Spaceport Rocket Info

Question 1

What is the length of the rocket?

Answer 1

3055mm

Question 2

What is the length of the rocket in inches?

Answer 2

118 “

Question 3

What is the take-off mass of the rocket?

Answer 3

33.125 kg

Question 4

What is the take-off mass of the rocket (pounds)?

Answer 4

73 lb

Question 5

What is the vehicle mass of the rocket (pounds)?

Answer 5

36 lb

Question 6

What is the motor mass of the rocket (pounds)?

Answer 6

37 lb

Question 7

What is the off-rod velocity of the rocket?

Answer 7

154 ft/s

Question 8

What is the liftoff T-to-W ratio of the rocket?

Answer 8

17.03:1

Question 9

What is the minimum static margin of the rocket?

Answer 9

3.36 CAL

Question 10

What is the maximum acceleration of the rocket?

Answer 10

25.6G

Question 11

What is the maximum velocity of the rocket?

Answer 11

2121 ft/s

Question 12

What is the maximum velocity of the rocket in MACH?

Answer 12

MACH 1.895

Question 13

What is the un-braked apogee of the rocket?

Answer 13

32,667 ft

Question 14

What is the time-to-apogee of the rocket?

Answer 14

41.1 s

Question 15

What is the fin height of the rocket (inches)?

Answer 15

5.512 “

Question 16

What is the tip chord of the rocket fin (inches)?

Answer 16

2.567 “

Question 17

What is the root chord of the rocket fin (inches)?

Answer 17

11.811 “

Question 18

What is the thickness of the rocket fin (inches)?

Answer 18

0.171” - 0.373“

Question 19

What is the thickness of the rocket fin (mm)?

Answer 19

4.35 mm – 9.47 mm

Question 20

What is the critical flutter velocity of the rocket fin?

Answer 20

3214 ft/s

Question 21

What is the FOS of the rocket fin?

Answer 21

1.52

Question 22

What is the first altimeter used in the rocket?

Answer 22

Altus EasyMega

Question 23

What is the second altimeter used in the rocket?

Answer 23

Blue Raven

Question 24

What is the first GPS used in the rocket?

Answer 24

Featherweight

Question 25

What is the second GPS used in the rocket?

Answer 25

Featherweight

Question 26

What is the drogue descent rate of the rocket?

Answer 26

138 ft/s

Question 27

What is the main altitude of the rocket?

Answer 27

1500 ft

Question 28

What is the main descent rate of the rocket?

Answer 28

34 ft/s

Question 29

What is the primary drogue charge of the rocket?

Answer 29

5.8 g

Question 30

What is the backup drogue charge of the rocket?

Answer 30

7.2 g

Question 31

What is the primary main charge of the rocket?

Answer 31

0.22 g

Question 32

What is the backup main charge of the rocket?

Answer 32

0.25 g

Question 33

What material is Shock Cord 1 made out of?

Answer 33

Kevlar

Question 34

How long is Shock Cord 1?

Answer 34

8.4m (27 feet, 7 inches)

Question 35

What is the load capacity of Shock Cord 1 (pounds)?

Answer 35

8600lb

Question 36

How is Shock Cord 1 connected to the rocket?

Answer 36

Stainless steel welded shut eyebolt on the bulkhead at the top of the airframe; stainless steel eyebolt on the bulkhead in nosecone

Question 37

What is the function of Shock Cord 1?

Answer 37

Takes load when the nosecone ejects at apogee. The drogue parachute is tied via a swivel link halfway down the length of this cord.

Question 38

What material is Shock Cord 2 made out of?

Answer 38

Kevlar

Question 39

How long is Shock Cord 2?

Answer 39

4.2m (13 feet, 9 inches)

Question 40

What is the load capacity of Shock Cord 2?

Answer 40

8600lb

Question 41

How is Shock Cord 2 attached to the rocket?

Answer 41

Stainless steel welded shut eyebolt on the bulkhead at top of the airframe; Swivel link on the bottom of the main parachute

Question 42

What is the function of Shock Cord 2?

Answer 42

Takes the load on the inflation of the main parachute.

Question 43

What material is the nosecone made of?

Answer 43

Fibreglass 8 layers 290 GSM

Question 44

What material is the coupler made of?

Answer 44

8 layers 290 GSM

Question 45

How is the coupler attached to the nosecone?

Answer 45

Epoxied with HPR 25, 40 mm inside the nosecone. 4 layers of 290 GSM over the join 50 mm either side.

Question 46

How is the nosecone avionics bay made?

Answer 46

Internal fibreglass tube, with a 5 mm fibreglass bulkhead epoxied to one end. CF roving is then wrapped around the tube, and woven around M5 countersunk screws. Then epoxied into nose cone with 6 m3 screws added between tube and nose cone for extra FOS

Question 47

What material is the payload bay made of?

Answer 47

Fiberglass. Commercially wound 1.8 mm thick.

Question 48

How is the payload bulkhead made?

Answer 48

4mm CF bulkhead epoxied in. 20 mm stopper rings either side. 6x M3 screws for load transfer. Big adr270 resin + microfiber filler fillet.

Question 49

What is the booster tube made out of?

Answer 49

1.8 mm fibre wound CF. Wet layed.

Question 50

What material is the boat tail made of?

Answer 50

8 layers 290 GSM fibreglass

Question 51

How is the boat tail attached to the booster tube?

Answer 51

Epoxied with HPR 25, 40 mm inside the booster tube. 4 layers of 290 GSM over the join 50 mm either side. (Same as nose cone)

Question 52

What material are the fins made of?

Answer 52

3 mm thick CF prepreg twill SE75.

Question 53

What is the layup of the fins?

Answer 53

Balanced and symmetric

Question 54

What is the attachment method of the fins?

Answer 54

Through-wall attachment roots tac with HPR 25

Question 55

What are the internal fin fillets made of?

Answer 55

ADR270 6 g each

Question 56

What are the external fin fillets made of?

Answer 56

HPR 25 12mm radius. Shaped on ends

Question 57

How was the fin tip-to-tip layup done?

Answer 57

12 layers of 200 GSM prepreg unidirectional. Tailored laminate for strength in primary bending directions. Symmetric about fin midline but not balanced.

Question 58

How is the fin slots machined?

Answer 58

On mill to ensure it is straight.

Question 59

What is the thickness and material of the motor tube centering rings?

Answer 59

2mm thick carbon fibre. Epoxied with HPR 25.