I was wondering if you could shed some more light on your already great and helpful pics of the secondary butterflies.
The secondary butterflies do not open at all between 1000rpm and 3000rpm ? Do you know what throttle position you had (roughly) when taking the first lot of photos - 1st - 3rd gear up to 3000rpm.
It looks like the secondarys start to open somewhere after 3000rpm up to 6000rpm (at a rough opening of 30degrees) to you know when they start to open (crack) exactly ??, do you think the opening of the secondarys is linear from 3000rpm to 6000rpm -
3500 @5deg
4000 @10deg
4500 @15deg
5000 @20deg
5500 @25deg
6000 @30degress open (roughly)
Did you see any other degrees of opening after 6000rpm - and do you know when they are fully open ??
Any help would be most appreciated - I am desiging a new profile butterflies - smaller of course instead of removing fully and am chasing a 15-20% volume reduction of the fly to get better response without fully removing and adding a PCIII.
