Radio-Shack "4-Bay" "Spike" variation of Hoverman Type 2 with 4 Reflector Rods analyzed using 4nec2, as depicted in R-S 1971 Catalog: http://www.radioshackcatalogs.com/html/1971-c/h292.html Dimensions per alwjoplinmo and EscapeVelocity, 4nec2 by alwjoplinmo, with AWG10 Elements and 3/8" O.D. RR's.
Original Hoverman Patent US3148371, dated 8Sep1964, for the Type 2 (adds 4 SPLIT Reflector Rod Pairs) does NOT have the short "Spikes" at the ends of the outer whiskers and at the center Feedpoints: http://www.freepatentsonline.com/3148371.pdf
All 45-deg Zig-Zag Lengths L=7.0-in, except Top & Bottom are 6.4-in plus 1.0-in Vertical Spur at Ends. Vertical Spurs at Top & Bottom are unique to R-S versions, Length=5.1-in.
PS: For my version (see "HOVERMOON" photo below), I measure L=7.0-in with 6.5-in plus 1.25-in Vertical Spurs at Ends...and 5.25-in Vertical Spurs....a nearly negligible difference. Note that the Spurs on the Ends actually turns back AROUND.
EDIT (5Mar2017): Added Hi-VHF Performance Charts.
Date(s): 4 Apr 2013. Album by holl_ands. 1 - 21 of 21 Total. 6400 Visits.
enlarge 73KB, 600x1024 1 R-S Catalog Hoverman Type 2 - 4 Refl Rods 3D View
enlarge 303KB, 996x1024 2 R-S Catalog Hoverman Type 2 - 4 Refl Rods Front View [1 large box = 2.5 inches]
enlarge 75KB, 252x1024 3 R-S Catalog Hoverman Type 2 - 4 Refl Rods Side View [1 large box = 2.5 inches]
enlarge 194KB, 1152x678 4 R-S Catalog Hoverman Type 2 - 4 Refl Rods UHF Raw Gain Drops above 698 MHz. F/B & F/R Ratios are Poor for most of Band.