Wood Joint Strength Test Comparison Videos
- Overview
- Series 2
- Series 3
- Series 1.1
- Series 1.2
.
WOOD JOINT STRENGTH TEST RESULTS
From Series 2 Video
#20 BISCUIT |
285 lbs. per square inch |
POCKET HOLE (5 SCREWS) |
420 lbs. per square inch |
DOUBLE DOMINO |
560 lbs. per square inch |
ROUTED MORTISE & TENON |
640 lbs. per square inch |
MULTIPLE DOWEL |
890 lbs. per square inch |
All wood joint connections were the maximum width available, and with a length or penetration of 1 inch.
ALL TESTING MONITORED BY MIKE KAMPEN, PROFESSIONAL FURNITURE MAKER AND WRITER
Strength Test Comparison Video for Popular Wood Joinery Systems
This video compares the strengths of popular wood joinery systems available on the market including pocket hole screws, biscuits, dominos, mortise and tenon and multiple dowels. The connection length used was 1 inch. This was a second series of tests done in 2008 which was independantly witnessed by Michael Kampen of the Canadian Woodshop News and Review website.
Click here to view an online Flash version of this video at Yahoo
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Strength Test Comparison Video: Mortise and Tenon Joint with 2" Tenon vs Multiple Dowel Joint with 2" Penetration
This video is a response to an invalid strength test published by a prominent woodworking magazine. In the test for this video, proper engineering practices are followed to compare the strength of a mortise and tenon joint having a 2 inch long tenon to a multiple dowel joint having 2 inch dowel penetration into each workpiece.

Click here to view an online Flash version of this video at Yahoo





