Responsive Access Small Cargo Affordable Launch (RASCAL ...
Responsive Access Small Cargo Affordable Launch (RASCAL ...
Responsive Access Small Cargo Affordable Launch (RASCAL ...
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Cost Estimation:<br />
The cost estimation for this project was conducted using the NASA-Air Force<br />
Cost Mode (NAFCOM), with some inputs from the Transcost model [13]. NAFCOM<br />
with some Transcost cost estimating relationships was used to calculate the DDT&E as<br />
well as the TFU for the <strong>RASCAL</strong> vehicle.<br />
To compute the first stage vehicle costs the weights of each of the subsystems was<br />
entered into NAFCOM. Using weight based CERS of the form of equation 5.<br />
COST *<br />
B<br />
= CF * A Weight<br />
(5)<br />
Each of the subsystems of the design has its own coefficients A and B. Therefore the<br />
user of NAFCOM can manipulate the cost of the components by adjusting the CF or<br />
complexity factor. For the <strong>RASCAL</strong> baseline complexity factor of close to one were<br />
used for all subsystems except the avionics which typically uses a CF of approximately<br />
0.3. The resulting costs for the first stage are included as Figure 23.<br />
In Millions of $<br />
Wing Group<br />
Tail Group<br />
Body Group<br />
TPS Group<br />
Landing Gear<br />
Electrical Conversion &<br />
Dist.<br />
Hydraulic Systems<br />
Surface Control Actuation<br />
Avionics<br />
Environmental Control<br />
Personal Equipment<br />
Engines<br />
Total<br />
DDTE<br />
$ 149.82<br />
$ 53.55<br />
$ 198.70<br />
$ 96.18<br />
$ 20.40<br />
$ 44.34<br />
$ 31.98<br />
$ 121.78<br />
$ 126.67<br />
$ 20.58<br />
$ 33.21<br />
$ 583.00<br />
$ 2,931.00<br />
F-22 TFU ~ $345<br />
TFU<br />
$ 21.47<br />
$ 7.28<br />
$ 57.14<br />
$ 20.02<br />
$ 0.66<br />
$ 14.69<br />
$ 5.08<br />
$ 81.58<br />
$ 7.55<br />
$ 2.77<br />
$ 1.30<br />
$ 6.00<br />
$ 446.00<br />
DDTE<br />
Hydraulic Systems<br />
4%<br />
Electrical Conversion<br />
& Dist.<br />
6%<br />
TFU<br />
Avionics<br />
3%<br />
Surface Control<br />
Actuation<br />
38%<br />
Landing Gear<br />
2%<br />
Environmental<br />
Control<br />
1%<br />
Surface Control<br />
Actuation<br />
17%<br />
TPS Group<br />
13%<br />
Hydraulic Systems<br />
2%<br />
Electrical Conversion<br />
& Dist.<br />
7%<br />
Figure 23: Cost Breakdown for <strong>RASCAL</strong> 1st Stage.<br />
Wing Group<br />
21%<br />
Body Group<br />
29%<br />
Personal Equipment<br />
1% Wing Group<br />
10%<br />
Tail Group<br />
3%<br />
TPS Group<br />
9%<br />
Landing Gear<br />
0%<br />
31<br />
Tail Group<br />
7%<br />
Body Group<br />
26%