GreenTwin's latest activity

Lots of good stuff on this thread. Last year I tried to "tune" my 1979 Guzzi V50 as it was built to open the throttle quickly and Go...

That is a good point, carburetor design is no doubt fuel-centric. I recall my buddy changing his racing car to alchohol, and having to...

Thanks for the info. I think a design for a model airplane engine would have to be much more exact and correct than a display model...

Thanks Gents, "Nostalgia ain't what it used t' be when I were a lad." And you remind me of a sketch... "bread van? we had nobbut ashes...

Glad you are hanging in there. I had to build a hoist to get things up and down the stairs. Hoists are a game changer for sure. .

Initially considering a 4 stroke configuration, one would consider the operational RPM range, and a cam design that did not seek to...

The problem with even the smallest weed eater carb is they are quite large and complex to recreate particularly if scaled down The rev...

With foundry burners, there is typically a range of operation that a good oil burner will function, such as a 4:1 ratio (minimum to...

I'm the opposite and quite like a slow reving engine rather than one that buzzes it's nuts off. Though I have been known to make the odd...

Yes that is why I said "gears changed to 1:2 ratio" I class 1:2 as a reduction and 2:1 as an increase as one equals 1/2 (reduction) and...

Some of the discussions mention specific design criteria that have been proven for specific engines, but other design approaches seem...

In the model engine carburetor discussions I have seen yesterday, there seems to be a lot of emphasis on the exact dimensions of the...

A brief review of "carburetor design" on the internet seems to reveal that like a foundy furnace, there is a maximum size carburetor...

This is my SR500. I would like to have the dirt version of this bike, but I don't have the funds to acquire one. .

Back in the day (seems like yesterday), when the baddest bike that could be had was the big Norton Commandos (not my image), it was very...