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SkyHawk 3X10
20/15/10 Meter Tri-Band
Yagi Antenna
DXE-3X10-INS Rev 1b
© DX Engineering 2017
1200 Southeast Ave. - Tallmadge, OH 44278 USA
Phone: (800) 777-0703 ∙ Tech Support and International: (330) 572-3200
Fax: (330) 572-3279 ∙ E-mail:
DXEngineering@DXEngineering.com
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Summary of Contents for DX Engineering SkyHawk 3X10
- Page 1 SkyHawk 3X10 20/15/10 Meter Tri-Band Yagi Antenna DXE-3X10-INS Rev 1b © DX Engineering 2017 1200 Southeast Ave. - Tallmadge, OH 44278 USA Phone: (800) 777-0703 ∙ Tech Support and International: (330) 572-3200 Fax: (330) 572-3279 ∙ E-mail: DXEngineering@DXEngineering.com...
- Page 2 DX Engineering SkyHawk 3X10 Congratulations on the purchase of your DX Engineering SkyHawk 3X10. You now possess the finest computer optimized tri-band on the market. The SkyHawk features low weight, zero mast torque, a balanced beam and high wind survival. Corrosion and UV resistant materials are used throughout its construction.
- Page 3 15 meters: Three elements Effective boom length: 15 ft., 6 in. VSWR: less than 1.5:1 between 21.0 and 21.45 MHz, measured at feed-point Front to back: >16 dB across the entire band F/B peaks at 21.350 at 24.5 dB ...
- Page 4 CHOOSING AN INSTALLATION SITE: As with all directional antennas, care must be taken in the choice of an installation site for your SkyHawk 3X10. Select a place clear of power lines or other obstructions. The SkyHawk 3X10 should be mounted at least 30 ft (9.1 m) above the ground for proper operation.
- Page 5 Fastener Assembly Installing and tightening fasteners is a simple procedure but one which is often done incorrectly. Tightening fasteners to the proper torque keeps bolts tight, increases joint strength, creates friction between parts to resist shear and improves the fatigue resistance of the connection. Unfortunately fasteners are usually over tightened causing them to fracture or at least causing thread damage making them impossible to disassemble.
- Page 6 10 Meter Director 2 00588SZC Description Size Part Number □ Element Section A 10M 3/4(19) x 28(711) 00589RZC □ Element Section B 10M 5/8(16) x 35-7/8(911) 00531BAC □ Element Section C 10M Director 2 1/2(13) x 66-9/16(1,640) 00536BAC 15 Meter Reflector 00580SZC Description Size...
- Page 7 20 Meter Director 00579FAC Description Size Part Number □ Element Section A 20M 1(25) x 47-78(1,216) 00577RZC □ Element Section B 20M 7/8(22) X 47-7/8(1,216) 00524RZC □ Element Section C 20M 3/4(19) X 71-7/8(1,826) 00526BAC □ Element Section D 20M 5/8(16) X 65-7/8(1,673) 00529BAC □...
- Page 8 Boom Compensator Description 00839SZC □ #10 SPLIT RING LW 18-8 □ #10-24 HEX NUT 18-8 (3/8 X 1/8) consists of the □ #10-24 X 3/4 PHIL RND HD MS 18-8 parts listed □ BOOM COMPENSATOR BRACKET □ BOOM COMPENSATOR Boom Hardware Package Description □...
- Page 9 Assembly - Driven Elements □ □ □ Locate the bag for the element you wish to assemble. □ □ □ Locate one of the B element sections and slide the side with one hole into one of the A element sections so all holes line up. NOTE: If the holes don’t line up exactly, rotate one or both of the elements 180°.
- Page 10 Assembly - Elements □ □ □ □ □ □ □ Locate the bag for the element you wish to assemble. □ □ □ □ □ □ □ Locate one of the B element sections and insert the side with the three holes furthermost from the end into one side of the A element section.
- Page 11 Assembly - Boom Each boom has been assembled and each section numbered for easy reassembly. In the event that the numbers have worn off, each section may be identified using the dimensions given in the pictorial found on the pullout sheet. □...
- Page 12 Assembly - Driven Elements to Boom In the following steps, each driven element will be assembled onto the boom. You will find that assembly will be much easier if the boom is supported by a saw horse or similar support at either end.
- Page 13 □ Remove the #8 hex nuts and lock washers from each driven element. □ Place one of the feed straps onto the driven elements as shown and secure with #8 lock washers and hex nuts. Do not tighten hex nuts at this time. □...
- Page 14 □ Insert a 1/4 x 2(51) U-bolt into the left hand pair of holes on the second boom saddle. Secure it with 1/4 lock washers and hex nuts □ Insert a second 1/4 x 2(51) U-bolt into the right hand pair of holes on the same boom saddle. Secure it with 1/4 lock washers and hex nuts.
- Page 15 Assembly - Balun □ Install the Balun mounting plate with clamps and coax clamp to the rear of the 20 meter driven element as shown. Do not tighten the Balun Clamps until step 5. □ Verify the COMTEK Balun leads are facing the 20 meter driven element. □...
- Page 16 Final Assembly - Mast Plate The mast plate is supplied with hardware to mount to a 2(51) mast. Additional holes have been provided to accommodate a 2-3/8(60) mast with customer provided hardware. □ Position a 2(51) U-bolt saddle over the second pair of holes from the top as shown.
- Page 17 Element Position...
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Page 18: Element Assembly
Element Assembly All dimensions are +/- 1/4(6) Element section dimensions are reference only Dimensions are in inches (millimeters) unless otherwise noted... - Page 19 Boom and Element to Boom Assembly All dimensions are +/- 1/4(6) Element section dimensions are reference only Dimensions are in inches (millimeters) unless otherwise noted.
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Page 20: Technical Support
All products manufactured by DX Engineering are warranted to be free from defects in material and workmanship for a period of one (1) year from date of shipment. DX Engineering’s sole obligation under these warranties shall be to issue credit, repair or replace any item or part thereof which is proved to be other than as warranted;...
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