Cal-Av Labs 2D-40A Скачать руководство пользователя страница 20 | Manualshive

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Revised 14 June 2003

D-3

1 ea. Washer, Flat, AN-960C416
1 ea. Nut, Elastic Stop, 1/4"-20, Stainless

2 ea. Clamp, hose, all stainless, 71/95 mm, UPG P/N 4150

2 kit, STRAP, CONNECTING, HAIRPIN TO ELEMENT, consisting of:

2 ea. Strap, connecting, 0.625" wide, 8.5" long,
DWG. No. 020219-003-0001
8 ea. Washer, flat, #10 x 0.750", .250” hole, $$, P/N 10N75FENS
4 ea. Washer, flat, #10 x 0.625”, .188” hole, $$, P/N 10N62FENS
4 ea. Washer, lock, split ring, #10, stainless
4 ea. Nut, 10-24, stainless

ELEMENTS

1 assy. FRONT ELEMENT, consisting of:

2 ea. PVC insulator
1 ea. Center ins. coupling, Fiberglas, 2.0" dia., 14"long, machined.
DWG. No. 020219-001-0001
2 ea. Bolt, 1/4-20,3.5" long, hex head, stainless
6 ea. Washer, flat, AN-960C-416, stainless
2 ea. Washer, lock, split-ring, 1/4", stainless
2 ea. Nut, 1/4-20, stainless
2 ea. Tube Assy., 2.50" dia. 44.5"overall, all exposed, with 17.5" internal doubler,

DWG. No. 020506-001-0001

2 ea. Tube, 2.25" dia., 0.125 wall, 58.75" overall, 52.0" exposed
2 ea. Tube, 1.875" dia., 0.125 wall, 72.0" overall, 66.0" exposed
2 ea. Tube, 1.50" dia., 0.095 wall, 47" overall, 42" exposed
2 ea. Tube, 1.25" dia., 0.083 wall, 63.5" overall, 59" exposed
2 ea. Tube, 1.00" dia., 0.049 wall, 18.5" overall, 15" exposed
2 ea. Tube, 0.875" dia., 0.049 wall, 18.25" overall, 15" exposed
2 ea. Tube, 0.75" dia., 0.049 wall, 21.0" overall, 18" exposed
2 ea. Tube, 0.625" dia., 0.049 wall, 21.5" overall, 19" exposed
2 ea. Tube, 0.50" dia., 0.049 wall, 29.5" overall, 27" exposed
2 ea. Tube, 0.375" dia., 0.035 wall, 53.0" overall, adjustable
4 ea. Clamp, hose, all-stainless, 7/32 - 5/8, P/N 41915
4 ea. Bolt, 1/4-20, 3.5", stainless
4 ea. Washer, flat, AN960C-416, stainless
4 ea. Nut, elastic stop, 1/4-20, stainless
72 ea. Rivet, closed end, Emhart AD55H, 5/32" dia.
18 ea. Rivet, closed end, Emhart AD53H, 5/32" dia.
72 ea. Rivet, closed end, Emhart AD42H, 1/8" dia.

1 assy. REAR ELEMENT, consisting of:

2 ea. PVC insulator
1 ea. Center ins. coupling, Fiberglas, 2.0" dia., 14"long,
DWG. No. 020219-001-0001
2 ea. Bolt, 1/4-20,3.5" long, hex head, stainless

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Содержание 2D-40A

Страница 1: ...n is by means of an SO 239 UHF receptacle located in the RF neutral section of the forward hairpin This patented feed phasing and matching system also functions as a wide band high power balun Also be...

Страница 2: ...e are available from tool and hardware stores Use the appropriate size nozzle for the size rivet being pulled Note Riveting hand tools of the 20 35 class are the minimum that will give satisfactory re...

Страница 3: ...setting Element pieces have been marked for re assembly with markings on both sides of each joint Note Element naming and marking convention is as follows Imagine that you are standing at the front of...

Страница 4: ...from between the metal pieces at points of contact and to protect the electrical connection from oxidation We recommend using pure heavy silicone grease for this purpose Contact between element pieces...

Страница 5: ...Note There is an additional much smaller hole in line with one of the three lines of rivet holes It is a drain to keep water from accumulating at the joint These drain holes must face downwards when t...

Страница 6: ...m when the antenna is in position for use This is to make sure that even if a nut comes off the bolt will remain in the coupler and that the elastic material in the stop nut is not directly exposed to...

Страница 7: ...mounting plate where each of the threaded legs of each U bolt will receive a 3 8 split ring lock washer then a flanged 3 8 nut Leave the nuts at the end of the threads at this time 2 When all four U b...

