 |
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. |