Search found 133 matches

by TriangleTom
Mon Dec 08, 2025 11:31 pm
Forum: Technical - non Engines and Boilers
Topic: Considerations for singlehanding with an enclosed cockpit
Replies: 3
Views: 4432

Considerations for singlehanding with an enclosed cockpit

I've started work on designing a hull, and I am absolutely confounded on how to arrange the cockpit in a way that will allow me to operate the boat single-handed. I figure that in order to do this safely, the boiler and engine should be right next to the wheel so that any important controls are quic...
by TriangleTom
Tue Mar 29, 2022 12:32 am
Forum: Technical - Engines and Boilers
Topic: Antonia Engine - Marshall valve gear
Replies: 4
Views: 21366

Re: Antonia Engine - Marshall valve gear

On closer look, I'm not sure this is a marshall geared engine. I don't see the linkages of a marshall valvegear, it looks like the valve motion may ride in a straight slotted link cut into the round bar, in a way similar to a hackworth.
by TriangleTom
Tue Mar 29, 2022 12:08 am
Forum: Technical - Engines and Boilers
Topic: Antonia Engine - Marshall valve gear
Replies: 4
Views: 21366

Re: Antonia Engine - Marshall valve gear

Very fascinating, and a neatly built little engine. Curious about the valvegear though.
by TriangleTom
Mon Feb 21, 2022 5:48 am
Forum: Technical - Engines and Boilers
Topic: Valve Gear Simulation
Replies: 14
Views: 42577

Re: Valve Gear Simulation

For many years I have evaluated steam engine valve gears, and have often wondered why the Stephenson Valve Gear Mechanism is so prevalent. Does anyone know why? I've often wondered the same. The Marshal gear has the practical advantages you mentioned: that there are no sliding links or blocks; all ...
by TriangleTom
Sat Oct 30, 2021 5:44 am
Forum: Sales and Trade
Topic: Dynamo/Gen Set
Replies: 16
Views: 129428

Re: Dynamo/Gen Set

Love that Sirius. It's always satisfying to see them used in a way that both takes advanage of their quirks and is useful.
by TriangleTom
Tue Aug 24, 2021 4:44 pm
Forum: Technical - Engines and Boilers
Topic: Start of VFT build
Replies: 8
Views: 14504

Re: Start of VFT build

I appreciate it, thank you!
by TriangleTom
Mon Aug 23, 2021 5:14 pm
Forum: Members' Websites and Boats
Topic: Monotube Javelin
Replies: 45
Views: 753459

Re: Monotube Javelin

Beautiful work!

I don't know why but I always love seeing hulls converted to run on steam.
by TriangleTom
Mon Aug 23, 2021 4:59 pm
Forum: Technical - Engines and Boilers
Topic: Start of VFT build
Replies: 8
Views: 14504

Re: Start of VFT build

What material/source are you considering using for the boiler shell? I have my eye on A106 Sch 40 pipe right now but that stuff is rare to come by in the small quantifies needed for our launches.
by TriangleTom
Wed Apr 28, 2021 4:52 pm
Forum: Technical - Engines and Boilers
Topic: Naval Engines - Rotate that shaft! (45min video)
Replies: 1
Views: 6102

Re: Naval Engines - Rotate that shaft! (45min video)

Love that channel, actually listening to it now at work. The man puts out an absolute mountain of content.
by TriangleTom
Tue Apr 20, 2021 8:51 pm
Forum: Rally Reports
Topic: Anyone planning on attending the Oklahoma Steam Threshing and Gas Engine Association show in May?
Replies: 0
Views: 104506

Anyone planning on attending the Oklahoma Steam Threshing and Gas Engine Association show in May?

Not a steamboat meet, but it's a huge gathering of steam (and antique gas) engine enthusiasts and the general public. In the last show there was a pretty large display of odd homebuilt steam launch engines, and you can usually find someone interesting to chat up about the hobby. http://www.oklahomat...