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Lego Technic Napier Deltic Marine / Train Engine
Deltic Engine - 36 Pistons, 18 Cylinders, 1650HP. Used in Ships and Locomotives.
About this creation
Not a true deltic due to the angle of the cylinder banks, limited by the functional angle of the connecting rods and the fact that it has 36 separate cylinders instead of the 18 that a 36 piston Deltic should have...but it's as close as I could get it in Lego without altering parts.

Next project is a transparent version....and maybe something to put it in.











Comments

 I like it 
  December 10, 2013
I like it! Powerful.....I can definitely see this thing powering something big.
 I like it 
  May 20, 2012
Excellent engine. One question: How are you powering it in the video?
 I like it 
  February 15, 2012
very clever now why not build a deltic to put it in
 I like it 
  February 4, 2011
amazing mechanically creation...look incredible
 I like it 
  January 23, 2011
Amazing engine 100/100 :D
 I like it 
  January 22, 2011
Pure mechanical and beautiful stuff!! Excellent!!
 I like it 
  January 21, 2011
THis is coooool !!!!!
 I like it 
  January 20, 2011
Wow, this thing just emanates power! Nice work!
 I like it 
  January 20, 2011
Pure badass.
 I like it 
  January 19, 2011
WOW! That is completely AWESOME! The video helps makes it even cooler.
 I made it 
  January 19, 2011
Quoting Rik Whines Excellent. How about putting it in FDNY Super Pumper??
That would be an interesting project, but not one for me - I'm more into the mechanical side, so everything has to function to the greatest extent possible and I don't think it's possible to build a centrifugal pump that would do the model justice. I think it'd need a detailed build and that technic wouldn't be the best lego for the rest of the truck.
 I made it 
  January 19, 2011
Quoting Nick Barrett Brilliant. Was it starting to smoke at the end of that film?
Haha, smoke is one thing I do not want to replicate with lego! I think whatever you saw was probably due to the low quality camera in low light with high compression of the video. Next time it'll have an RPM counter and a flywheel to smooth out power delivery.
 I like it 
  January 19, 2011
Great stuff, I watched a programme about these in the weekend and wondered if they could be built out of Lego, and here it is!
 I like it 
  January 19, 2011
Excellent. How about putting it in FDNY Super Pumper??
 I like it 
  January 19, 2011
Nice!!! Veyron is nothing compared to this.
 I like it 
  January 19, 2011
Brilliant. Was it starting to smoke at the end of that film?
 I like it 
  January 19, 2011
Wow! Awesome engine! >Eric
 I like it 
  January 19, 2011
It sounds great... nice engine noise, and good work with the triangular geometry, which must have been a pain to construct.
 I made it 
  January 19, 2011
Quoting Angelo S. Wow! this is amazing! Can you put some instructions or part list?
Thanks. I plan to make the smaller, 18 cylinder 'Baby Deltic' sometime with transparent cylinders. I'll try to photograph the part inventory and major sub assemblies as the only difference will be the number of cylinders inbetween the end structures.
 I like it 
  January 19, 2011
WOW! Super engine! 36 PISTONS!!! I like how you did it, impressive.
 I like it 
  January 19, 2011
Wow! this is amazing! Can you put some instructions or part list?
 I made it 
  January 19, 2011
Quoting G W That's... that's actually rather impressive. But where do you put the diesel fuel? ;)
Thanks. It is possible to hide a Medium Power Functions Motor inside of the engine to provide the power. It only just fits though, and without space for gearing up, was not going to run the engine fast enough for me.
 I made it 
  January 19, 2011
Quoting Stephen Poulsen Wow, Looks deceptively simple seeing it, but I guess it took forever to figure out the minute deatils.
You're quite right, the actual workings of the engine are quite simple, the tricky bit in Lego was getting the angles right, or rather realising that you can't build a true deltic and then having to make the angles shallower. And after that, getting the drive phased correctly to each crankshaft.
 I like it 
  January 19, 2011
That's... that's actually rather impressive. But where do you put the diesel fuel? ;)
 I like it 
  January 19, 2011
Nice! It's cool that it actually works.
 I like it 
  January 19, 2011
Wow, Looks deceptively simple seeing it, but I guess it took forever to figure out the minute deatils.
 I like it 
  January 19, 2011
Wow, awesome work. Don't you wanna post here a tutorial how to make this awesome thing? :D No i guess :P
 I like it 
  January 19, 2011
Wicked!
 I like it 
  January 19, 2011
very, very impressive!.....you are obviously a very mechanically-minded guy,..... maybe you should be working for Lego, as a designer!
 
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