Chris's Build of a Stanley 735 Engine - Complete

[crueby]

Hi all,

The build of the Model 735 Stanley steam car engine is complete - been quite a fun journey on this one! I'd like to thank all those that followed along, but especially forum member ElamWorks for SO much help, photos, tips, explanations, and corrections on what the real Stanley engines were like and how they went together.   
Below are a set of photos of the completed engine, as well as a video of it running. This engine self-starts at only about 10psi, and runs satisfyingly smoothly up the speed range. This is a model of their piston (spool) valve prototype engine, which I understand that they only built a handful of, the main production sticking with the standard D-type slide valves. The piston valve version really made this model practical since the slide valves ran on machined faces that were parallel to each other in the center of the engine, accessible through a round port in the side of the cylinder block. That made an accurate model very difficult to build at smaller scales, where the piston valve tubes could all be bored from the bottom of the block, and a sleeve with the ports inserted like on the original.There is a full build thread over in the From Plans section of this forum with all the details of how it was made. I do not own the rights to the plans, so I am not including them here. They came from the Stanley museum up in Maine.

So, some photos of the completed model:












And finally, a video of it running on compressed air (I do not have a boiler suitable to run on steam yet).
<a href="https://www.youtube.com/watch?v=fKqxM6JxRpw" target="_blank">http://www.youtube.com/watch?v=fKqxM6JxRpw</a>

[toolznthings]

Nice job and running engi  :ThumbsUp:ne !

[Flyboy Jim]

What a great running engine Chris!  Lots of neat projects too see, as well, in the background of the video.

This was a great build to follow along on.

Jim

[bigbud]

congratulations!  I salute you what will you do for an encore?

[Larry]

Another great build - have followed it daily. Congratulations !

[Kim]

Congratulations, Chris!
Beautiful model and excellent build log.  Thanks for taking us along on your journey.  I've enjoyed it, as always.  And the outcome is excellent, as always!

Kim

[sco]

Enjoyed quietly following this excellent build Chris.

In the early videos where the engine was hand held there was a clear side to side rocking motion - do you think this would have been apparent in the car?

Simon.

[kvom]

Why does that video make me think of a robot on a unicycle?   

[zeeprogrammer]

Outstanding. Thanks for providing so much enjoyment to us. 

[ShopShoe]

Amazing.

I followed the entire build and I could not forsee the statement that this model makes as a complete, running engine.

I like it sitting still and in motion.

Congratulations on another great project.

--ShopShoe

[crueby]

congratulations!  I salute you what will you do for an encore?

Thanks Bigbud - The next project? I am going to switch over for now to work on the RC model of a Cat 340D excavator that I've been working on in the background, and get that one going before starting anything new. The original is a modern style diesel/hydraulic machine, my model uses small gearmotors and leadscrews to simulate the hydraulics, which are quite expensive and can be quite messy when a leak happens. I am running a build thread over on the RC Truck and Construction model forum, here:
https://rctruckandconstruction.com/showthread.php?t=13632
After that, the next steam engine project I am planning is of a Mann 5 ton overtype steam lorry, based on the one out in Vancouver at the BC Discovery Center, which I have a few videos and photos of, plus information from some old books. If any of you happen to have photos/videos of that machine, PLEASE post them or email me with them, there is not a lot out there. I have begun drawing the frame of it up as a 3D CAD model in Fusion 360, will be continuing that this spring.

[crueby]

Enjoyed quietly following this excellent build Chris.

In the early videos where the engine was hand held there was a clear side to side rocking motion - do you think this would have been apparent in the car?

Simon.

I've not had the chance to ride in a real Stanley car yet, but from the videos I've seen they ran pretty smooth - the extra mass of the engine/car/boiler was sure to damp out vibration, and the engine does have counterbalances on the crankshaft that I am sure were better tuned than the copy in the model. The engine did not have to run at a very high rpm like a modern gas engine, which helps.

[crueby]

Why does that video make me think of a robot on a unicycle?   

Great - now I can't get that image out of my head!!! 

[cheepo45]

Very nicely done!
You are a Master Model Builder.
 Scott

[steam guy willy]

Simon.
[/quote]I've not had the chance to ride in a real Stanley car yet, but from the videos I've seen they ran pretty smooth - the extra mass of the engine/car/boiler was sure to damp out vibration, and the engine does have counterbalances on the crankshaft that I am sure were better tuned than the copy in the model. The engine did not have to run at a very high rpm like a modern gas engine, w




hich helps.

[/quote]Hi Chris, good to see the engine complete and running and when I had the chance to have a ride in these steam cars the acceleration from standing start was phenomenal. and the boiler pressure was 600 Psi if I remember correctly.

Willy

[scc]

Congratulations on a great project and thank you for such high quality photos and descriptions. I have enjoyed every bit and learnt a lot.       Best Wishes         Terry

[JC54]

  John

[Dave Otto]

Hi Chris

Congrats on the successful completion of another great project!

I had the pleasure of getting a ride in a Stanley Locomobile a number of years ago;  I had done some machine work for the owner and his son gave me a spin around the park at our local (museum comes to life) show we were attending. Wow that was an impressive short trip! Very quiet and amazingly fast! I will never forget that ride.

Dave

[crueby]

Thanks very much everyone, this was a very enjoyable project. I keep going into the shop and running it more, so fun to watch.


 

[Jo]

Very nice Chris.

At this rate you will have more finished model engines in your house than me 

Jo

P.S Who said it looked like a robot on a Unicycle now I can't get rid of that image either 

[Steamer5]

Hi Chris,
 Nice work, really enjoyed the trip!
As usual lovely setups & pictures, a nice bit of reference material to boot.

Cheers Kerrin

[Vixen]

Hi Chris,

Nice one 

Yep, it's  a robot on a unicycle 

Mike

[Art K]

Chris,
I can't go out in the shop to work on the next part I need, and here you are finishing another engine. Looks great even if it does look like a...
Art

[crueby]

Chris,
I can't go out in the shop to work on the next part I need and here you are finishing another engine. Looks great even if it does look like a...
Art

Like a steampunk Moari statue on a unicycle?   


Nice thing about a Cape Cod style house, nice back bedroom on the first floor, perfect for a year round model shop!

[crueby]

Very nice Chris.

At this rate you will have more finished model engines in your house than me 

Jo

P.S Who said it looked like a robot on a Unicycle now I can't get rid of that image either 

You are still winning the race in collecting casting sets though!

[crueby]

Hi Chris,
 Nice work, really enjoyed the trip!
As usual lovely setups & pictures, a nice bit of reference material to boot.

Cheers Kerrin