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 Post subject: MAN F6V35 WWI U-Boat Engine
PostPosted: Tue Jun 18, 2013 11:54 pm 
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Full Steam Ahead
Full Steam Ahead

Joined: Mon Sep 26, 2011 4:23 pm
Posts: 317
Boat Name: SL Iona
For those of you who appreciate slow-speed, historic dies*ls. A MAN F6V35 running under load.

http://www.youtube.com/watch?v=5opnhfG35zo

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 Post subject: Re: MAN F6V35 WWI U-Boat Engine
PostPosted: Sun Aug 10, 2014 8:19 am 
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Full Steam Ahead
Full Steam Ahead

Joined: Fri Nov 20, 2009 8:02 am
Posts: 232
Location: Cumbria U.K.
I would not consider this a slow speed engine, the last one I was in charge of ran at 68RPM max, 30000 SHP.
regards Jack


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 Post subject: Re: MAN F6V35 WWI U-Boat Engine
PostPosted: Sun Aug 10, 2014 9:19 pm 
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Lighting the Boiler
Lighting the Boiler

Joined: Wed Nov 25, 2009 5:56 am
Posts: 40
Boat Name: Arcturus
The Atlas Imperial in my boat idles at 80 rpm and is full out at 325 rpm directly coupled to the screw. Any more these days any oil fired engine turning under 1000rpm is considered slow!! :roll:

All the old thermodynamics and engine books I have call 1-100 rpm slow, 100-500 medium, and 500-1000 rpm high speed engines. Of course they were written in the teens and twenties.

Keith


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 Post subject: Re: MAN F6V35 WWI U-Boat Engine
PostPosted: Mon Aug 11, 2014 4:16 pm 
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Full Steam Ahead
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Joined: Mon Sep 26, 2011 4:23 pm
Posts: 317
Boat Name: SL Iona
A moving target, gentlemen. FM opposed, Alco 2xx's and EMD 567 - 710's are considered medium speed nowadays.

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