CNC Machine Center - Revision history

Tazmanian60: Added section comparing EFI controllers for V-twin engine project (microRusEFI, Speeduino, Megasquirt)

2025-06-15T21:12:26Z

Added section comparing EFI controllers for V-twin engine project (microRusEFI, Speeduino, Megasquirt)

← Older revision		Revision as of 21:12, 15 June 2025
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	https://chatgpt.com/share/684e721a-2690-8010-96cf-a76419a339d2		https://chatgpt.com/share/684e721a-2690-8010-96cf-a76419a339d2

			== EFI Controller Comparison for Open V-Twin Engine Project ==

			Selecting the right electronic fuel injection (EFI) controller is critical to the success and reproducibility of an open-source engine platform. Below is a comparison of leading open-source (and semi-open) EFI solutions tested or proposed for the 38 HP EFI V-twin project.

			=== ✅ microRusEFI — Recommended for Long-Term Modular Design ===

			microRusEFI is a modern, compact, fully open-source EFI platform based on the STM32 microcontroller family and the rusEFI firmware ecosystem. It is our preferred EFI controller for the V-twin engine project due to its combination of modern electronics, flexibility, and advanced control features.

			Specific advantages:
			* Fully open hardware and firmware (unlike Megasquirt MS2/MS3)
			* Native support for sequential injection and logic-level coil control (ideal for a twin)
			* Real-time logging, self-tuning integration, and rusEFI_console GUI support
			* Scalable to future designs (e.g. turbocharging, knock sensing, CAN bus, boost control)
			* Compact PCB ideal for sealed, vibration-resistant engine bay installation

			'''Ideal for''': Builders seeking a long-term EFI development platform with full control over every parameter and diagnostic output.

			[https://github.com/rusefi/microRusEfi → GitHub Project: rusefi/microRusEfi]

			=== 🟦 Speeduino — Excellent for Rapid Prototyping & Education ===

			Speeduino is a DIY-friendly EFI solution based on the Arduino Mega platform. It has a large grassroots community and is well-documented for use in 2- to 4-cylinder engines.

			Specific advantages:
			* Easy to build and modify (through-hole components, modular)
			* Low cost and widely available kits and premade units
			* Compatible with TunerStudio tuning software
			* Works well in batch-fire configurations or semi-sequential

			'''Limitations''':
			* Less robust for high-RPM or complex load scenarios
			* Lacks built-in knock sensing, CAN bus, or advanced closed-loop controls
			* Injector timing and dwell control are less precise at high speeds

			'''Ideal for''': Entry-level EFI users, education projects, or minimal batch-fire builds.

			[https://speeduino.com Speeduino Homepage]

			=== 🔵 Megasquirt MS2/MS3 — Feature-Rich but Proprietary Firmware ===

			Megasquirt is a widely-used aftermarket EFI system with support for a large number of engine configurations. MS3 in particular offers full sequential injection, CAN, boost, and idle control.

			Considerations:
			* Closed firmware, limited modifiability
			* Higher cost (~$300–600)
			* Community support is broad but geared toward automotive enthusiasts

			'''Ideal for''': Users who want a tested, feature-rich system but don’t require open-source firmware.

			=== 📘 Summary Table ===

			{\| class="wikitable"
			! Feature !! microRusEFI !! Speeduino !! Megasquirt MS2/MS3
			\|-
			\| Open Source (HW & FW) \|\| ✅ Fully \|\| ✅ Mostly \|\| ❌ Firmware closed
			\|-
			\| Sequential Injection Ready \|\| ✅ Yes \|\| ⚠️ Limited \|\| ✅ Yes
			\|-
			\| Cost \|\| 💲💲 \|\| 💲 \|\| 💲💲💲
			\|-
			\| Tuning Software \|\| TunerStudio, rusEFI tools \|\| TunerStudio \|\| TunerStudio
			\|-
			\| Diagnostics + Expansion \|\| ✅ Advanced \|\| ⚠️ Basic \|\| ✅ Advanced
			\|-
			\| Ease of Use (Beginner) \|\| ⚠️ Moderate \|\| ✅ Easy \|\| ⚠️ Moderate
			\|}

			microRusEFI is the recommended platform for the 38 HP open-source V-twin due to its blend of modern electronics, open licensing, sequential control, and growing developer ecosystem. It represents a forward-compatible choice for open manufacturing ecosystems and resilient engine design.

