maco_FLAT6.pdf

ASSEMBLY INSTRUCTIONS

6 ELEMENT - 11 METER

MONOBANDER

FLATSIDER 6

Mac0 Manufacturing Co. - Division of Majestic Communications, Inc.

4091 Viscount - Memphis, Tennessee 38118 (901) 794-9494

MAC0 FLATSIDER 6

PARTS LIST

PART GTY

T52P

0 a SIZE LENGTH

DESCRIPTION

CHECKLIST

2”

.057”

80”

Alum. Tubing slotted one end

Alum. Tubing swaged one end/slotted

other end

Alum. Tubing

Alum. Tubing slotted both ends

Alum. Tubing swaged one end tol.875

Alum. Tubing

Alum. Tubing slotted one end

Alum. Tubing - Hard

Gamma Match

Steel Guy Cable

Vertical Guy Support

2” Boom to 2” Mast Plate

Stranded Copper Antenna Wire

Multi-Screen Fiberglass Rods

T31P

2”

.047”

T53P 1

TllP 8

T57P 2

TO1 8

T04P 2

T58P 2

2600 1

WD2P 1

VO3P 1

POlP

1.845” .060”

518” .047”

2” .047”

l/2” .041”

318” .035”

80”

72”

36”

72”

I 1 718”

5KW

25’

24’

8”

90’

48”

6/18

1”x 1”

WO4P

FA2P 4

14 GA.

UOl

2”

Plated U-Bolts

so1

2”

Plated Saddles

EGl 4

N18 2

PLl 2

PL2 10

PL5 1

PLSR 1

co2 2

S42 1

ZO2P 2

ZO8P 2

NO1 44

NO2 40

Nil 22

s21 21

W58P 12

N12

5/l 6”

318”

.437”

2”

l/2”

Egg Insulators

Eye Bolts

Plastic Caps - Black

Plastic Cap - Red

Metal Clamps - Al l/2

Coax. Conn. w/ Mounting Nut

4” Gamma Straps

Gamma Straps f/ Coax Connectors

Hex Nuts

Lockwashers

Square Nuts

Machine Screws

Extruded Alum. Clamps

No. 10 Lockwashers

No. 10 Flatwashers

5/l 6”

5116”

1 O-24

l/2”

518”

N26

BE2P 7

2” Boom to 5/8” Element Mounts

WHEN ORDERING REPLACEMENT PARTS, ALWAYS GIVE PART NUMBER AND DESCRIPTION.

PLEASE NOTE: In an effort to keep the price on Mace Antennas down, we have decided not to clean up all the burrs and rough

edges on the parts. We recommend that you debut-r and clean up each part with files, sandpaper, etc. so that they go together

easily. We are aware this needs to be done, but have elected not to do it to save you the money we would have to add to the

price of the kit for this service.

FLATSIDER 6

r REFLECTOR

(SEE FIG. 38)

I -DRIVEN ELEMENT

PL5 - BLACK

PLASTIC CAP

.MMA MATCH

(SEE FIG. 4)

1 st DIRECTOR

2nd DIRECTOR J

(16’ - 6”) A

3rd DIRECTOR

(16’ - 6”)

PLSR - RED

PLASTIC CAF

4th DIRECTOR -/

(16’ - 2”)

NOTES:

&OR DETAILS OF BOOM & GUY ASSEMBLY AND MAST MOUNTING, SEE FIG. 2.

AFOR DETAILS OF ELEMENT ASSEMBLY AND MOUNTING, SEE FIG. 3.

GENERAL ASSEMBLY < @%D

FLATSTDER 6

MAC0 FLATSIDER 6

ASSEMBLY INSTRUCTIONS

FIGURE 1 GENERAL INSTRUCTIONS

This drawing depicts an overall view of what the antenna should look like upon completion of

assembly. Refer to Figures 2 thru4 for specific assembly details. All hardware should be coated with a silicon

rubber sealant or similar compound to insure that wind vibration does not cause it to work loose.

Upon completion of assembly, install the red plastic cap (PLSR) on the director end of the antenna,

and the black cap (PL5) on the reflector end. This will allow you to determine at a glance the direction of

transmit and receive.

FIGURE 2 BOOM & GUY ASSEMBLY

To assemble the boom, first mark the center of the boom coupler (T53) and slide the unslotted ends

of the center boom sections (T52P) over the each end of the coupler so that they butt in the center. Next attach

the boom-to-mast plate (POlP) and the vertical guy support (VO3P) at the boom center using 2” U-bolts,

saddles and hardware as shown. (Refer to Detail 2A.)

Now, slide the swaged ends of the intermediate boom sections (T3 1P) into the slotted ends of the

center boom sections. Secure with 2” U-bolts, saddle and hardware as shown. (Refer to Detail 2B.) Next,

slide the swaged ends of the boom sections and secure in the same manner. (Refer to Detail 2B.)

The first step in assembling the guy cable is to cut four lengths of 2 feet each off the roll of cable.

Take two 2 foot lengths and attach one end of each to an egg insulator (EGl) and the other end to an eyebolt

(N18) so that the distance between the eyebolt and the insulator is 1 foot. Attach both eyebolts to the vertical

guy support with 5/l 6” hexnuts as shown in detail 2C. Run the outside hex nuts only a couple of turns onto

the ends of the eyebolts and leave the inside nuts loose so that you can take the slack out of the cable later.

