The vertical distance between the axle and head tube wouldn't affect the moment caused by horizontal impacts from straight ahead (an angleset actually helps this), but the horizontal distance (which does increase with both a longer fork and/or an angleset) does affect the moment caused by vertical impacts, which are prominent due that pesky thing called gravity.
Think of an ab roller. What's the hardest part? When your arms (fork) are more vertical and the roller (front wheel) is below your shoulders (head tube), or when your arms are at a "slack" angle and the roller is out in front of you?
Jan. 4, 2018, 9:58 a.m. - MTBrent
The vertical distance between the axle and head tube wouldn't affect the moment caused by horizontal impacts from straight ahead (an angleset actually helps this), but the horizontal distance (which does increase with both a longer fork and/or an angleset) does affect the moment caused by vertical impacts, which are prominent due that pesky thing called gravity. Think of an ab roller. What's the hardest part? When your arms (fork) are more vertical and the roller (front wheel) is below your shoulders (head tube), or when your arms are at a "slack" angle and the roller is out in front of you?