eMachineShop order... need something made?

2451 Views 22 Replies 9 Participants Last post by Sporqster, Jun 3, 2005

Sporqster

Discussion Starter · May 20, 2005

I'm working on a trigger wheel setup for my wife's D16Y8 (yes, Honda) and was planning on ordering some parts from eMachine shop. I used their software to make the part, got the quote, and it's like $105 for 1 part, $110 for 2 parts, $113 for 3... you get the idea... all set-up cost. Anyone interested in an Electromotive TEC trigger for kit for D-series Honda, or Opel, or whatever?- not looking to make any profit, just share costs.

This was for a laser cut trigger wheel from .19" 1040 steel... I'm working on redesigning to make it work on thinner material or maybe mill cut to get the cost down a little- of course if any of you need something cut from the same material I can put it in the same g-code program and the cost per piece goes roughly in half, in 3rds for the 3rd part, etc.... any takers? Anyone want some fancy brackets, trigger wheels, etc?

BETTER YET- any of you guys got a CNC that could be hired out in exchange for materials, homemade wine, and an generous helping of thankyous?!?

I also need to make a plastic housing for this thing that may be machined out of a big block of ABS or possibly SLS/SLA/FDM- rapid prototype... news as it develops- still working on the design on that one though.

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nobody

· #21 · Jun 1, 2005

Travis, if it's conventional the 0 or marker pulse is a reset to count again signal. If it continues to always count up it will get into an overrun situation. You can't let a pulse count continue to infinity. Computers can't cope with that in a rotary aplication. This is typical A quad pulse coding, a bit crude in aplication but for a motor is fine.

Bob, congrats on the calibrated eye. I'm not kidding it does happen if you machine or fab enough.

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Travis

· #22 · Jun 1, 2005

nobody said:
Travis, if it's conventional the 0 or marker pulse is a reset to count again signal. If it continues to always count up it will get into an overrun situation. You can't let a pulse count continue to infinity. Computers can't cope with that in a rotary aplication. This is typical A quad pulse coding, a bit crude in aplication but for a motor is fine.

Yes, the explaination was simplified as I'm talking to a bunch of car guys, not engineers, though you'll note that I didn't say that it didn't get reset... There are hundreds of little details missing.

-Travis

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Sporqster

Discussion Starter · #23 · Jun 3, 2005

Nathan Acree said:
Sporqster,

Are you still considering an emachineshop order, I have a custom trigger wheel that I need made too, for a Ford EDIS/Megasquirt II combination going on the V6 conversion.

Let me know and I'll get the file to you so we can get a quote, I would like to get a few of them.

Thanks,

Nathan Acree
Albuquerque New Mexico

Sure Nathan, I've not got too much to do at work today- shoot me dwg's or dxf's or something to scale and I'll put it on the emachine shop file. I'll send you back the file and either of us can place the order.

I'm still going to do the trigger wheel laser cut, but I'm leaning towards buying my own small CNC for the housing.... There's been a lot of nice looking table top, 110V CNC's going for under 2k... might make a nice addition to the garage, and who knows, maybe I can make it pay for itself.

BTW- bob- about the whole aluminum housing thing... I'm sticking this on a Honda, and I've got a *FREE* 8-cyl TEC. Not a serious performance application here... mostly screwing around with 'found' parts. Since I pretty much have to put the trigger wheel in place of the dizzy rotor. (the whole 4 bangs per revolution thing) I need to keep the stock trigger also as to not disturb operation of the stock tach. I could probably rig something up drilling a hole in the distributer cap and mounting a pickup out there... but a big ol' block of machined aluminum bolted to the side of the distributer has so much more 'bling' factor!

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