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Comparison of ~3" "Stubby" Rockets
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Photo RocketVision Grymm Estes Big Daddy™ LOC Onyx™
Dimension 15" x 2.88" 19" x 3" 25.2" x 3.1"
"Stubby" Ratio (10:1) 5.2:1 6.3:1 8.1:1
Weight (my kit) 14 ounces 7 ounces 16 ounces
Body Tube Phenolic Glassine Paper Glassine Paper
Body Tube Pre-Slotted Pre-Slotted Pre-Marked
Fins 4 4 3
Fins 1/16" G10 1/8" Balsa 1/8" Plywood
Centering Rings 3/64" G10 1/16" Card Stock 1/8" Plywood
Mount Tube 24mm 24mm 29mm
Motor Retention Yes Yes No
Nose Cone ABS Plastic Plastic
Launch Lugs (1) 1/4" lugs (1) 3/16" lug (1) 1/4" lugs
Shock Tether none none doubled 9" x 1/16" Nylon
Shock Cord 1/8" x 55" Kevlar 1/4" x 36" Elastic 1/4" x 65" Elastic
Mount Paper/Knot/Epoxy Sidewall Knot through upper CR Tape/Knot/Epoxy Sidewall
Parachute 24" Nylon (Pink) 24" Plastic (Estes) 16" Nylon (Pink)
Fin Alignment Guide No No No
Decals Yes Yes No
Rec Motors E15 - G55 D12 D12 - G40
Instructions 4 pages 8 pages 1 page + shockcord page
Illustrated Yes Yes Yes
Photo-illustrated No No No
Price $35.00 $18.15 $31.50
Construction Rating 4 ½ 4 4
Flying Rating 5 4 ½ 3 ½
Overall Rating 5 4 ½ 3 ½
Review Pro's Quality and sturdy materials, heat shield and motor retention Instructions, throught-the-wall fins with pre-cut slots, decals Quality of parts and ease of build, fin and launch lug lines pre-drawn
Reviews Con's Decals were too thin Recovery materials and limited motor recommendations Parachute is too small for kit, fins are not through-the-wall, no motor retention, no decals
Comparison Purpose Pro's Stubbiest rocket of the group. Most solid and complete rocket Lowest price and easiest to get. Best decals. Largest motor selection. Learn HPR techniques.
Comparison Purpose Con's Now Out of Production Only one motor recommendation Heaviest, could get over a pound.

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