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1. [TowerTalk] Mast Insertion Depth (score: 1): Author: djl@andlev.com (Dan Levin); Date: Mon, 5 Oct 1998 20:11:04 -0700; Is there a rule of thumb about what percentage of the mast should extend down into the tower to the rotor, vs. what percentage should extend out to the top of the tower to hold the antennas? Thanks,; /archives//html/Towertalk/1998-10/msg00096.html (6,981 bytes)
2. [TowerTalk] Mast Insertion Depth (score: 1): Author: K7LXC@aol.com (K7LXC@aol.com); Date: Tue, 6 Oct 1998 08:50:55 EDT; Hmm, interesting question. The short answer is no. The long answer is that there are two primary forces at work. The (relatively) smaller is the bending moment of the mast on the top of the tower. Th; /archives//html/Towertalk/1998-10/msg00104.html (8,595 bytes)
3. [TowerTalk] Mast Insertion Depth (score: 1): Author: "WA6RKN" <WA6RKN@ARRL.net>; Date: Mon, 16 Feb 2009 13:23:43 -0800; What I have is a 6 foot roofer...the rotator base sits 24" down from the thrust bearing mount surface.....Can't get much mast down in that setup. As much as the wife is gonna grump, I think I will of; /archives//html/Towertalk/2009-02/msg00408.html (9,652 bytes)

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