Search found 5 matches

by Locost_Johnh
Fri Oct 15, 2010 8:42 pm
Forum: Puma
Topic: Puma board for FreeEMS
Replies: 690
Views: 447805

Re: FreeEMS for Argentina

If using a 36 tooth wheel, and assuming a max engine RPM of 10,000 RPM, that would require a min input frequency of 360 Khz. Maybe I'm missing something, but I think you needed a "divide by 60" in there to go from RPM to RPS. That would make the frequency only 6KHz. But since you most lik...
by Locost_Johnh
Mon Sep 20, 2010 9:04 pm
Forum: Puma
Topic: Puma board for FreeEMS
Replies: 690
Views: 447805

Re: FreeEMS for Argentina

Dave,

I'm new to this stuff too. Found this about BDM's:
http://en.wikipedia.org/wiki/Background ... _interface

Enjoy,

John
by Locost_Johnh
Fri Sep 03, 2010 8:55 pm
Forum: Users Rides
Topic: Newbie Introduction
Replies: 7
Views: 11375

Re: Newbie Introduction

Harvey - Thanks for the pointer, I hadn't found that yet. I got started following a link from somewhere (Google?) to the http://www.diyefi.org/ page. Found the forum from there and now I'm a member. :D Fred - I might take you up on the spark support in a few months. Like I said before, I move slowly...
by Locost_Johnh
Fri Sep 03, 2010 1:41 am
Forum: Users Rides
Topic: Newbie Introduction
Replies: 7
Views: 11375

Re: Newbie Introduction

What is the donk? If you can suffer mechanical ignition on it, you can start FreeEMS fuel injection on it tomorrow. Fred. Thank you for the welcome. Unfortunately, the distributor interferes with the throttle bodies I bought (not a surprise). It's going to be an all or nothing install. But I'm not ...
by Locost_Johnh
Thu Sep 02, 2010 9:10 pm
Forum: Users Rides
Topic: Newbie Introduction
Replies: 7
Views: 11375

Newbie Introduction

Hello! I've got this wild idea that it would be fun to build my own ECU for my little car. The car is called a "Locost" which is a play on the name Lotus, of which it's a replica. I'm an electronics engineer, but it's been quite a while since I really did any design or built anything. I ca...