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Forced Induction Turbo, Supercharger, Methanol, Nitrous |
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07-09-2013, 06:03 PM | #1 |
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Open Source Electric Supercharger
Since there has been much interest in the Phantom electric supercharger, and many people throwing around ideas oh how it could be improved I'm starting this thread for interested tinkerers like myself to share information and brainstorm designs and improvements.
Important things to keep in mind 1. Safety First Electricity can be cause damage to your car, and more importantly to you. Experiment at your own risk. 2. All ideas are welcome Feel free to contribute but at the same time make sure you've read the whole thread and are not just rehashing something that's already been brought up. 3. Be Respectful People have different skill/knowledge levels. Don't make someone else feel dumb just because they asked an honest question. 4. This is open source only The goal is to share information, not create a commercial product. Parts -MAP sensor connector: Sumitomo HX 040 3-way (need to verify) -Throttle Position Sensor Connector: Yazaki 6-Way (need to verify) -Crank Position Sensor Connector: NipponDenso 2-way (need to verify) -MAF Sensor Connector: TS 025 5-way (need to verify) Useful Links Phantom Superchargers http://www.phantomsuperchargers.com/ @fenton 's Phantom Supercharger Build http://www.ft86club.com/forums/showthread.php?t=39719 EFI connection (excellent source for automotive electrical connectors) http://www.eficonnection.com/ Kinugawa Turbo (for compressor housing/wheel parts) http://kinugawaturbo.com An interesting papaer on electric supercharging http://www.movingmagnet.com/medias/d.../m12-12-16.pdf A large collection of compressor maps http://www.not2fast.com/turbo/maps/all.html
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Last edited by neutron256; 05-24-2014 at 08:41 PM. |
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07-09-2013, 06:08 PM | #2 |
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Here's what I've got so far..It's not much.
[ame="http://www.youtube.com/watch?v=b2UH8CMC780"]At dunno motor 1 - YouTube[/ame] |
07-09-2013, 06:11 PM | #3 |
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Neutron256's electric supercharger build
Relevant Skills:
-Basic Electronics (including some experience with micro controllers) -Hobby Machinist -CAD (preferred program RhinoCAD) -Hobby Mechanic Speciality Tools: -Benchtop CNC Mill -Benchtop Lathe -3D Printer -Assorted Shop Tools -Limited access to a full Machine Shop My Build Compressor -TD05/06 Compressor Housing (ordered) -20G Compressor Wheel (ordered) I may have to switch to a 25G wheel and housing but I will see how the 20G performs first. I'll have to custom machine the backplate for the housing to serve as a mount for the motor. Some sort of adapter will need to be created to mount the compressor wheel directly to the motor shat Motor Turnigy SK3 (3968-1500KV) Kv (rpm/v) 1500 (theoretical top speed 45K RPM) Weight (g) 363 Max Current (A) 110 Resistance (mh) 0 Max Voltage (V) 30 Power(W) 3000 Shaft A (mm) 8 Length B (mm) 68 Diameter C (mm) 39 Can Length D (mm) 68 Total Length E (mm) 92 Speed Controler Turnigy dlux 120A HV Brushless Speed Controller Spec. Max Cont Current: 120A Max Burst Current: 140A BEC: N/A LiPo: 6~12S NiMH: 16~36cells Weight: 129grams Max RPM (2-pole): 200,000rpm Size: 60 x 33 x 23mm Motor Plug: Female 4mm bullet Connector Battery Plug: Nil Features: Spark Eliminator Lead with 2mm Plug Controller -Microcontroller (haven't decided but I favor the PICaxe because its cheap and simple) -Display (I really just want a simple LED Bar display to show charge) -Inputs Tap into the throttle position sensor Boost sensor Battery Charge Power Switch Arm Switch Battery -Testing Turnigy nano-tech A-SPEC 4000mah 10S 65~130C Lipo Pack (This will be charged outside the car. Test setup will not include a charging system) -End Goal Still Researching General Concept The boost sensor will allow the Micro Controller to keep the compressor running at a speed to match atmospheric pressure reducing intake restriction when the system is in standby. When the system is active the Micro Controller can use the boost sensor to match the amount of boost to a given throttle position. Other Thoughts It might be nice to have selectable recharge rates to allow the driver to choose how much and when the extra load of the battery charging happens.
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Last edited by neutron256; 07-14-2013 at 10:40 AM. |
07-09-2013, 06:36 PM | #5 |
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07-09-2013, 07:21 PM | #6 |
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Cool coool, funky that you are typing the %? as you go
Write a simple simulation function to do 5% increments with 100-500ms as well as simple print instructions per each step probably would help later for testing purposes too. |
07-09-2013, 07:34 PM | #7 |
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Here are some potential high rpm motors: http://www.neumotors.com/Site/1500_series.html
I'd like to go all out and build a GUI showing: turbo power % TPS % MAP in/hg TPS change in % over past x ms |
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07-09-2013, 07:41 PM | #8 |
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For you programmers out there, how hard do,you think it would be to adjust the speed of the motor in a liner way to match a target boost pressure?
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07-09-2013, 07:55 PM | #9 | |
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Quote:
is that what you mean? It's definitely one of the more (if not the) most challenging aspect. Very similar to "gain" on an EBC. "Gain" could be done with a pot. I don't translate my thoughts to words well most of the time. This is no exception. |
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07-09-2013, 07:56 PM | #10 | |
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07-09-2013, 08:03 PM | #11 |
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We should start a github repo for the controller code, models, etc.
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07-09-2013, 08:04 PM | #12 | |
Hold my beer n watch this
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Quote:
I built one in Univ for fun for ~80$ I think. Used an arduino controller to convert a 0 to 5V signal from the pedal (or in this case you'd use the throttle body signal) and change it to a PWM to pulse the mosfets on and off which controls how much power you send, then during all that you alternate which mosfets you are driving to charge the right windings and push the motor forward. I think what I built was good for 48V / 30A. I used a inverter IC package since they frowned upon building something for that much power myself O.o Obviously with something for a car it has to be more robust / withstand heat, but its not hard. The coding was simple, like 15-20 minutes probably depending on how fancy you wanted it. Obviously with a GUI / other external stuff its different, but for just a basically throttle to output its a simple loop to build. Last edited by pheoxs; 07-09-2013 at 08:06 PM. Reason: Autocorrect oops |
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07-09-2013, 08:05 PM | #13 | |
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07-09-2013, 08:23 PM | #14 |
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Now with completely unrealistic accelerator and engine sounds (impossible to hear over the motor). Currently it's a 1:1 of accelerator to motor with no RPM, MAP inputs.
[ame="http://www.youtube.com/watch?v=LstTJbAI95M"]Arduino electric supercharger 2 - YouTube[/ame] |
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hairdyerperformance, only pulls hard one gear |
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