Category: General

How much do you torque a screw?

US Recommended Bolt Torque Size Recommended Torque Grade 2 Grade 5 7/8″ 129 322 1″† 188 483 * Sizes from #4 to #10 are in lb-in. Sizes from 1/4″ up are in...

What is a Group 3 aircraft?

Group III: 79 feet (24 m) up to but not including 118 feet (36 m) wingspan or tail height from 30 up to but not including 45 feet. Group IV: 118 feet (36 ...