1 2/10/2005Thrust Chamber Assembly Concept Design Review Manufacturing Josh Revenaugh.

2/10/2005 Thrust Chamber Assembly Concept Design Review

1

Manufacturing

Josh Revenaugh


2

Material Selection

• Copper Injector (c101)

• High resistance to particle impact

• High Lox pressure rating (8000 psi)


3

Engine Assembly


4

Ablative Throat


5

Parts – Lox Dome


6

Manufacturing – Lox Dome


7



8



9

Parts – Deflector


10

Manufacturing – Deflector


11



12



13

Parts – Lox Plate


14

Manufacturing – Lox Plate


15



16



17

Parts – Injector


18

Manufacturing – Injector


19



20



21

Parts – Chamber


22

Manufacturing – Chamber


23

Parts – Nozzle


24

Manufacturing - Nozzle


25

Manufacturing – Nozzle


26

Engine Masses

Part weight (lb)

Lox Dome 7.40

Deflector 0.17

Lox Plate 3.00

Injector 7.00

Chamber 22.80

Nozzle 22.20

Total 62.57


27

Brazing

• Silver is used as the braze alloy (BAG-8)

• Braze temperature 1500 deg F

• A few hours in the oven


28

TimelinePart Process

days → 1 2 3 4 5 6 7 8 9

10

11

12

13

14

15

16

17

Lox Dome

shipping

manufacturing

Deflector

shipping

manufacturing

brazing

Lox Plate

shipping

manufacturing

brazing

Injector

shipping

manufacturing

brazing

Chamber

shipping

manufacturing

Nozzle

shipping

manufacturing


29

Price List – Materials

Description Material price

Lox Dome 2" x7 1/2" OD c101 370.30

Deflector 2" x 2" OD c101 51.48

Lox Plate 1/4" x 7 1/2" OD c101 90.34

Injector 3/4" x 7 1/2" OD c101 169.60

Flange 1/2" x 7 1/2" OD carbon steel 38.69

Chamber 40-5 black pipe (21ft) carbon steel 266.85

Nozzle Extension 4 1/4" x 8 1/4" OD carbon steel 109.42

Nozzle Throat 5" x 6" OD carbon steel 38.44

Total 1135.12


30

Price List – Manufacturing

Description quantity price Total Cost

Drill Bit #68 (.0310") 20 1.84 36.80

Drill Bit #48 (.0760") 10 3.83 38.30

Drill Bit 5/64" (.0781") 10 2.85 28.50

Drill Bit #47 (.0785") 10 2.72 27.20

Total 130.80


31

Price List – Parts

Description quantity price Total Cost

Bolts 1/4-20, 2-1/2" Grade 8 (25) 1 9.28 9.28

Nuts 1/4-20, ASTM Standards (25) 1 9.87 9.87

Washers 1/4" SAE Standards (50) 1 5.01 5.01

Gasket Graphite 1/16" thick 24"x24" 1 40.53 40.53

O-ring 339 Teflon, 3-1/4 ID 1 21.89 21.89

Total 86.58


32

Costs

Description price

Materials 1135.12

Manufacturing 130.80

Parts 86.58

Brazing 350.00

Total 1702.50

1 2/10/2005Thrust Chamber Assembly Concept Design Review Manufacturing Josh Revenaugh.

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Transcript of 1 2/10/2005Thrust Chamber Assembly Concept Design Review Manufacturing Josh Revenaugh.