Now take two 2 foot lengths and attach an egg insulator to one end of each in the same manner. (At this point,

it is necessary to go on to element assembly and mounting, before completing the guy cable assembly.

Take both 2 foot cable lengths with the egg insulators attached and fasten one to the boom and the

driven element and the other at the 3rd director. Wrap as shown in Detail 2D so that the distance between

the boom and insulator is 1 ft.

Now take the remaining cable and allowing approximately 9” at each end for wrapping, stretch it

between the insulators one end of the boom and cut it off. Leaving as little slack as possible, wrap each end

of the cable around the insulators as shown in details 2C and 2D.

Do the same thing for the cable on the other end of the boom. Take the rest of the slack out of the

cables by tightening the outside hex nuts on the eyebolts. Lock them in place by tightening the inside hex

nuts. This antenna is designed for mounting on a 2” O.D. heavy duty mast. Mount using 2” U-bolts, saddles

and hardware as shown in Detail 2E.

FIGURE 3 ELEMENT ASSEMBLY

Prior to assembling elements slide a boom-to-element mount (BE2P) onto each ofthe (6) element center sections

(TllP). Assemble each element as shown using the clamps and hardware specified. Refer to the element table to

determine dimensions for each element. Install a black plastic cap (PL2) onto both ends of each element. Assemble the

reflector elements in the same manner, sliding the fiberglass arms approximately 6 inches into the ends of the center

sections (TllP). Snug the clamps but don’t tighten at this time because the arms will have to be adjusted after installing

the reflector wire.

FLATSIDER 6

FIGURE 3B ELEMENT MOUNTING

Mark each element at the center and be sure that the boom-to-element mounts (BE2P) are centered on the

elements before tightening hardware. Starting 1” from the director end of the boom, mount each element using 2” U-

bolts, saddles, boom-to-element mounts and hardware as shown. Refer to Figures 1 & 3B for element spacing

dimensions. (At this point go back and complete the guy cable assembly.)

FIGURE 3C REFLECTOR ASSEMBLY

The length of the reflector wire is very critical. It must be the correct length to operate correctly. Take the wire

(WO4P) and uncoil it making sure that there are no kinks; secure it to a nail. Pull the wire until it stretches an inch or

so. The easy way to get the correct length for the reflector loop is as follows:

1. Drive 2 nails in a board or fence l/2 the length of the loop apart --which is 22% l/2” between them.

2. Stretch the wire around the nails by hand as tightly as possible and splice ends together. Solder the splice. Remove

one nail and remove the loop. Cut any excess wire off.

3. Loosely assemble the machine screws (S2 l), flatwashers (N26), lo&washers (N12), and hex nuts

(NO6) onto the lugs of the fiberglass arms, adjusting the length as shown.

4. Tighten 3 of the 4 clamps that hold the fiberglass rods.

5. Install the wire as shown.

6. Tighten the wire by pulling the fourth fiberglass rod until the wire is the same tightness as it was

around the nails. The wire loop is now the correct length. Note the total length of the loop is critical, and also is the

length of each side. REMEMBER: Reflector dimensions are only preliminary. Change to get equal sides of 9’ 4-3/

4” . Fiberglass length is not critical, however the equal wire length of 9’ 4-3/4” is very critical.

7. Take the remaining reflector wire and thread it through the drill holes in the four spreaders pulling stung and splicing

each piece. This completes the reflector assembly.

FIGURE 4 GAMMA MATCH MOUNTING

Mount the gamma match (GO 1P) to the horizontal driven element, using the gamma strap (ZO2P, ZOSP) and

attaching hardware as shown. Attach your 52 ohm coaxial cable to the connector (S42) and dress along boom and down

the mast.

ADJUSTING STANDING WAVE RATIO

Refer to Figure 4. The dimensions given are approximate and should be used as a starting point. The following

instructions cover the adjustment of one gamma match. To adjust the second gamma match, simply repeat this

procedure.

The gamma match has 2 adjustments. First is the capacitor adjust and the second is the slider adjust. Connect

a S W .R bridge to the coax between your transmitter and the antenna and check the S .W .R. If adjustment is required

loosen the clamp on the gamma match and the screws holding the slider (Gamma Straps ZO2P). Next move the capacitor

adjustment first in one direction then the other until a minimum S.W.R. reading is obtained. If S.W.R. is not yet

satisfactory, move the slider out 2” away from the boom. Ifthe reading has gone up, move the slider back to the original

position and then 2” toward the boom. Now readjust the capacitor for minimum S.W.R. you should now be able to

determine which direction to move the slider. Repeat the above procedure moving the slider in smaller increments until

a satisfactory S.W.R. reading is obtained. Tighten all hardware. Disconnect the S.W.R. bridge and reconnect your

coaxial cable.

the screws. Bring the ends together and lineup the marks that are 2” from each end. Now twist the loose

ends together and solder as shown. Adjust each fiberglass arm so that the reflector wire becomes taut and

each leg of the square is 9’ -4 3/4” and tighten the clamps. A slight natural bowing of the fiberglass is normal.

This will not affect normal operation of the antenna as long as the lengths of wire are correct.

FLATSIDER 6

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