CUBEX QUADS- Welcome Cubex Quads

Parts and Accessories

Parts and Accessories

HF Driven Element Feed Terminal – $10

Includes stainless-steel hardware.

Cable and wire not included (shown for clarity).          

This terminal is not a direct replacement for older Cubex cable sets with long 2″ leads.

Call if using old style (pre 2021) match cables.

CQS 2.0 – 2” Spreader Hub – $120


One Piece 356-T6 Aluminum Casting Heat Treated For Maximum Strength For 2″ Boom.

Includes #28 SS worm gear clamps (8 pcs)

CQS 3.0 – 3″ Spreader Hub – $110

One Piece 356-T6 Aluminum Casting Heat Treated For Maximum Strength For 3″ Boom.

Includes #28 SS worm gear clamps (8 pcs)

Hubs are precision machined for a smooth bore ID and “slip-fit” on to mill run aluminum tubing. 

Must be a full 2.0″ or 3.0″ OD.

2” OD Aluminum Boom/Mast Coupler – $75

For 2″ O.D. Boom to 2″ O.D. Mast. (*)

1/4″ 6061 aluminum plate

Includes 5/16″ x 2″ U-bolts (6 pcs)

*Available for 1.5″, 1.75″ and 2.0″ SQ tube boom

Heavy Duty Boom/Mast Coupler – $135

For 3″ O.D. Boom to 2″ O.D. Mast.

1/4″ 6061 aluminum plate

Includes 3/8″ x 2″ and 3″ SS U-bolts (4 ea)

Same as included with MkIII/IV – Skymaster III/IV

Wire Holders – $5

Eliminate hole drilling in spreaders.  Ideal for Skymaster quads and other DIY projects. 

SS clamps with UV resistant poly tube and retainer

Available in sizes for 1/2″ – 1-1/2″ tube spreaders.

HF Quad Components Price
13 ft. Deluxe Heavy Duty Fiberglass Spreader Arm. Reinforced 1-1/4" base section.
The Ultimate in durability, as used in the proven MK-series and Skymaster quads.
Pre-drilled for included stainless hardware. Drilled for wires as requested.
Ships via UPS
$75
26 foot, 40-meter Fiberglass Spreader Arm. Reinforced 1-3/4″ base section.
Pre-drilled for included stainless hardware. Drilled for wires as requested.
Ships via UPS
$180
30' x 3""OD Boom - 6061-T6 Aluminum (.065"" wall typ.) - 2 x 12' lengths + 1 x 6' length + 2 x 36"" split couplings
*Used with Mantis II-40ML
$550
24' x 3"OD Boom - 6061-T6 Aluminum (.065" wall typ.) - 2 x 12' lengths + 1 x 36" split coupling
*Used with Mantis II-40, MkIV/SkymasterIV 4L3B and 4L5B
$460
18' x 3"OD Boom - 6061-T6 Aluminum (.065" wall typ.) - 2 x 9' lengths + 1 x 18" split coupling
*Used with MkIII/SkymasterIII 3L3B and 3L5B
$375
ALL 3"OD BOOMS
- Pre-drilled for couplings and 5/16" truss eye-bolts
- 5/32" drill bit and #12 hex head screws for couplings included
- Packed in 4"OD heavy wall PVC tube with caps for Ground Freight
Truss Kit
- Turnbuckle Assembly with Cable Thimbles (for 2"OD Mast)
- 5/16" Dacron Rope
- Cable Clamps (8 pcs)
- 5/16" x 5" Eye-Bolts with Cable Thimbles (2 pcs)
$75
Phillystran Upgrade (.017") - Replaces Dacron Rope in Truss Kit
- 4 additional Cable Clamps
- Vinyl Caps
$45
94" x 2"OD Boom - 6061-T6 Aluminum (.125" wall typ.) - Ships via UPS
*Used with MkII/SkymasterII 2L3B and 2L5B
$85
3/8" x 3" SS U-bolt with Hardware$15
3/8" x 2" SS U-bolt with Hardware$10
Zinc Plated U-bolts available for 3"OD, 2"OD and other tubing sizes
Not Recommended for Mk-Series/Skymaster III/IV or Mantis Quads
CALL or EMAIL
#36 SS Worm Gear Clamps (for Mantis Spreaders)$5
#28 SS Worm Gear Clamps (for Mk-Series/Skymaster Spreaders)$3

If you don’t find what you are looking for listed on this page, give us a call or e-mail and we’ll be glad to help you with your project.

2m / 70cm Components Price
2m Replacement Spreaders (pair) $15
2m Spreader Keepers for .250" rod (pk 16)$5
2m Replacement Wire Element $10
2m Driven Element Terminal Block $14
2m Wire Nocks for .250" rod (pkg 16)$8
70cm Replacement Spreaders (pair)$12
70cm Spreader Keepers for .125" rod (pk 16)$5
70cm Replacement Wire Element $8
70cm Driven Element Terminal Block $12
70cm Wire Nocks for .125" rod (pkg 16)$6
2m – 4 element boom (1″ x 48″) $55
70cm – 6 element boom (1″ x 42″) rear mount$48
VHF- Universal Mount Bracket with hardware $45
Other VHF/UHF BoomsCALL or EMAIL
HF Wire Elements
Elements1234
10/15/20M$85$155$205$245
10/12/15/17/20M $125$235$310 $380
10 Meters$35$60$75$90
12 Meters $38$65$80$95
15 Meters$40$70$90$105
17 Meters $45$75$95$110
20 Meters$48$85$110$130
30 Meters $60$105--
40 Meters$80$140--

Wire Elements – #14, 7-strand hard drawn copper

 

HF Cables
BAND 1/4 WAVE 3/4 WAVE
10 M (75-ohm) $55$90
12 M (75-ohm) $60$100
15 M (75-ohm) $65$110
17 M (50-ohm) $70$125
20 M (50-ohm) $80$145
30 M (75-ohm) -$185
40 M (75-ohm) -$245

Why two lengths?  3/4-wave are typically used with 2 and 4-element HF quads, while 1/4-wave are long enough for a 3L, where the driven element is closer to the mast.  Read more at Feeding a Quad

Cables are constructed using high quality coaxial cable and terminated with silver-plated/PTFE connectors.

Fully terminated, weatherproof and ready to install.