V twin double acting oscillating engine.

[JasonBModerator @jasonb]

The only one I can remember Tel doing was the horizontal "Green Twin" based on an engine Preston Services had for sale. Pat Jorgenson has done a nice version of this

Jo covered the Stuart and Blackgate ones.

[Old SchoolParticipant @oldschool]

Here is my rather dusty steam launch with a Reeves V twin double acting oscillator, centre flue boiler and a petrol blow lamp. The engine has a throttle and it also does ahead and astern but not 100% reliable. Never caused a problem while I have been sailing it and it’s done a fair bit.

[John Dean 3Participant @johndean3]

Check on the Model Boats forum as many years ago they had plans for a V twin and a V4, I know because I made them both.

John

[Ramon WilsonParticipant @ramonwilson3]

If it helps I did this on Model Boat mayhem some years back here

Tug

[Former MemberParticipant @formermember12892]

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[frazer heslop 2Participant @frazerheslop2]

The Reeves popular V twin is not 90 degrees . in my smaller boats I use the Reeves design and simply fabricate the standard at 90 degrees. The popular is my go to engine as it is a good runner

Jan Gunnerson also made a very nice V twin piston valved engine although I cannot find the drawings

The Peter Arnot engine is also a good little performer if a tad fiddly to assemble . The boiler he designed for the V4 is a good steamer

Currently playing with a single double acting engine with a kick starter for a River Princess . Nearly working correctly but still a bit of tweaking to do

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