RCU Forums - View Single Post - DA 250 Twin Super Charged Four Stroke
View Single Post
Old 05-18-2012, 06:02 PM
  #4  
Truckracer
My Feedback: (19)
 
Join Date: Apr 2004
Location: Des Moines, IA
Posts: 5,343
Received 44 Likes on 43 Posts
Default RE: DA 250 Twin Super Charged Four Stroke

ORIGINAL: av8tor1977

Oh that's sweet. Is the supercharger belt driven between the carb and crankcase?? Any more pics?

Wonder why they didn't go ''full tilt boogy'' with over head cams?? Pushrods are ''old tech.....'' (But I still love it!)

AV8TOR
Depending on cam locations (between the valves or on top of them) overhead cams would have made the engine even wider. I'm sure width was a consideration in the overall design. The cylinder / valve layout would have to be turned 90 degrees for the OHC to work also. There would have been cam drive considerations .... probably by a timing belt (with idlers or guides as w8ye pointed out) and there would have been a need to cover this. A pushrod layout probably offers acceptable performance and less overall complication.

I wonder how they did the oil system! Overhead cams would have added complications in this area also.

Interesting engine and I'm sure a sign of whats to come in the future. I wonder if the clone will be out before the original hits the market?!