Recent content by thorpie

For a small model engine, the O.S. FS30-S, I found this quote from this document http://ronney.usc.edu/AME514F06/Lecture4/PapacSmallEngineWSSCI-F03.pdf which seems rather authorative I would hope that the small 4-stroke Honda and Makita motors aren't as as over-rated, would anyone have any idea?

Hello, I hoping some you guys could offer some advice. I have been looking at ultra efficient vehicles, 1000 km/litre is a minimum. I do not want to go fast, I just want assistance, and the only assistance I really require is going uphill. Downhill (any downhill) is already terrific, flat is...

Hello, I was looking for information on low powered ultra efficient vehicles (1000 km/litre as a minimum) and came across your discussions. Many of you may find this of interest - it is a calculation to show the limits of motor-assisted bicycles at different speeds. First off I calculated the...