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Search: Posts Made By: backtrack9
Forum: XMODS Parts and Hop-Ups 02-08-2004, 08:12 PM
Replies: 16
Views: 3,130
Posted By backtrack9
Ok, let me see. I really didn't try to max out...

Ok, let me see. I really didn't try to max out the voltage or current when testing the FF180 or FK180. As for Mabuchi's listings for these two motors you have to be careful. There are four...
Forum: XMODS Parts and Hop-Ups 02-08-2004, 12:22 PM
Replies: 16
Views: 3,130
Posted By backtrack9
180 Motor

Hey everyone,

The stock motor out of a Micro RS4 is a FK180 not a FF180. I know it sounds like arguing semantics, but there is a fundamental difference between these two motors. The difference...
Forum: XMODS Mods and Projects 02-04-2004, 11:31 PM
Replies: 8
Views: 2,937
Posted By backtrack9
Updated Results and Analysis Spreadsheet

Ok everyone, here are the latest results from my testing. The new "Results" file now contains information on three new motors. I was able to add a SpinBrush - Stage 1 motor, a FF180SH (taken from a...
Forum: XMODS Mods and Projects 02-03-2004, 06:38 PM
Replies: 8
Views: 2,937
Posted By backtrack9
Hey bob256, I have also been playing with...

Hey bob256,

I have also been playing with the 180 motors for some time now (check out a few of my posts in the "180 motor" thread in XMOD Science). I tried to test one of them on the dyno and...
Forum: XMODS Mods and Projects 02-02-2004, 11:35 PM
Replies: 8
Views: 2,937
Posted By backtrack9
Thank you Bob256, I first thought of some...

Thank you Bob256,

I first thought of some way to actually measure power output and then realized it would take a lot more instrumentation than I could afford. I couldn’t justify either building...
Forum: XMODS Mods and Projects 02-02-2004, 10:02 PM
Replies: 8
Views: 2,937
Posted By backtrack9
Real Motor Analysis

Dear XMOD Community,

I have been working for some time on something everyone has wanted a way to answer the question – “What is the best motor for my XMOD?” I built a home-made motor dyno to...
Forum: XMODS 02-02-2004, 01:52 PM
Replies: 2
Views: 964
Posted By backtrack9
Thanks Exaran, I just read through the...

Thanks Exaran,

I just read through the TinyRC Forum FAQ again and realized that I could in fact attach a *.zip file. I will start typing up the new post shortly and attach the results. I hope...
Forum: XMODS 02-02-2004, 12:41 PM
Replies: 2
Views: 964
Posted By backtrack9
Question for Bad Company

Hey B.C.,

I have a quick question to ask of you. I don't know if you have received my e-mails (currently no reply) on this matter or not, but I really need some input on this. I have...
Forum: XMODS Mods and Projects 01-29-2004, 05:33 PM
Replies: 4
Views: 793
Posted By backtrack9
Battery Internal Resistance

Yeah, I thought of doing the same thing, or something similar. The reason I didn't was because I later found out the internal resistance of a 1/3AAA battery is almost 2X that of a AAA battery. This...
Forum: XMODS 01-12-2004, 06:21 PM
Replies: 16
Views: 5,520
Posted By backtrack9
Resistors to use

Hey Neuro, I thought I would give you a piece of insight as to the exact surface mount resistor I used. Here is where I got mine from http://dkc3.digikey.com/pdf/T041/0860-0864.pdf. I used the 0603...
Forum: XMODS Mods and Projects 01-12-2004, 12:35 PM
Replies: 20
Views: 3,598
Posted By backtrack9
Thank you RGM1524 for your complement.

Thank you RGM1524 for your complement.
Forum: XMODS Mods and Projects 01-10-2004, 06:38 PM
Replies: 20
Views: 3,598
Posted By backtrack9
Looks like someone else found the same thing

Ok everyone, I have just looked at the modification suggested in the thread posted above at Xmodworld.com (http://xmodworld.com/modules.php?name=Forums&file=viewtopic&t=1653). This is exactlly what...
Forum: XMODS Mods and Projects 01-09-2004, 03:30 PM
Replies: 20
Views: 3,598
Posted By backtrack9
Other problem than just the car

Trust me, I have gone through every geometric possibility for this behavior and found nothing. I own a Supra and a RSX. Both cars exhibit the same behavior. I know for certain the rear of both...
Forum: XMODS Mods and Projects 01-09-2004, 12:22 PM
Replies: 20
Views: 3,598
Posted By backtrack9
Unequal Right and Left Turning Radius Fix

I have been noticing something continuously wrong with my XMOD. The turning radius to the left is smaller than the turning radius to the right. I have tried everything to fix this from remounting...
Forum: XMODS Science 01-07-2004, 11:43 AM
Replies: 9
Views: 3,500
Posted By backtrack9
Laser Digital Tachometer

Ok, so I picked up one of these laser digital tachometers to see if they could indeed be used to measure the speed of these little motors. After placing a small target adapter on the end of the...
Forum: XMODS Mods and Projects 01-02-2004, 09:16 PM
Replies: 6
Views: 1,397
Posted By backtrack9
Two 2/3AAA cell will end up being about 7/16" too...

Two 2/3AAA cell will end up being about 7/16" too long to fit in the stock AAA holder. Solution: modify the stock battery holder. There is room on the XMOD chassis for this type of configuration. ...
Forum: XMODS Mods and Projects 01-02-2004, 05:00 PM
Replies: 17
Views: 1,661
Posted By backtrack9
Re: how many volts can it handle

A 12v camera battery is probablly going to be a Lithium battery. This type of battery is not good to use for a high current drain application such as the Xmods. The lithium batteries have a very...
Forum: XMODS Mods and Projects 01-02-2004, 02:43 PM
Replies: 6
Views: 1,397
Posted By backtrack9
New 6 Cell Idea!

Ok everyone, I just came across an interesting find. To my knowledge all of the 5 and 6 cell modifications have been done so far by simply adding on an additional AAA battery holder to the...
Forum: XMODS Science 12-26-2003, 10:21 AM
Replies: 119
Views: 18,162
Posted By backtrack9
maybe a little too far

Okay, I got a Micro RS4 stock 180 motor and opened it up to make a few little modifications. I first unwound the armature completely. Next I repositioned the comm by turning it 90° CW (if you are...
Forum: XMODS Science 12-23-2003, 03:27 PM
Replies: 119
Views: 18,162
Posted By backtrack9
Colgate Actibrush Rewind Project

Ok, just to let everyone know I have done a quick test on the Colgate Actibrush 180 motor. I purchased one and then quickly disassembled it to take out the motor. To my surprise it was a Mabuchi...
Forum: XMODS Science 12-18-2003, 12:14 PM
Replies: 9
Views: 3,500
Posted By backtrack9
One small word of caution

Thanks for the ideas everyone. Just one small word of caution about the laser tachometer method. These units require a reflective target be placed on the rotating shaft to be measured. These...
Forum: XMODS Science 12-16-2003, 12:03 PM
Replies: 9
Views: 3,500
Posted By backtrack9
Measuring Motor RPM

Ok everyone - has anyone found a good repeatable method for measuring the speed of these little motors? I am not talking about running it on a treadmill (very inacurate) to get the speed of the...
Showing results 1 to 22 of 22

 
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