Pneumatic valve engine?

F1 cars have had them stupid shits for years.

Hydraulic valves? some goldwings have them, far out shit.

[quote="davis224":51yavjoo]Hydraulic valves? some goldwings have them, far out shit.[/quote:51yavjoo]


You are so very close but yet so far.

[quote="superrat":u4wabfq8][quote="davis224":u4wabfq8]Hydraulic valves? some goldwings have them, far out shit.[/quote:u4wabfq8]


You are so very close but yet so far.[/quote:u4wabfq8]
air, hydraulic fluid, same thing. gimme a break, I've had a few beers. And shots of jack. And shots of bacardi. gimme some cred.

from what i read they are having problems with them and are having to use last years motors until they get the bugs worked out...

[quote="jtomasik":2p69vzoa]I just read a story about Rossi and his new Yamaha ride. They mentioned a pneumatic valve engine. What's up with that?[/quote:2p69vzoa]

As racing engine RPMs go higher the valve springs can't keep up and the valves can't close fast enough. Pretty old technology in car racing. [url:2p69vzoa]http://en.wikipedia.org/wiki/Pneumatic_valve_gear[/url:2p69vzoa]

actually it's old technology... the pnuematics can't keep up and they are back to srings with a desmo style return in F1.

try and keep up, " title="Wink">

[quote="williamsmotowerx":3hi3ykgj]actually it's old technology... the pnuematics can't keep up and they are back to srings with a desmo style return in F1.

try and keep up, " title="Wink">[/quote:3hi3ykgj]


that said, do you think the mx industry will simply skip over the pneumatic tech and go straight to electro or desmo springs as you have mentioned?

it seems f1 tech always trickles down to motogp, and then it eventually finds its way to mx. it seems that if theyve already found a better way, dirbikes may never see this tech.

to be honest, probably not. it's really not needed at our rpm.. and cost is always a factor.

[quote="williamsmotowerx":1qijpas5]try and keep up, " title="Wink">[/quote:1qijpas5]

I am, that's why I'm reading motodrive.