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naviathan

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Posts posted by naviathan

    Megasquirt...hell...

    in MegaSquirt

    Posted

    I'm willing to bet your lack of spark is due to the plugs being horribly fouled. Get a new set of copper NGK plugs and test for spark again. If you're still getting that sporadic spark signal then there's something wrong with your connection to trigger.

    I behold, my very first parking lot donut! FAIL!

    in Non Tech Board

    Posted

    Well, a good donut just for fun sake should only be attempted in an empty parking lot. Flying debris can get expensive. You can experiment with using the brakes to improve the quality and radius of the turn (brakes are biased to the front giving your rear more resistance to push against). Width and compound of the tires makes a big difference, especially on dry surfaces. As the tires heat up from the friction they will get sticky and start to grab more. Cheap high mileage tires are great for donuts because they're usually made of harder rubber. Harder rubber lasts longer, but is more dangerous in everyday driving. Most of all, just be careful.

    NEW GUY, and already need a little help !

    in Gen I & II Chevy V8 Tech Board

    Posted

    Nice, June of 1970. Not an early early 240, but early enough to be worth something eventually. You have more at stake here than just the decision of motor/body. You CAN NOT drive a car and restore it at the same time. It just doesn't work. I've tried as have many others. You always end up needing another vehicle eventually. Not to mention, it will nickel and dime you to death just keeping it on the road. I say strip it and get the body right first. Then worry about the engine options later.

    No Quick Reply box?

    in Site Support

    Posted

    At the bottom of a thread/post there always use to be a quick reply box. Lately it hasn't been coming up for me. I've tried Firefox, IE and Google Chrome with the same results in all three. It's like I don't have permissions to reply to posts or something?

    So I went to wave flags this weekend and my cars front end is now crushed

    in Non Tech Board

    Posted

    Tony's right. It's referred to as uneconomically feasible to repair. Insurance companies love to use it because if you want to keep your car, they'll total it, pay you a set value for the car minus what they consider the current value and then you end up with a little cash and car with a junkers title that most states won't allow on the roads anymore. Check into your current state laws and see what the insurance company is going to do. Getting some money doesn't always mean you'll make out in the end.

    Mech-Engineering degree and UTI??

    in Non Tech Board

    Posted

    Soon, we will both undoubtedly spontaneously evolve into self-levitating brain sacs with tendrils in which I can ensnare beautiful girls... you can do what you want with your tendrils. I'm ensnaring girls!:mrgreen:

     

    I most assuredly DO NOT have an MBA. Nor a Masters of any kind.

     

    My father was a public school administrator who had educational requsites comparable to a doctoral degree, but never pursued the title like so many of his friends did because he was not out for a title, and knew with it he would be excluded from some of the more interesting small districts in the state. As it was, due to his qualifications school districts were not offering positions, and when he asked they said "we can't pay you what you're worth"---it's kind of a compliment, but it really upset my dad because there were places he really thought he could help, and really would have taken those jobs for whatever they could pay just to DO that job.

     

    I have taken a job for HALF what I previously was making at a 'lower title, higher pay' situation because I thought the job would 1) Enrich My Knowledge Base, 2) was an area where I didn't know what I thought I should, 3) was 'interesting'...

     

    I can't say I've made top dollar anywhere I went, but that was not my concern. If I wanted to be rich, I'd start my own business. That's a fact, you won't get rich working for someone else. But what I have done is take positions where I was interested in what they were doing and thought they could give me something to work my brain. Like I said, I had fantasies about design work at one time. I ended up landing a job Drafting brackets for MJ1A Bomblifts (something I worked on while in the USAF) and after 6 months I was through with that...forever. Not day in day out. An occasional bracket. An occasional tool. Overhung load calculations... sure fine... But sitting in a cubie all day at a workstation (then again, this was before internet availability and desktop surfing...hmmmmmmmmmmm) I'd take the axe and do 'Jack Nicholson' on the cubie walls. By the end of October this year likely I will have spent 12 days in my office in Diamond Bar. WOO HOO! I hate going to the office.

     

    But I digress.

     

    Learning is not something that is quantified by the paper you present to them and validate your CV. Learning is something you do continuously and in every facet of your life. Curiousity is contagious. The best time in my life was when I was going to technical school in the USAF---I got PAID to go to school, and had a fully outfitted gym at my disposal. Right, I knew about automotive mechanics at the time, ended up going into support equipment with the logic "I already know about jeeps and cars, this looks interesting"... That got me on the flightline, where F15C's and D's were, and guys who were 'mechanics' because the USAF told them they were...not because they did anything more than score about a 25 on the ASVAB to qualify for the spot. When a guy with support equipment training walks out and troubleshoots your weapons release problem without ever having seen the schematic before.... that was the time I started figuring maybe I should spend time at U of Md classes after work.

