| Author |
Message |
    
pjsalpine
New member
Username: pjsalpine
Post Number: 1
Registered: 08-2015
| | Posted on Tuesday, August 25, 2015 - 04:15 pm: | 
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Hi new to this board, I trying to find blue prints and spec docs for the liberty v12 and it's other cousins.
What is the crankshaft length and offsets? |
ldobbins
Senior Member
Username: ldobbins
Post Number: 179
Registered: 12-2002
| | Posted on Tuesday, August 25, 2015 - 04:44 pm: |
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Greetings,
There is a fair amount of information out there on the Liberty engine. She is a 5" bore by 7" stroke as designed.
The Smithsonian put out a good book on the Liberty several years back. There are a couple copies on EBAY now. Here is one of them: http://www.ebay.com/itm/The-Liberty-Engine-1918-1942-By-P-S-Dickey-III-National- Air-Space-Smithsonian-/181818685859?hash=item2a553cf9a3
The late (my friend) Robert Neal wrote the best book on the Liberty in 2009: "A Technical & Operational History of the Liberty Engine". There are a couple of them on EBAY as well: http://www.ebay.com/itm/NEW-A-Technical-Operational-History-of-the-Liberty-Engin e-Tanks-Ships-and-Ai-/391005019520?hash=item5b09b71d80
Are you just doing research or do you have one and are planning to restore it?
Cheers,
Lew |
pjsalpine
New member
Username: pjsalpine
Post Number: 3
Registered: 08-2015
| | Posted on Tuesday, August 25, 2015 - 05:59 pm: |
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Good afternoon,
Research to see if my shop equipment is going to adequate for the job.
Do you happen the crank length end to end.
Peter |
david_in_ma
Advanced Member
Username: david_in_ma
Post Number: 36
Registered: 03-2010
| | Posted on Tuesday, August 25, 2015 - 07:56 pm: |
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ldobbins,
So very sorry to hear of Mr. Neal's passing. I had a few phone tlks with him in the past. His books are treasured here. I've built many V 12s and Su8s. Mr. Neal was an incredible Packard engine historian. A great loss. David |
ldobbins
Senior Member
Username: ldobbins
Post Number: 180
Registered: 12-2002
| | Posted on Tuesday, August 25, 2015 - 08:24 pm: |
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Greetings David,
It is a great loss. Bob was a good guy and always willing to help with answering questions.
Any Std 8s?
What years?
I have a 902 project.
Cheers,
Lew |
ldobbins
Senior Member
Username: ldobbins
Post Number: 181
Registered: 12-2002
| | Posted on Tuesday, August 25, 2015 - 08:25 pm: |
|
Hi Peter,
I will try to look it up for you but my guess is around 5 feet.
Cheers,
Lew |
ldobbins
Senior Member
Username: ldobbins
Post Number: 184
Registered: 12-2002
| | Posted on Tuesday, September 01, 2015 - 12:08 am: |
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Hi Peter,
The Liberty V-12 crankshaft is about 65 inches long. It depends on the application as to the actual length of the crank snout (aircraft prop end).
Cheers,
Lew |
pjsalpine
Member
Username: pjsalpine
Post Number: 4
Registered: 08-2015
| | Posted on Tuesday, September 01, 2015 - 01:35 pm: |
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Thanks Lew for looking this up.
Peter |
