Grass Hopper

davidl · Jan 13, 2014

This is my version of a Grass Hopper engine I built last year. I used one nitrile rubber O-Ring on the piston.
I started machining in my early 70's before retiring on my 74th birthday. I now can indulge myself.

Cymro77 · Jul 19, 2018

I have always enjoyed Grass Hopper engines, have yet to attempt to build one.

bmac2 · Jul 19, 2018

Nicely done David. There’s something almost hypnotic about Grasshopper and Beam engines. Any chance of a short video?

Dave Perry · Aug 1, 2018

davidl said:
This is my version of a Grass Hopper engine I built last year. I used one nitrile rubber O-Ring on the piston.
I started machining in my early 70's before retiring on my 74th birthday. I now can indulge myself.

View attachment 99861

Lovely looking engine very well made

where can I get the plans please ?

Cymro77 · Aug 1, 2018

I too would like to find the plans - any help would be appreciated. I have tried internet searches without much luck. There are all kinds of so-called Grasshopper designs, I am looking for the one primarily used in marine engines. Specifically those in paddle wheel tugboats. This one by davidl does appear appropriate.

Grass Hopper

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