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Pete... You know that you really want to stuff that drivetrain in a V7 smallblock Chassis.So bets on the frame twisting into a pile of spaghetti or the final drive exploding first?
They do it with the Griso as well. Yes, thanks to Meinolf's work, the Idle Ignition table has been found. Look at this poxy thing. 4 degrees of advance at idle? I fix. My Griso purrs like a very big kitten, now.Could it be this simple on the 7sm? Love to loose the stupid idle shaking.Yeah, yeah. Shouldn't I let it rattle & shake like a big manly motorcycle should? No. Don't bother to give me any crap about 'character'. Not interested.It's only the 8V Griso that has this. The 2V and other 8V engines have sensible idle ignition tables.
Yep. It's even worse on the 1400 Cali.
Actually Martin, noUnlike most �Twin Spark� designs usually used with less modern combustion chamber shapes the 7SM uses four coils and allows for a staggered spark at lower RPM. At higher engine speeds the second spark is cut. If it was necessary for either emissions or preventing end gas issues and �Surging� it would be more relevant at higher RPM where burn times are proportionally far shorter than at lower engine speeds. which is another reason why I�m happy to go with the single spark heads. They do need modification but cosmetically they work better, Pete
If you need a crash test dummy I'm in. You have my custom 14 map.
Im not interested in a false idle either. Bikes can have enough trouble without adding in superfluous crap
They do it with the Griso as well. Yes, thanks to Meinolf's work, the Idle Ignition table has been found. Look at this poxy thing. 4 degrees of advance at idle?
The table between inners and outers is the trick to first sentence. Obviously you fire both at revs but getting the right differential in low and mid is the trick.My son had 4 cyl van that did this, two distributors with 8 plugs, idea not new, was silky smoothCosmetically they work better ?Classic case of form over function, proper English is look better to you, subjective of course, others might prefer the effeciency, you can�t see it when you are twisting the agitator
So you are saying that the Piaggio/WM system is deeply flawed.Thank you.
Having two plugs per cylinder is unnecessary Martin. A well designed, modern, combustion chamber doesn't need it either for efficiency or emissions purposes. On an old semi head engine with a piston with an alp of alloy sitting on the deck there are of course advantages to using two plugs to promote rapid combustion. With a wonderful combustion chamber like the 8V's have it is an exercise in redundancy.
KTM dual plug details herehttps://www.ngk.de/en/news/ngk-press-release/article/ngk-spark-plug-europe-bleibt-exklusiver-zuendkerzenlieferant-fuer-leistungsstarke-ktm-motoren/One sure fire sign that total BS is about to follow is when the word 'modern' is thrown about by casual observers of technology.
Thanx for that, definitely modern and not BS, makes sense to me
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