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Author Topic: MegaSquirt-III Engine Management System  (Read 3151 times)
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Zeljko
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« on: March 26, 2010, 09:17:29 PM »

 

http://www.ms3efi.com/index.html



  *  March 2010 - MS3 boards retail sales begin!
    * December 2009 - Engines now running full sequential with the MS3X board. "Beta 2" testing underway.
    * November 2009 - MS3X boards en-route to beta group. Another 20 MS3 due for sale imminently as "beta phase 2"
    * September 2009 - Samples of MS3X board due soon
    * August 2009 - Megasquirt-3 now running on eight engines
    * June 2009 - First MegaSquirt 3 installed on a for long term beta testing.
    * April 2009 - MegaSquirt 3 announced at annual "Megameet" Megasquirt conference. Features include sequential fuel and spark, SD card datalogging and more. (See Product information)
          o First two vehicles test fired up on MS3.  A 1984 RX7 GSL-SE and a 1977 Chevy Nova converted to MPFI.


Features:

(Based on full featured MS3+MS3X+V3.57)
Speed-density, alpha-n or MAF for fuelling calculations
16x16 fuel tables in 0.1% steps with true interpolation and movable rows/columns
16x16 spark tables in 0.1 degree steps with true interpolation and movable rows/columns
Wall-wetting transient fuel control for better driveability
On board datalogging to SDcard (max 333Hz sample rate)
Tuning by serial or built-in USB-serial port.
8 channels sequential fuel (hi-z injectors or low-z with external resistors)
2 additional fuel channels (hi-z or low-z)
8 channels sequential spark (logic level output)
6 channels mid current output for small solenoids or relays
2 'spare' conditioned 0-5V analogue inputs (+2 more raw)
Two wideband oxygen sensor input (external controller required)
(Up to eight widebands supported via external data capture)
GM-style stepper idle control
2 and 3 wire PWM idle control
Closed loop idle control
Closed loop mixture control - ideally with wideband
Closed loop boost control
Various boost control systems (gear, time, speed based)
Two stage variable nitrous control
2 step type launch control
CAN communications to interconnect other Megasquirt products e.g. transmission controller
Supports external data capture boards (e.g. for external EGT boards)
EGT data support (with external amplifier)
Staged injection
Dual fuel (e.g. LPG)
Table switching, (mainly for dual fuel use)
Water/Meth injection
Individual cylinder injector trim
Injector phase timing
Individual cylinder spark trim
Support for numerous OEM trigger wheel patterns.
Magnetic (VR), Hall, Opto crank sensor input
Magnetic (VR), Hall, Opto cam sensor input

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The First, DASTEK UNICHIP TECHNICALLY THE BEST; If you need more POWER, you need more AIR(cmf)
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« Reply #1 on: March 26, 2010, 10:26:48 PM »

Trebali su krenuti ispocetka i napraviti postenu plocicu. Sad imas nutra osnovnu plocicu koja je zastarjela(trigger input i te stvari), onda treba dodati ms3 pa ms3x koji jos se nemoze kupiti. Pa se mora kupiti nova kutija.
Treba kupiti oko 500$ novih stvari koje idu na prahistorijsku plocicu koja vredi ispod 100$. Neznam cemu to.
A da ne govorim da imas nutra preko 40kablova jedva naguranih koji bi mogli puknuti(jer kolko vidim koriste kablove namijenjene za compove, a ne za temp kave u autima mogu biti).
Treba jednom napraviti rez i napraviti sve ispocetka.
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Zeljko
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« Reply #2 on: March 26, 2010, 10:48:00 PM »

neku drugi ljudi imalju druge utiske... budem okacio.
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The First, DASTEK UNICHIP TECHNICALLY THE BEST; If you need more POWER, you need more AIR(cmf)
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« Reply #3 on: March 26, 2010, 10:53:26 PM »

Ajde bas me zanima. Dosta sam proucavao ms3, da vidim ako bi se sto pametno moglo iz njega nauciti da skopiram.
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dr.Maljak
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« Reply #4 on: March 27, 2010, 08:46:01 AM »

koliko to kosta sa instalacijom? to je predpostavljam sklopljeno!

pitam jel tolika razlika da je vrijedno zajebancije i zastarjelosti kako ti fire kazes!

 uredu je za nekoga ko se kuzi u elektroniku i u stalno neka dodavanja kojekakvih dijelova, ali muka za ostale, ili imam krivu sliku?

NAPOMENA: NEKAZEM da neradi dobro!
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« Reply #5 on: March 27, 2010, 11:31:06 AM »

Mislim da je oko 1k$ s lambdom(jos nitko nezna cijenu kada nije ms3x jos izao, a ms3 plocice se isto trenutno nemoze kupiti jer je rasporadana). A sad tipican problem ms, ako oces egt i knock i to cijena dosta raste.

http://www.diyautotune.com/catalog/megasquirt-iii-c-76.html?osCsid=d8c9d45e1515f9fd6856e1bf260ae943
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dr.Maljak
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« Reply #6 on: March 27, 2010, 05:19:52 PM »

po meni Vems majka u odnosu na ovo, toliko para a puno nedostataka, i stalno nesto kupi nadogradi, sto u ostalim brendovima odavno postoji!
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« Reply #7 on: March 27, 2010, 05:27:16 PM »

po meni Vems majka u odnosu na ovo, toliko para a puno nedostataka, i stalno nesto kupi nadogradi, sto u ostalim brendovima odavno postoji!

Tocno to. Sada konacno uzeli ok procesor, ekipa koja pise softver za MS je ok(dobro pisu, samo malo ih fali prakse programerima u mapiranju auta). Da su napravi novu plocicu cijela bi dosla kao vems valjda(oko 200-300E) s svim ulazima/izlazima, a sad kupi ovo, pa ono pa ovo, pa jos 5 stvari.
A da ne govorim da jos nisu ispravili trigger wheel decoder, evo kako to na ms1 izgleda
<a href="http://www.youtube.com/v/p8_kZX3dqpI&rel=0" target="_blank">http://www.youtube.com/v/p8_kZX3dqpI&rel=0</a>
Zbog te sitnice je mnogo motora zadetoniralo na kratko i strgalo klip/boltznu/klipnjacu :(.
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