Marcin at 07:18, 15 June 2025

2025-06-15T07:18:17Z

← Older revision		Revision as of 07:18, 15 June 2025
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	https://chatgpt.com/c/684e50f3-490c-8010-9882-3c150d7d9ff6		https://chatgpt.com/c/684e50f3-490c-8010-9882-3c150d7d9ff6

	Get a used Fadal to make engines using LinuxCNC. Perfect Impossible Project, worth ~~____________~~.		Get a used Fadal to make 38 hp engines using LinuxCNC. Perfect Impossible Project, worth about $3B addressable market [https://chatgpt.com/share/684e7387-92a0-8010-a347-68d3a9598195].

	https://chatgpt.com/share/684e721a-2690-8010-96cf-a76419a339d2		https://chatgpt.com/share/684e721a-2690-8010-96cf-a76419a339d2

Marcin at 07:14, 15 June 2025

2025-06-15T07:14:11Z

← Older revision		Revision as of 07:14, 15 June 2025
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	Get a used Fadal to make engines using LinuxCNC. Perfect Impossible Project, worth ____________.		Get a used Fadal to make engines using LinuxCNC. Perfect Impossible Project, worth ____________.

	~~https://chatgpt.com/share/684e7010-77d4-8010-ab38-f1cdcbc037f8~~

	https://chatgpt.com/share/684e721a-2690-8010-96cf-a76419a339d2		https://chatgpt.com/share/684e721a-2690-8010-96cf-a76419a339d2

Marcin at 07:13, 15 June 2025

2025-06-15T07:13:36Z

← Older revision		Revision as of 07:13, 15 June 2025
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	https://chatgpt.com/c/684e50f3-490c-8010-9882-3c150d7d9ff6		https://chatgpt.com/c/684e50f3-490c-8010-9882-3c150d7d9ff6

	Get a used Fadal to make engines?		Get a used Fadal to make engines using LinuxCNC. Perfect Impossible Project, worth ____________.

	https://chatgpt.com/share/684e7010-77d4-8010-ab38-f1cdcbc037f8		https://chatgpt.com/share/684e7010-77d4-8010-ab38-f1cdcbc037f8

			https://chatgpt.com/share/684e721a-2690-8010-96cf-a76419a339d2

Marcin at 07:07, 15 June 2025

2025-06-15T07:07:56Z

← Older revision		Revision as of 07:07, 15 June 2025
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	Get a used Fadal to make engines?		Get a used Fadal to make engines?

			https://chatgpt.com/share/684e7010-77d4-8010-ab38-f1cdcbc037f8

Marcin at 05:48, 15 June 2025

2025-06-15T05:48:35Z

← Older revision		Revision as of 05:48, 15 June 2025
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	https://chatgpt.com/c/684e50f3-490c-8010-9882-3c150d7d9ff6		https://chatgpt.com/c/684e50f3-490c-8010-9882-3c150d7d9ff6

	Get a used ~~Haas or Fe~~		Get a used Fadal to make engines?

Marcin at 05:47, 15 June 2025

2025-06-15T05:47:34Z

← Older revision		Revision as of 05:47, 15 June 2025
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	https://chatgpt.com/c/684e50f3-490c-8010-9882-3c150d7d9ff6		https://chatgpt.com/c/684e50f3-490c-8010-9882-3c150d7d9ff6

			Get a used Haas or Fe

Marcin: Created page with "https://chatgpt.com/c/684e50f3-490c-8010-9882-3c150d7d9ff6"

2025-06-15T05:47:18Z

Created page with "https://chatgpt.com/c/684e50f3-490c-8010-9882-3c150d7d9ff6"

New page

https://chatgpt.com/c/684e50f3-490c-8010-9882-3c150d7d9ff6