     

    Believe it or not, 'Asian Studies'... And even then, no matriculation formally. Close, but no cigar. Some upper level composition and history credits were lacking and I wasn't there long enough to wait for them to open up and complete the coursework. Minor in Business Admin since that's about all they offered overseas. Sucked.

     

    Then, when on the road with Atlas Copco I found 2000 hours a year in hotel rooms in such senic places as Keokuk Iowa, and Worland Wyoming. So there was this outfit associated with Penn State called "ICS" a correspondence school that had done work with the Military. I started the associates program in ME Technology, and completed it. Except for that three weeks you needed to do at Penn State in the lab. Meh, I was too busy. I just paid for the next course (Industrial Eng) and did the same thing... After a couple o five years I had done four of their programs, all associates degrees, but never the three week program to complete and officially matriculate for any of them. I asked for time off once and my dentally challenged supervisor made gruff commentary about not wasting the company's time...and since I only was entitled to TWO weeks vacation at any given time what was the use? Hell, as long as my GPA was above a 3.5 they paid 100% of the course cost anyway---wether I matriculated officially or not. Knowedge for knowledge's sake I suppose. Didn't cost me anything but time in a hotel room that I would have spend reading history books anyway (this trip from Australia got me over $175 worth of books on Aussie History, making me overweight on baggage for British Air!) Hey, I got time to read. Starting to make sense now?:icon45:

     

    I am reminded of Blutarski in "Animal House" as he exclaims 'Eight Years of College Shot to Hell'...

     

    Basically I've been learning continuously since I started to read. I have taken applied classes here and there, technical courses and seminars, and probably another 2000 hours of vendor-specific training...and likely some diploma mill someplace would complie all the stuff and give me some sort of "Life Experience Bachelors" that I could hang on my wall. I considered it when I realized that my compatriot at the company in our controls group confessed to me he had a double associates out of Penn State (ASEE, ASME) which was combined for a bachelors somehow. I started going to myself "hey, I got four of those, plus 20 years in the business..."

     

    I guess if I totaled it all up maybe it's more than a simple bachelors. I haven't really run across anything I couldn't figure out yet. One of the things I've always ended up gravitating towards at work is the training aspect, I ended up being selected for training because I could pass on what I learned. Many times I was picked to be a trainer. Much of what I do now for Distributor Support can be defined broadly as training. It really was all I wanted to do...but remember my father was a school administrator, and former teacher and he said at a really young age: "You don't want to be a teacher..." Well I did...and curiously now he's sending me articles from Michigan where retirees in hands-on trades are now being accredited as teachers by the state (like they formerly wre allowed to do before the NEA Union was entrenched, you could apprentice to be a teacher in Mighigan at one time!) because the skills they have from 30+ years on the job just can not be taught by someone who is 24 and just out of university with a teaching credential. From the martial arts, you couldn't progress beyond shodan unless you spent time teaching younger students. It was a lesson learned well, because I saw in teaching others I learned more---or more importantly I questioned what I thought I knew more---and until you do that, you are merely regirgutating something you read in a book, or had thrown at you in some lecture. There are PLENTY of people out there who can recite stuff from rote, or reading...but what insight do they have beyond what they speak?

     

    One of my favorite shows on TV at one time was 'The Pretender'---the last scene of the opening credits where the old lady in the bed looks up at Jared and says 'are you a doctor?' His answer is what I've said to customers ever since: "I am today!"

    Tony, that was a fantastic read. Thank you.

    Injector drivers get HOT after 30 sec of running

    in MegaSquirt

    Posted

    Also, here's a quote from the troubleshooting section of http://www.megamanual.com

     

    16) If you have MAP sensor spikes that aren't traceable to back-fires, etc, and you are using PWM to limit the current to low impedance injectors, you might have to modify flyback circuit. The fix for this specific problem (noise in the sensor signals, and a noisy +12v battery signal, spikes to 17v, dips to 7v) was to decouple the flyback +12v lines (both TIP125's) from the MS +12v input pin, and run them back to before a noise filter on the +12v input of the MegaSquirt.

    To do this, lift the +12v pin of each of the TIP125's in the flyback circuit. The TIP125 are Q9 and Q12 (the ones with the mica insulators). The 12V pin on the TIP 125 is the pin in the middle - melt the solder and pull the pin up with needle nose pliers. Then run a wire from each of the pins you pulled up independently back to the raw +12v supply (outside of the box), and before the noise filter. You can ran the wires through the spares (SPR3 and SPR4, which go to DB37 #5 and #6). 20ga is just fine.

     

     

    The point to that quote is to show what noise in the circuit can do.

    Injector drivers get HOT after 30 sec of running

    in MegaSquirt

    Posted

    4mp is great. I'll have to look a little more closely at it when I've had a bit more rest, however you need D19. It is important to the circuit because it controls voltage spikes on the 5v. Might not seem important to the injectors, but it is important to the system as a whole. You'd be surprised what kind of havoc an unclean 5v reference can cause on an MS unit.

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