Страница 8: ...he copper straps to the welded tab at the end of each hairpin tube The order of hardware for the 10 24 stainless screws in the insulating block is as follows 1 The head of the screw is on the side of...

Страница 9: ...is to be painted now is the time to paint the boom However if you do paint the boom at this time be sure to take steps to mask the hairpin assemblies and connecting straps so that they do not get pai...

Страница 10: ...a 2 inch visible section of fiberglass connector piece between B1 and A1 tubes should be centered on the mounting plate b Adjust gray slotted plastic insulator sleeves so that they are centered under...

Страница 11: ...its operating position 4 Install a flat washer a split ring lock washer and a nut on each bolt and tighten 5 After the element is secured in place on the mounting plate install the following hardware...

Страница 12: ...n sense and great care These will get your new antenna into the sky without damage to it or to you If you are not experienced with installation of larger antennas we strongly recommend that you get so...

Страница 13: ...163 pounds including mounting plates and hardware Projected area 16 8 square feet Wind survival no ice 100MPH 85 Knots Electrical Specifications Operating Bandwidth For 2 6 1 VSWR 295 kHz 36 of the ra...

Страница 14: ...hieved in practice will be affected by many aspects of the actual site where the antenna is installed All patterns modeled over ground use 5 milliSiemens for earth conductivity and 13 for earth dielec...

Страница 15: ...Revised 14 June 2003 B 2 Figure 2 B 2D 40A Elevation Plot antenna mounted 70 feet above earth Figure 3 B 2D 40A Azimuth Plot antenna mounted 70 feet above earth...

Страница 16: ...er bandwidth between the 2 1 VSWR points This is due to measurements being taken at the transmitter end of fairly long pieces of coax and to coupling of the antenna to the stuff in its near field regi...

Страница 17: ...ngths not including portion telescoped into next larger sized tubing 42 59 15 15 18 19 27 50 5 66 in 52 in 72 in 436 5 in changes with tuning Individual tubing dimensions are exposed lengths not inclu...

Страница 18: ...less 8 ea Nut elastic stop 1 4 20 stainless 8 ea Washer flat AN 960C416 stainless 1 assy PLATE FRONT ELEMENT MOUNTING consisting of 1 ea Plate Elem Mtg Stainless 0 375 thick weight 13 1 pounds DWG No...

Страница 19: ...er Flat AN 960C416 1 ea Nut Elastic Stop 1 4 20 Stainless 2 ea Clamp hose all stainless 71 95 mm UPG P N 4150 1 assy REAR HAIRPIN consisting of 1 assy insulating bushing consisting of 1 ea Mtg Bracket...

Страница 20: ...001 0001 2 ea Tube 2 25 dia 0 125 wall 58 75 overall 52 0 exposed 2 ea Tube 1 875 dia 0 125 wall 72 0 overall 66 0 exposed 2 ea Tube 1 50 dia 0 095 wall 47 overall 42 exposed 2 ea Tube 1 25 dia 0 083...

Страница 21: ...be 0 75 dia 0 049 wall 21 0 overall 18 exposed 2 ea Tube 0 625 dia 0 049 wall 21 5 overall 19 exposed 2 ea Tube 0 50 dia 0 049 wall 29 5 overall 27 exposed 2 ea Tube 0 375 dia 0 035 wall 53 0 overall...

Страница 22: ...system with the following characteristics 1 Physical spacing of the elements significantly less than 0 125 wavelengths for increased forward gain and conveniently a more compact boom The actual spaci...

Страница 23: ...the array to drain off static charges survive lightning hits and provide useful non radiative top loading of the tower structure if required 8 The feed system provides a high quality DC short across t...

Страница 24: ...red to in this appendix element lengths in inches are actually half lengths That is the element length dimension refers to the distance from the end of the outside tip section of the element to the ce...

Страница 25: ...the shorting bar and does not include the length of the straps that connect the parallel tuning line to the element All of the above settings apply only to an antenna which has fixed element half leng...

Страница 26: ...requency The 2D 40A antenna will move about 14 kHz per inch of element tip length change As you might expect the resonant frequency of the array will rise with shortening element lengths 7 If you abso...

Страница 27: ...ement The matching front shorting bar should be set to a distance of 39 75 inches back from the element end of the parallel line on which the shorting bar slides Note that this distance is to the cent...

Страница 28: ...subject to contaminants that would attack aluminum ocean air acid rain etc Other advantages include cleaner handling bare aluminum can be really dirty stuff protection and easy to disassemble locking...

Страница 29: ...ment to the boom Balance it on a stepladder step so that it is about chest high Wipe the element down with a rag dampened with MEK Be sure to remove any silicone grease residue Be careful not to let t...

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