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Author Topic: Big Marine Steam Engine  (Read 132106 times)

Offline doubleboost

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Re: Big Marine Steam Engine
« Reply #125 on: January 23, 2012, 05:14:29 PM »
Quote from: NickG on January 23, 2012, 12:17:57 AM
Forgot what you were doing there for a min John  think I'm losing it  :doh: Wasn't the old one useable? Look rather good castings those  :thumbup:
Hi
Nick
I want to make it reversable hence 2 eccentrics
John
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Offline NickG

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Re: Big Marine Steam Engine
« Reply #126 on: January 24, 2012, 01:02:25 PM »
I worked that out John ... just wondered why you made 2 more rather than just 1 more and use the old one too? Presume they are different to the old one in some way?
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Offline doubleboost

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Re: Big Marine Steam Engine
« Reply #127 on: January 24, 2012, 04:34:00 PM »
Hi
Nick
I have used the original
(i cast 2 just to be safe in case i messed up the machining)
The spare one will be remelted
John
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Offline NickG

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Re: Big Marine Steam Engine
« Reply #128 on: January 27, 2012, 12:53:40 PM »
Ah I see, lovely work anyway  :thumbup:
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Offline doubleboost

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Re: Big Marine Steam Engine
« Reply #129 on: January 29, 2012, 05:47:07 PM »
Hi
Had a good few hours in the shop this weekend
Had a bit play with the rotary table
http://i261.photobucket.com/albums/ii63/john970s0/P1260080.jpgBig Marine Steam Engine
http://i261.photobucket.com/albums/ii63/john970s0/P1270086.jpgBig Marine Steam Engine
http://i261.photobucket.com/albums/ii63/john970s0/P1270087.jpgBig Marine Steam Engine

Time for some filing
http://i261.photobucket.com/albums/ii63/john970s0/P1270089-1.jpgBig Marine Steam Engine

The rod ends are threaded left and right hand thread ,this makes setting the slide valve easy

http://i261.photobucket.com/albums/ii63/john970s0/P1290014.jpgBig Marine Steam Engine
http://i261.photobucket.com/albums/ii63/john970s0/P1290015.jpgBig Marine Steam Engine
http://i261.photobucket.com/albums/ii63/john970s0/P1290020.jpgBig Marine Steam Engine
http://i261.photobucket.com/albums/ii63/john970s0/P1290010.jpgBig Marine Steam Engine
http://i261.photobucket.com/albums/ii63/john970s0/P1290032.jpgBig Marine Steam Engine
Just a nice big reversing handle and some linkage
John
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Offline saw

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Re: Big Marine Steam Engine
« Reply #130 on: January 29, 2012, 06:32:22 PM »
Looking very fine, good work as usual  :clap: :clap: :clap:
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Offline sbwhart

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Re: Big Marine Steam Engine
« Reply #131 on: January 30, 2012, 02:43:51 AM »
Real neat job John.  :thumbup: :thumbup: :thumbup:  :clap: :clap: :clap: :clap: :clap:

How did you cut the left hand thread have you got a set of tap and dies or did you screw cut them  :scratch:

Stew
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A little bit of clearance never got in the road
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Offline doubleboost

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Re: Big Marine Steam Engine
« Reply #132 on: January 30, 2012, 04:12:00 PM »
Hi
Stew
I have 6 mill left hand tap and die
I also have some left hand unf taps (motor racing days radius rods ect)
John
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Offline sbwhart

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Re: Big Marine Steam Engine
« Reply #133 on: January 30, 2012, 05:32:06 PM »
Thanks John

I was wondering if you'd gone round the back of the lathe and screw cut some left handers.

 :lol: :lol: :lol: :lol: :lol: :lol:

Stew
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A little bit of clearance never got in the road
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Offline Ross

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Re: Big Marine Steam Engine
« Reply #134 on: January 30, 2012, 05:49:27 PM »
Amazing work, and a great read!

Ross
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Offline doubleboost

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Re: Big Marine Steam Engine
« Reply #135 on: January 30, 2012, 05:55:16 PM »
Thanks Ross
Stew the external 6 mill no problem
But left hand internal that small (6 is small for me) :lol: :lol: :lol: :lol:
Tool upside down lathe running backwards blind hole  :doh: :doh: :doh: :doh:
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Offline doubleboost

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Re: Big Marine Steam Engine
« Reply #136 on: February 08, 2012, 04:45:06 PM »
Hi
Been a bit cold in the shop lately :doh: :doh: :doh:
Got a bit more done with the reverse gear
http://i261.photobucket.com/albums/ii63/john970s0/P2080015.jpgBig Marine Steam Engine

http://i261.photobucket.com/albums/ii63/john970s0/P2080014.jpgBig Marine Steam Engine

http://i261.photobucket.com/albums/ii63/john970s0/P2080011.jpgBig Marine Steam Engine

A nice brass top on the handle with a pawl mechanism
John
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Offline doubleboost

