background image

11 

Bolts here 

Bolts here 

Fig. 5 

BMI—holes for U-bolt 
            or SlippNott 

Reinforcement  Washers 

Upper Boom 

Lower Boom 

BMI—holes for U-bolt 
 

or SlippNott 

Boom 

These bolts extend away from the other 
boom following final assembly. 

Element 

Fig. 4 - Elements to Boom Assembly 

Referring to Fig. 1-3, insert the dimpled end of the proper element into the proper hole in the boom and secure the ele-
ment into place with a 10-24 bolt through the 

3/8” hole

, through the element and out the smaller hole. Then, secure it 

with the nyloc nut. 

 

Fig. 7 - COAX CABLE ATTACHMENT 

 
Top Boom           

 

Center conductor  

                               

to either side 

 
 

Lower Boom

 

Shield to either  

 

 

side 

Fig. 6 - BOOM-MAST INSULATOR ATTACHMENT TO BOOM 

Boom with Flat Spacers Shown 

BS Splices with Coupler Inserted 

Fig. 8 - ANTENNA TO MAST WITH SLIPP NOTT 

Содержание 100224

Страница 1: ...MINAL MAXIMUM SWR 1 7 1 FEED WITH 50 52 OHM COAXIAL CABLE POWER CAPABILITY LEGAL LIMIT BOOM LENGTH 24 FT WEIGHT 68 LBS WIND AREA 10 1 SQ FT WIND LOAD 80 MPH 162 LBS LONGEST ELEMENT 38 FT TURNING RADIUS 22 FT SUGGESTED MAST 2 OD MAXIMUM WIND 100 MPH ALUMINUM ALLOY 6061 T6 Mill finish HARDWARE STAINLESS STEEL NUMBER OF ELEMENTS 10 NOTE The above performance characteristics are nominals and may vary ...

Страница 2: ...er assembly installation or use of an antenna d from failure periodically to inspect and maintain an antenna and its installation or e the antenna coming into contact with a source of electrical power The customer is respon sible to insure that the installation and use of an antenna complies with applicable laws such as zoning laws and regulations such as condominium regulations The laws of some s...

Страница 3: ...CE INSERTS 8 6 21 LARGE FLAT SPACERS 4 22 SMALL FLAT SPACERS 12 23 PLASTIC BOOM MAST INSULATOR BMI 1 24 BMI REINFORCEMENT THICK WASHERS 4 25 SLIPPNOTT CLAM SHELLS pair 1 BOLTS MACHINE SCREWS 26 B 3 8 16 x 3 5 Hex 4 27 3 8 16 x 4 5 for SLIPPNOTTS 4 28 MS 20 x 2 Element 1 2 29 MS 10 24 x 2 5 20 30 MS 10 24 x 1 5 18 31 MS 10 24 x 1 1 4 Elements 16 32 MS 10 24 x 1 0 Elements 14 33 MS 6 32 x Element Ti...

Страница 4: ...rst Tube of Element 4 4 nested tubes 64 5 375 Mast Insulator 67 5 375 Mast Insulator 69 0 1875 Boom Splice 71 0 1875 Boom Splice 3 1 0 1875 Boom Splice 3 0 1875 Boom Splice 18 7 625 First Tube of Element 5 3 nested tubes 32 0 1875 Small Flat Spacer 49 2 625 First Tube of Element 6 3 nested tubes 67 0 1875 Small Flat Spacer 69 0 1875 Boom Splice 71 0 1875 Boom Splice 4 1 0 1875 Boom Splice 3 0 1875...

Страница 5: ...s attached 2 Boom Section Splicing After which you will have 2 identical sub booms 24 feet long 3 Boom Completion Spacers attached and booms secured atop each other 4 Element Build Out Completed antenna with elements attached 5 Attachments and Feedline Installation of BMI shorting stub balun antenna ready to go in the air ASSEMBLY INSTRUCTIONS This antenna has two sub booms one will be placed atop...

Страница 6: ...T at 48 9 10 24 x 1 5 machine screws nuts 3 875 x 12 8 tube BS 2 to the RIGHT at 19 0 10 24 x 1 5 machine screws nuts 4 750 x 16 0 tube BS 2 to the LEFT at 56 8 10 24 x 1 5 machine screws nuts 5 625 x 33 0 tube BS 3 to the RIGHT at 18 7 10 24 x 1 5 machine screws nuts 6 625 x 17 9 tube BS 3 to the LEFT at 49 2 10 24 x 1 5 machine screws nuts 7 625 x 4 2 tube BS 4 to the RIGHT at 4 5 10 24 x 1 5 ma...

Страница 7: ... right end 10 24 x Socket HD Cap Screws nuts Position the Socket HD Cap Screws on the tip of supplied Allen Wrench and insert it upward through the larger hole 1 2 or 3 8 in the bottom of the boom continuing upward with it through the smaller hole in the top of the boom until the Socket HD Cap Screw protrudes upward and outside of the boom Secure it here with the 10 24 nyloc nuts 12 8 splice inser...

Страница 8: ...he spacers installed Slide the top boom down between the flat spacers using the same type fasteners as were used in Steps 1 20 above Flexing of the booms a bit may be necessary here Nothing should be between these booms except air The element halves should point in opposite directions i e half of 1 to the right with the other half of the same element to the left from the other boom The next elemen...

Страница 9: ...DRAWINGS Step 47 SHORTING STUB Remove the nuts from the 20 machine screws holding Element 1 in place slip the shorting stub onto these and re place the nuts while positioning the stub per the photos Reach into the element tube with long nosed pliers to hold the machine screws in place for tightening during this step The Collins Balun This uses approximately 12 ft of ONLY RG 8 or RG 213 coaxial cab...

Страница 10: ...2 48 9 3 19 0 2 4 56 8 5 18 7 3 6 49 2 7 4 5 4 8 29 1 9 51 2 10 17 0 ______________________________________________________________________________________ FIG 3 This is what HALF of the antenna should look like a single boom only when viewed from above or below The point is the elements in the top boom alternate in direction right left right left Etc The elements in the lower boom also alternate ...

Страница 11: ... insert the dimpled end of the proper element into the proper hole in the boom and secure the ele ment into place with a 10 24 bolt through the 3 8 hole through the element and out the smaller hole Then secure it with the nyloc nut Fig 7 COAX CABLE ATTACHMENT Top Boom Center conductor to either side Lower Boom Shield to either side Fig 6 BOOM MAST INSULATOR ATTACHMENT TO BOOM Boom with Flat Spacer...

Страница 12: ...12 These photos show proper element phase reversal and attachment of the coax to the lower boom ...

Отзывы: