1. 2009

2. UNIVERSIDAD SIMÓN BOLÍVAR HUMAN POWERED SUBMARINE 2009
TECHNICAL PRESENTATION

3. HUMAN POWERED SUBMARINE TEAM 2009
Daniel Bigott (C)
Maria Martinez
Marcos Paz
Zoriant Rodriguez
Javier Marquez
Cristobal Acuña
Rene Knopfel
Freddy Guerra
Alessandro Dos Santos
Rafael Nucete
Danny Gomez
Maria Molina
FALTA FOTO EQUIPO

4. TEAM GOALS DESIGN PHILOSOPHY
Create the HPS group in the University and recruit and organize the team
Be the first Venezuelan Team to compete in the ISR
Complete successfully one run
Set records and establish parameters for further competitions
DESIGN PHILOSOPHY
The picua is designed to complete successfully one run at the ISR. Due is the first time
that the university participate in this event, we build a conservative submarine in order
to gain team experience and setting parameters and posible improvements for the new
generation

5. HULL DESIGN Concieved in three parts (nose, body and tail)
Originally with 11,48 feet long
Designed for Caribbean Waters (density and viscosity)
Speed design 6 knots
Several computer analysis were carried out.
2-D XFOIL®
3-D CFX®
Final Hull Parameters:
Hull Parts mm in
Length of nose
857
33,74
Length of body
1286
50,63
Length of tail
Front diameter
800
31,5
Rear diameter
End angle nose 8°
Start angle tail
Drag coefficient
0,011

6. HULL FABRICATION BULKHEADS WITH PUTTY PRE - MOULD MOULD
HULL WITH GATES AND HATCH

7. FINS DESIGN
Developed under analysis of NACA profiles (4-digit and 4-digit modified)
Software employed Design Foil R6 ®
Analysis were performed with density and dynamic viscosity aprrox. 16°
Generates turbulent flow at 67,6% from the length of the chord
The profile selected has the lowest lift coefficient and moment equal to zero
Also the lowest drag coefficient and force
Final Profile
Directional Fins
NACA
Stabilizer Fins
Reduction chord length
DIRECTIONAL FIN
STABILIZER FIN

8. FINS FABRICATION FIN MACHINED ON ONE SIDE FIN WITH MOULD (COUPLING)
MOULD MACHINED
FIN MACHINED ON BOTH FACES

9. PROPELLER DESIGN
A variable pitch system was designed to optimize the propulsion
Drag force (129 N) and speed flow (6 knots)
Propeller diameter was set to 31.5 in
Hub diameter 4.12 in
Two blades propeller
Transmission ratio 1:1.6. Pedals speed 60 rpm
From hub to shroud variations from the E193 airfoil were chosen
Final Propeller material aluminum

10. PROPELLER FABRICATION
Manufacturing process same as for the fin
Complications working with stainless steel
Final blades are from aluminum.

11. PROPULSION AND ERGONOMICS
First stage
Second stage
Principal shaft
Variable pitch shaft
Crosspieces
Bearings
Aluminum cone
Conic gears
Flat gears

12. PROPULSION AND ERGONOMICS
VARIABLE PITCH CONE AND SHAFT
VARIABLE PITCH SYSTEM
ALUMINUM CONE

13. PROPULSION AND ERGONOMICS
PILOT POSITION IN THE HULL
CHEST SUPPORT
TEST BENCH

14. CONTROL SYSTEM AND STABILITY
Choose a programmable control unit manage the actuation of the immersion and directional fins
The control unit choosen is PIC16F877
SCHEMATIC DIAGRAM OF MICROCONTROLLER
PIC16F877 ARQUITECTURE

15. CONTROL SYSTEM AND STABILITY
The programmable control unit controls four motors that provide movement to the flaps
Operation of the microcontroller is based on a pseudo-language
For the joystick, the microcontroller will be in alert mode to any input signal
PIC16F877
SERIAL PORT
The mainboard has a serial port to facilitate the programming
MAINBOARD 15

16. ELECTRONIC AND DIRECTIONAL SYSTEM
The fins flaps are moved with a DC motor . Bunker ® series commonly employed for the
windows elevation of the medium cars
The activation depends on the signal from the joystick
Sensors were incorporated inside the motors to capture its movement or rotation
H bridge circuit was placed to avoid loss power
H BRIDGE CIRCUIT
INFRARED SENSOR
GEAR MARKED
SENSOR PLACED 16

17. CONTROL HOUSING AND JOYSTICK
PSONE JOYSTICK
FULL DIRECTIONAL SYSTEM
CONTROL HOUSING
The joystick transfer the rotation of the potentiometers into electronic information
Each flap is moved under the action of 4 independent motor 17

18. SAFETY AND LIFE SUPPORT
Emergency system designed is the dead-man mechanism
Made of bicycle brake , reel, caliper and a buoy
The stroboscopic light is the one used by the divers
RELEASE MECHANISM OF SECURITY SYSTEM
STROBOSCOPIC LIGHT 18

19. TESTING AND TRAINIG Trainig based basically in aerobics exercises
Tested in a swimming pool 19

20. BUDGET
Sponsorship via L.O.C.T.I. (Ley Organica de Ciencia y Tecnologia) and contribution
ITEM
DESCRIPTION
NET. PRICE
PRICE US$ 1
Test bench
272,00
126,512 2
Trailer for submarine
2.874,00
1.336,744 3
Divers and equipment
44.742,00
20.810,233 4
Tools
3.750,00
1.744,186 5
Hull
8.650,00
4.023,256 6
Transmission and propulsion system
4.070,00
1.893,023 7
Chest support
400,00
186,047 8
Transporting the submarine
9.000,00
4.186,047 9
Passages
38.700,00
18.000,000 10
Control systems and stability
1.250,00
581,395
TOTAL
,00
52.887,442 20

21. VENEZUELA HPS TEAM 2009
This is the first time that students from Venezuela designed and developed a submarine
for the ISR competition. Sponsorship, Shipment out of the country, Customs Service
Exchange control and Visa were hard task that we had to figure out to be here.
For the next submarine we will have this previous experience to improve our design. 21