Tag: Rigs

Free Download C.P. Chugh, V.M. Sharma, Ken Steele, "Design Criteria Drill Rigs: equipment and drilling techniques"
English | 2006 | pages: 413 | ISBN: 9054102578 | PDF | 22,5 mb
This text discusses factors such as mast overload, capacity of drawworks, and deviation in the hole to be drilled and the strata to be drilled. An omnibus approach to drilling techniques and problems is adopted.

Free Download Jenny Bennett – Sailing Rigs: An Illustrated Guide
Naval Institute Press | 2005 | ISBN: 1591148138 | English | 104 pages | PDF | 103.89 MB
This concise reference book describes development of European and North American sailing rigs and defines and explains all the different forms, both for square and fore-and-aft rig.