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-   -   DIY rotational balancing (engine rotating assy, TURBOS) (https://www.homemadeturbo.com/general-discussion-6/diy-rotational-balancing-engine-rotating-assy-turbos-81710/)

Tom-Guy 08-22-2007 01:35 PM

DIY rotational balancing (engine rotating assy, TURBOS)
 
http://www.electro-tech-online.com/g...xis-input.html

I love this stuff.


Hitchhikkr 08-22-2007 01:47 PM

Re: DIY rotational balancing (engine rotating assy, TURBOS)
 
Blame canadia. That guys from quebec.... :X

Tom-Guy 08-22-2007 02:01 PM

Re: DIY rotational balancing (engine rotating assy, TURBOS)
 
Who ------- cares?

I have $1050 burning a hole in my pocket right now. Based on experienced feedback I'm waiting for in an electronics forum, I'll either save another $200 for a sweet Tektronix TDS2004B scope, or go with one of the less expensive equivalvent Agilent or GW Instek units. 60Mhz, 4 input, color screen, USB interface, portable battery option, 5 lb pieces of plastic FTW.

scottsi 08-22-2007 02:26 PM

Re: DIY rotational balancing (engine rotating assy, TURBOS)
 
I want to grow up to be just like you JD.

Hitchhikkr 08-22-2007 02:40 PM

Re: DIY rotational balancing (engine rotating assy, TURBOS)
 
What do you think about the Instek GOS-6103's??? How do they compare to the tektronix???

Only reason im asking is because we have one here at the shop...and since im illiterate in the EE world, i'd be nice to know if im dealing with decent equipment....

Tom-Guy 08-22-2007 03:14 PM

Re: DIY rotational balancing (engine rotating assy, TURBOS)
 
It's not as useful to me, I need something different, but it is a pretty solid piece.

http://www.testequipmentconnection.c...4e23fc2816a2d0

buk9tp 08-22-2007 03:31 PM

Re: DIY rotational balancing (engine rotating assy, TURBOS)
 
plenty of people in cali to pick this one up for ya
http://cgi.ebay.com/Instek-GOS-622G-...QQcmdZViewItem

and this dudes local to me
http://cgi.ebay.com/Instek-GOS-6103-...QQcmdZViewItem

Tom-Guy 08-22-2007 03:35 PM

Re: DIY rotational balancing (engine rotating assy, TURBOS)
 
I have zero interest in analog scopes.

DrSeuss 08-22-2007 03:37 PM

Re: DIY rotational balancing (engine rotating assy, TURBOS)
 
We use a textronix digital scope in work. Along with various other 20mhz scopes. Unless you want to analyse digital signals (we use the digital scopes for HDMi) the cheaper analogue scopes are good enough. The storage and triggering options are fiddly but seriously useful.

I suppose alot of your reasoning is, the tektronix items are portable. Which for working with cars is a godsend. I work with hifi, as a rule it's stationary. I'd be tempted to buy a cheap scope for the workbench (second hand and old). And one for working in/on cars.

Good idea about keying it to a position sensor. Of course, honda already have them fitted ;D

buk9tp 08-22-2007 03:43 PM

Re: DIY rotational balancing (engine rotating assy, TURBOS)
 
https://www.cs.tcd.ie/courses/baict/...illoscope.html

Tom-Guy 08-22-2007 03:52 PM

Re: DIY rotational balancing (engine rotating assy, TURBOS)
 
Is there any reason you feel the need to link to entirely irrelevant ----, buk?

buk9tp 08-22-2007 03:57 PM

Re: DIY rotational balancing (engine rotating assy, TURBOS)
 
because im dumb as ----?

also now im reading up on built in games into the older models also modifying em to play games

http://youtube.com/watch?v=s2E9iSQfGdg
http://youtube.com/watch?v=blmybPGOlfM
http://youtube.com/watch?v=Hui5Azx5jQo


buk9tp 08-22-2007 04:04 PM

Re: DIY rotational balancing (engine rotating assy, TURBOS)
 
now reading up on automotive applications how to suck cocks better..

different tests
http://www.labscopes.com/pg06.htm
among many others..
low compression in cylinder #2 determined by comparing it to the other cylinders aka relative compression test boosh!
http://www.labscopes.com/pg18.htm#b



buk9tp 08-22-2007 04:10 PM

Re: DIY rotational balancing (engine rotating assy, TURBOS)
 
http://www.picotech.com/oscilloscope.html


This guide describes how to use an automotive oscilloscope to test the ignition circuits in a modern motor vehicle
http://youtube.com/watch?v=znVlQ5lNtUM


How to use an automotive oscilloscope to test the fuel injection of an automobile.
http://youtube.com/watch?v=Xt40XK2j1dE

buk9tp 08-22-2007 04:16 PM

Re: DIY rotational balancing (engine rotating assy, TURBOS)
 
http://www.picotech.com/auto/automot...illoscope.html

Tom-Guy 08-22-2007 04:18 PM

Re: DIY rotational balancing (engine rotating assy, TURBOS)
 
buk, that picotech stuff is junk. Better off eBaying a used analog benchtop piece for $75 to the door.

buk9tp 08-22-2007 04:32 PM

Re: DIY rotational balancing (engine rotating assy, TURBOS)
 
8)
pt 1 http://youtube.com/watch?v=9w5mLHv0nNY
pt 2 http://youtube.com/watch?v=TaYuj38I3Xg
pt 3 http://youtube.com/watch?v=xEnge9e90_A

MikeJ-2009 08-22-2007 04:55 PM

Re: DIY rotational balancing (engine rotating assy, TURBOS)
 
I thought I was gonna learn to homemadebalance my ----, but I'm feeling like I got duped.

buk9tp 08-22-2007 04:56 PM

Re: DIY rotational balancing (engine rotating assy, TURBOS)
 

Originally Posted by Stealthmode
I thought I was gonna learn to homemadebalance my ----, but I'm feeling like I got duped.

using prunes and/or starch/fiber :D

now thats what i call homemadebalancing your ---- 8)

more prunes to lower your shits viscosity and add more starch/fiber to increase it 8)

Cray91 08-22-2007 05:15 PM

Re: DIY rotational balancing (engine rotating assy, TURBOS)
 

Originally Posted by Stealthmode
I thought I was gonna learn to homemadebalance my ----, but I'm feeling like I got duped.

Yeah I thought JD was gonna be showing pictures of some intense HomeMade balancer. This is just too much to think about at work.

Tom-Guy 08-22-2007 05:18 PM

Re: DIY rotational balancing (engine rotating assy, TURBOS)
 
It's actually super easy... just hook up some probes to some sensors.

ifly87 08-23-2007 10:25 AM

Re: DIY rotational balancing (engine rotating assy, TURBOS)
 
analog scopes put hair on you're chest

Tom-Guy 08-23-2007 11:06 AM

Re: DIY rotational balancing (engine rotating assy, TURBOS)
 
Analog scopes suck for sharing results, freeze frame snapshots, portability, etc.

I'll probably end up with an analog BK unit or older Tek at some unit for "beater duty," but the majority of what I'd use a scope for... analog is cumbersome and awkward.

USS 08-23-2007 12:14 PM

Re: DIY rotational balancing (engine rotating assy, TURBOS)
 
Just get an analog with a Polaroid backup... that's some hardcore ---- right there :)

For balancing -

Would you just position probes in a way to measure contrasts of voltages until they "level" out?


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