2 layers85.1 × 30.5 mm
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gongminmin/ImpulseDrive
A preliminary design of a plasma engine for spacecraft propulsion
40 parts4MIT
2 layers116.8 × 61 mm
FullCapacitorBankAdapter
gongminmin/ImpulseDrive4A preliminary design of a plasma engine for spacecraft propulsion
- Size
- 116.8 × 61 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 45
- Nets
- 39
- Pads
- 115
- Tracks, vias
- 159, 0
- Routed
- Yes
- KiCad
- KiCad 6 (file 20211014)
- Created
- 30 May 2020
- Updated
- 24 Sep 2022
Overview
FullCapacitorBankAdapter is an open-source printed circuit board by gongminmin, from the gongminmin/ImpulseDrive repository on GitHub, published under the MIT licence. It is a 2-layer board of 116.8 × 61 mm with 45 parts on 39 nets, routed with 159 tracks and 0 vias.
It is built around the LM393, L7812 and 2W10. Its parts include 23 resistors, 6 capacitors, 6 diodes, 4 ICs and 4 connectors.
Main components
3
LM393
SOP-8-16V~16V 0℃~+70℃ 2 2.5mA 250nA 2V~36V 36V 5mV 5nA Fail-safe function Open-drain SOP-8 Comparators ROHSMSKSEMIComparators
L7812
TO-220ST0℃~+125℃@(Tj) 1 1.2A 12V 2V@(1A) 30V 71dB@(120Hz) 76uV Fixed Positive Short Circuit Protection TO-220ST Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHSOSENVoltage Regulators - Linear, Low Drop Out (LDO) Regulators
2W10
WOM-55℃~+125℃@(Tj) 10uA@1kV 1V@2A 1kV 2A 50A Single-Phase Rectifier WOM Bridge Rectifiers ROHSMDDBridge Rectifiers
README
README.mdImpulse Drive
In Star Trek universe, impulse drive is a propulsion system of spacecrafts for interplanetary travel. This project is trying to design a real-world impulse drive. The basic characteristics of this engine are
- Electric propulsion
- Large thrust
- Long specific impulse
- No or little moving parts
- Good scalability
- Low cost
We'd like to make it easy to implement, so people can build it as a hobby project.
NOTE: Please turn on git LFS when cloning this project.
Method
There are many different engine designs for spacecraft propulsion, check wikipedia for a list. The only one design among them that fits these requirements is magnetoplasmadynamic thruster, a.k.a, MPDT or MPD thruster. More details in MPD.
Our design is based on MPDT, with several significant improvements.
Design
The principle of our design, and a detailed introduction of modules are in Design
Disclaimer
MPD thruster is operated by LETHALLY high voltage and current. If you don't have enough knowledge and experiences on high voltage electric, please keep extreme cautions on insulation.
Directories
- Circuit folder is the electric design of the system. The files can be open by KiCad
- 3DModel folder is the 3D model design of some components. It's in Blender format.
- Doc folder contains some documents
License
ImpulseDrive is distributed under the terms of MIT License. See LICENSE for details.
Parts
45| Qty | Value | Footprint | References |
|---|---|---|---|
| 4 | 1M 1W | Resistor_THT:R_Axial_DIN0414_L11.9mm_D4.5mm_P15.24mm_Horizontal | R1, R2, R11, R12 |
| 4 | 2.2K | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R19, R20, R21, R22 |
| 4 | 220K | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R4, R5, R8, R9 |
| 4 | 4.7K | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R15, R16, R17, R18 |
| 4 | LED | LED_THT:LED_D3.0mm_FlatTop | D3, D4, D5, D6 |
| 3 | 1nF/1kV | Capacitor_THT:C_Disc_D4.7mm_W2.5mm_P5.00mm | C1, C2, C3 |
| 3 | 20K | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R6, R7, R14 |
| 2 | 1K | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R13, R23 |
| 2 | 2W10 | Diode_THT:Diode_Bridge_Round_D9.0mm | D1, D2 |
| 2 | 300K | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R3, R10 |
| 2 | LM393 | Package_DIP:DIP-8_W7.62mm | U2, U3 |
| 1 | 0.1uF | Capacitor_THT:C_Disc_D3.0mm_W1.6mm_P2.50mm | C6 |
| 1 | 0.1uF | Capacitor_THT:CP_Radial_D8.0mm_P3.80mm | C5 |
| 1 | 2200uF | Capacitor_THT:CP_Radial_D13.0mm_P5.00mm | C4 |
| 1 | 6:6:33+33 | Power:Transformer_Generic_EE42_12Pin | T1 |
| 1 | AC Power In | TerminalBlock:TerminalBlock_bornier-2_P5.08mm | J1 |
| 1 | Heatsink | Power:Heatsink_TO220_15x10mm | HS1 |
| 1 | L7812 | Package_TO_SOT_THT:TO-220-3_Vertical | U1 |
| 1 | Output+ | MountingHole:MountingHole_6.4mm_M6_ISO14580_Pad | J2 |
| 1 | Output- | MountingHole:MountingHole_6.4mm_M6_ISO14580_Pad | J3 |
| 1 | PC817 | Package_DIP:DIP-4_W7.62mm | U4 |
| 1 | To Control | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical | J4 |
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Questions
How big is the FullCapacitorBankAdapter PCB?
It measures 116.8 × 61 mm and has 2 copper layers, 1.6 mm thick.
What parts does the FullCapacitorBankAdapter use?
45 parts, built around the LM393, L7812 and 2W10. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
Where can I download the FullCapacitorBankAdapter KiCad files?
From the gongminmin/ImpulseDrive repository on GitHub, at the commit this page was made from: the board is Circuit/CapacitorBank/FullCapacitorBankAdapter.kicad_pcb and its schematic Circuit/CapacitorBank/CapacitorBank.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the FullCapacitorBankAdapter design in my own project?
Its repository publishes it under the MIT licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).