Home | Classifieds | History | Technical | Links | Store | About Us | Email
Topics Topics Edit Profile Profile Help/Instructions Help Member List Register  
Search Last 1|3|7 Days Search Search Tree View Tree View  

Lifting Eyes

Old Marine Engine » Multi Cylinder Gas Inboards » Lifting Eyes « Previous Next »

Author Message
Top of pagePrevious messageNext messageBottom of page Link to this message

el_jefe
New member
Username: el_jefe

Post Number: 3
Registered: 07-2009
Posted on Monday, December 17, 2012 - 11:47 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

Greetings,
I have a Graymarine 162 cubic inch four-cylinder engine with a Warner hydraulic transmission. Total weight is something like 550 lbs. There are no lifting eyes or brackets on the block.

Is it kosher to thread lifting eyes onto a couple of head studs? There are half a dozen that are long enough to do that. Or alternatively, use several head studs at each end of the engine to mount angle plates with integral lifting rings? The studs are new, ARP brand 3/8" fine thread head studs. Can't remember what the psi rating is, but they're high-strength steel.

What makes me hesitant is that the pull would be along the length of the stud, which means the weight would all be hanging from the threads.

Any thoughts?

PJ
Top of pagePrevious messageNext messageBottom of page Link to this message

rbprice
Senior Member
Username: rbprice

Post Number: 413
Registered: 11-2001


Posted on Monday, December 17, 2012 - 10:35 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

Depending on where you are, see if you can find some forged steel lifting nuts with a 3/8 fine thread. Make sure they have a wide flat bottom.

The average tensile strength of a Grade 5 steel bolt is appro. 8,000 lbs. so if you put one an each end of the engine your should be OK. Make sure that the lifting slings are long so that there is only a small part of the stress that is latteraly applied to the eye nuts.

If you are in the US they can be obtained from McMaster-Carr. See this link and note that the lifting rating has a safety factor of 4 or 5 to 1

http://www.mcmaster.com/#general-purpose-eye-nuts/=kn1945
Top of pagePrevious messageNext messageBottom of page Link to this message

el_jefe
Member
Username: el_jefe

Post Number: 4
Registered: 07-2009
Posted on Wednesday, December 19, 2012 - 04:35 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

I'll take a look. Thanks for the response.
PJ

Add Your Message Here
Post:
Bold text Italics Underline Create a hyperlink Insert a clipart image

Username: Posting Information:
This is a public posting area. Enter your username and password if you have an account. Otherwise, enter your full name as your username and leave the password blank. Your e-mail address is optional.
Password:
E-mail:
Options: Automatically activate URLs in message
Action:

Administration Administration Log Out Log Out   Previous Page Previous Page Next Page Next Page

Home | Classifieds | History | Technical | Links | Store | About Us | Email
&copy 2005 OldMarineEngine.com, P.O. Box 188, Forest Dale, VT 05745-0188 • Phone: 802-247-4864 • All rights reserved.
   Marine Engine Seloc Repair Manual Lookup Tool

marine gas engine repair and restoration