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CIRRUS DART
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| Specifications |
| Airframe Diameter |
38mm (1.5 inches) |
| Total Length |
1118mm (44 inches / 3 feet 8 inches) |
Dry Weight (i.e. without motor) |
0.504 kg (18 ounces) |
| Motor Mount |
1 x 38mm (1.5 inches) |
| Number of Fins |
4 |
| Maximum Altitude |
13,048 feet (3954 metres) (using an Aerotech J-570W motor) |
| Number of Stages |
Single Stage |
| Deployment System |
Single stage, Piston |
| Nosecone |
Tangential Ogive |
| Parachute(s) |
1 x 36 inch |
| Airframe Material |
Phenolic |
| Fin Material |
G-10 Fibreglass |
| Fin Thickness |
2.4mm (0.0625 inches) |
| Launch Lugs |
1/4"x4" |
Minimum Recommended Motors |
F-37W (Altitude: 654 feet) |
| Motors |
| Single Use Motors |
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| Reloadable Motors |
G-54W, H-73J, H-123W, H-242T, I-161W, I-357T, I-154J, I-211W, I-300T, I-195J, I-284W, I-435T, J-350W, J-570W |
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Overview
Just 1.6 inches in diameter and 44 inches tall, Cirrus Dart is loaded with features. Features like a dado-slotted kraft phenolic airframe, an eight inch long payload section, rigid G-10 fibreglass fins, a pre-weighted solid nose cone, and an ultra light nylon parachute. Also included is PML's Piston Ejection System, and pre-cut six ounce fibreglass fin joint reinforcing cloth.
You've seen minimum diameter, high altitude model rockets, and this isn't one! Cirrus Dart is not a Skill Level One kit. If you want to keep a high velocity, minimum diameter rocket together in flight, you have to meet critical construction criteria. But the kit contains all the parts you need, and PML's unusually detailed instructions.
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Why are materials and your construction techniques so important?
Because Cirrus Dart can attain higher altitudes on H-class and I-class motors than a 4 inch diameter rocket on K power! In fact, you can soar to over a mile high with an H-242 motor!.
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