring 'd needle swine ,
Fits G 15 so OS 20, 25 etc . inadequate bores for adequate fuel , om the bigger engines .