Martin Aluminum Tower Specifications

Martin Aluminum Tower Section

GlenMartin's Aluminum Tower Series features unmatched strength, versatility, and durability. A unique bolted construction eliminates the hassles of cracked welds. In fact, our bolted construction increases the strength of the tower, by giving the tower the small about of flexibility that is needed when faced with varying weather conditions. All together, you'll find that Martin Aluminum Towers are "Above the Rest!"

Choose Tower Type:	M-13 10' Section	M-18 10' Section
Tower Width	12-3/4	17-3/4
Weight	33 lbs.	35 lbs.
Material	6061-T6 Anodized Aluminum w/ Satin Finish
Hardware	18-8 Stainless Steel, 1/4-20 Nylon Insert Lock Nuts
Tower Brace Diameter	1/2" OD X .062 Wall	5/8" OD X .062 Wall
Cubic Yards Concrete Required for Footing	1 1/4 Yards	2 1/2 Yards
Wind Rating @ 50'	12 sq. ft @ 87 mph	16 sq. ft. @ 87 mph

Tower Wind Load Capacity with Guys at Top (sq. ft.)
Miles per hour Lbs. per sq. ft.	80 mph 25 psf	87 mph 30 psf	100 mph 40 psf
M-1330A 30' Tower	16.8	14	10.5
M-1340A 40' Tower	15.6	13	9.75
M-1350A 50' Tower	14.4	12	9
M-1840A 40' Tower	20.4	17	12.75
M-1850A 50' Tower	19.2	16	12

Guying & Space Requirements (See graph at left)
Tower Height	A	B	C	D	E	F	G
30' tower	30'	―	24'	―	39'	36'	42'
40' tower	40'	―	32'	―	52'	48'	55'
50' tower	50'	―	40'	―	68'	60'	69'

	Related Links
	Martin Aluminum Towers- Home
	Aluminum Structures- A complete analysis
	Tower Construction & Materials- What's the tower made of?
	Tower Footing Summary
	Tower Packages- What's Included, and Pricing
	Tower Accessories- Everything Else You Might Need
	Guide to Amateur Towers & Accessories Home Page

To request a free copy of the GlenMartin Guide to Amateur Radio Towers and Accessories, click here.