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Subject: 
Re: LDD - MOC Steam Engine inspired by Streamlined Hudson
Newsgroups: 
lugnet.trains
Date: 
Fri, 20 Apr 2007 19:06:08 GMT
Viewed: 
6755 times
  
In lugnet.trains, Ted Andes wrote:
   In lugnet.trains, Anthony Sava wrote:
   I really can’t comment on how to improve it, though, since I’m not familiar with the LDD parts assortment. Or are you looking for comments on what to change outside of LDD?

I think feedback on either would be helpful. I’m just starting up my parts collection again as AFOL, so my part availability outside is almost as limited as LDD. Any good recomendations though, and I could track it down in one of the brick shops out there.

Well, I’m no train expert, I only started building train MOCs a little over a year ago, but I’ll be happy to share my opinions. And the number one thing you should do, in my opinion, is visit http://www.bigbenbricks.com/. Ben Fleskes, a Lugnet member, sells custom LEGO-compatible steam engine wheels, among a few other things, which I feel is a necessity when it comes to building steam engines. If it weren’t for Ben’s wheels, I never would have gotten into trains.

  
The one area I had the most challenge was around allowing the front wheels to pivot on curves, and keeping the piston/valve housing close on the side. I tried out a lot of different things, but what I did was split the Piston/valve assembly in two, with top curved part attached to the ‘engine’ and the bottom half attached to the trucks below to allow for rotation. It may look like one peice in picture, but actually the middle piece of piston housing is a 2x2 flat plate. I will still have to see if friction becomes an issue in the reality of the build- Any different thoughts on how to handle this challenge would be appreciated.

You’ve discovered one of the greatest challenges to all steam engine builders everywhere - the pistons meeting pony trucks. I am a member of the camp that isn’t satisfied without building a working piston into the design, so I’m forced to fix the pistons to the drive wheels and getting the pony truck to negotiate itself around them. I’ve seen your solution used a few times before, but I have no experience on how it runs. I hope it runs well.

You’re welcome to check out my train designs if you wish. They all use Ben’s custom wheels, though each one uses them a little differently. http://www.brickshelf.com/cgi-bin/gallery.cgi?f=174415

If you’d like more advice on how the different methods of negotiating turns with steam engines, or building steam engines in general, I suggest you view the presentation Ben Beneke gave to Brickfest PDX this year. (I hope you don’t mind me posting this, Ben)

http://www.brickshelf.com/gallery/Ben/presentations/BrickfestPDX2007/brickfest07_steam_engines.pdf

Ben is an extremely gifted steam builder, so do yourself a favor and check out his stuff, if you haven’t already: http://www.brickshelf.com/cgi-bin/gallery.cgi?f=12156

   I am doing some minor mods as well, extending the back a bit, as I work on the tender.

The only other thing I am thinking of is using tubing instead of the two ‘sword’ peices along the boiler. That way could extend hand rail and curve in front.


I would also suggest using some curved bricks on the roof of the cab. The Dreyfuss Hudson design had a gently sloping curved roof that would be served well by 1x3 curved slopes without studs (that’s what I’m using).

  
   I, too, am working on this very streamlined steam engine (the Henry Dreyfuss hudson), but I’m still waiting on parts, and only have a mockup built.

That was my original intention, making the Dreyfus, but I decided just to call it a ‘streamlined’ since I diverged a bit and mixed some styles. Would love to see some picks on how you handle the spherical dome on the front of the boiler and the ‘fin’ down the middle. I thought about doing a fin down the top with a place on side, but ended up going flat instead.

The work in progress pictures I have are horrendous, simply because I don’t have the right color bricks for the design I’m working on (the right colors are on order). They’re in my flickr account, but because I’m not proud enough to post them to Lugnet, I’ll email you the link. I’ll let anyone else truly curious let them find it on their own (not hard).

--Tony



Message has 1 Reply:
  Re: LDD - MOC Steam Engine inspired by Streamlined Hudson
 
Tony - Thanks for all the great info! (...) That will be #1 on my to-do list... Very nice. (...) I had been digging around the internet, but had not come across Ben's presentation yet. Very, very helpful and great building strategies. Awesome MOC's (...) (17 years ago, 20-Apr-07, to lugnet.trains, FTX)

Message is in Reply To:
  Re: LDD - MOC Steam Engine inspired by Streamlined Hudson
 
(...) I think feedback on either would be helpful. I'm just starting up my parts collection again as AFOL, so my part availability outside is almost as limited as LDD. Any good recomendations though, and I could track it down in one of the brick (...) (17 years ago, 20-Apr-07, to lugnet.trains, FTX)

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