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Re: Big Marine Steam Engine
« Reply #137 on: February 19, 2012, 04:53:07 PM »
Hi
Eventually got my camera back from the daughter
Been busy with my reversing linkage
Pictures tell the story
http://i261.photobucket.com/albums/ii63/john970s0/P2190016.jpgBig Marine Steam Engine
http://i261.photobucket.com/albums/ii63/john970s0/P2190007.jpgBig Marine Steam Engine
http://i261.photobucket.com/albums/ii63/john970s0/P2190005.jpgBig Marine Steam Engine
http://i261.photobucket.com/albums/ii63/john970s0/P1290010-1.jpgBig Marine Steam Engine
http://i261.photobucket.com/albums/ii63/john970s0/P2190017.jpgBig Marine Steam Engine
Runs well in ether direction
It makes nice noises with some cut off
I will do a bit video of it in steam
Then strip it ready for paint
Could be a big mill engine next
John
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Offline sbwhart

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Re: Big Marine Steam Engine
« Reply #138 on: February 19, 2012, 05:01:21 PM »
Thants a superb job John, you should be very proud of it.

 :clap: :clap: :clap: :clap: :clap: :clap: :clap:

Real keen to see the vid of the reverse working

Quote
Could be a big mill engine next

I can get you into this place http://www.nmes.org/ to measure one up.

Stew

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A little bit of clearance never got in the road
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Offline doubleboost

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Re: Big Marine Steam Engine
« Reply #139 on: February 19, 2012, 05:16:09 PM »
Hi
Stew
That would be good
We will sort something out when it warms up :) :) :) :) :)
John
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Offline Stilldrillin

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Re: Big Marine Steam Engine
« Reply #140 on: February 20, 2012, 02:26:34 AM »
Wonderful work John!  :clap: :clap: :thumbup:

David D.
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David.

Still drilling holes... Sometimes, in the right place!

Still modifying bits of metal... Occasionally, making an improvement!

Offline Xldevil

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Re: Big Marine Steam Engine
« Reply #141 on: February 20, 2012, 03:37:36 AM »
Hello.
What an amazing engine.Absolute wonderful.
You have to be proud of it.
 :clap: :clap:
Cheers,Ralph
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Offline arnoldb

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Re: Big Marine Steam Engine
« Reply #142 on: February 20, 2012, 10:55:26 AM »
 :thumbup: :thumbup: It looks great with the reversing gear added John  :bow:

 :D Really looking forward to a video of it running!

 :beer:, Arnold
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Offline marfaguy

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Re: Big Marine Steam Engine
« Reply #143 on: February 20, 2012, 02:21:01 PM »
This whole thread is very inspiring. Nicely done and thanks for posting the videos.
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Offline doubleboost

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Re: Big Marine Steam Engine
« Reply #144 on: March 13, 2012, 06:17:21 PM »
Hi
Gave the engine a coat of paint and a bit clean up
More pictures
http://i261.photobucket.com/albums/ii63/john970s0/P3130010.jpgBig Marine Steam Engine

http://i261.photobucket.com/albums/ii63/john970s0/P3130009-1.jpgBig Marine Steam Engine

http://i261.photobucket.com/albums/ii63/john970s0/P3130008.jpgBig Marine Steam Engine

http://i261.photobucket.com/albums/ii63/john970s0/P3130006.jpgBig Marine Steam Engine

http://i261.photobucket.com/albums/ii63/john970s0/P3130005.jpgBig Marine Steam Engine

http://i261.photobucket.com/albums/ii63/john970s0/P3130004.jpgBig Marine Steam Engine

http://i261.photobucket.com/albums/ii63/john970s0/P3130012-1.jpgBig Marine Steam Engine

Going to steam it this weekend  :drool: :drool: :drool:
I will do a bit of video of the reversing gear
Fancy a nice wobbler next something smaller :D :D :D
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Rob.Wilson

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Re: Big Marine Steam Engine
« Reply #145 on: March 13, 2012, 06:33:02 PM »
 :clap: :clap: :clap: :clap: lookin mighty fine John  :clap: :clap: :clap: :clap: :)

Rob
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Offline saw

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Re: Big Marine Steam Engine
« Reply #146 on: March 13, 2012, 06:42:43 PM »
Wonderful  :bow: :bow: :bow:
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Offline DaveH

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Re: Big Marine Steam Engine
« Reply #147 on: March 13, 2012, 06:43:13 PM »
John,

It sure does look nice, looking forward to the video :clap: :thumbup:

 :beer:
Dave
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Offline Stilldrillin

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Re: Big Marine Steam Engine
« Reply #148 on: March 13, 2012, 06:49:12 PM »
Looking very smart John!  :thumbup: :clap: :clap:

David D
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Still drilling holes... Sometimes, in the right place!

Still modifying bits of metal... Occasionally, making an improvement!

Offline Bluechip

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Re: Big Marine Steam Engine
« Reply #149 on: March 13, 2012, 06:54:48 PM »
 :thumbup:  :thumbup:  :thumbup:  :thumbup:

Really smart that is John .... 

Just the dog's doins ...

Brunswick green ???

Know what would finish it off ???    ........ A Dynamo .....  :clap:

Geezer just north of me has one IIRC ....  :lol:

BC
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I have a few modest talents. Knowing what I'm doing isn't one of them.
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