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New motor break-in


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#1 Brian Cochrane

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Posted 24 March 2017 - 08:38 PM

The way I see it,the most timely thing lately is breaking-in of a new motor. Whether it be in water or a dry break-in it all takes up a lot of valuable time.
 
I feel that since the motors in Retro racing take so much time to break-in that they should either have softer brushes or that the brushes should be radiused by the manufacturer. This would solve and save me and others a lot of time and also create a better and faster running motor...
 
That would be at the top of my slot car wish list...
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#2 Cap Henry

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Posted 24 March 2017 - 08:40 PM

The water from the sink at Tom Thumb was faster then using distilled water LOL.

 

After winning GTC and telling guys that's what I used, I saw a few go try it LOL.


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#3 Brian Cochrane

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Posted 24 March 2017 - 08:42 PM

Just don't drink the water from the sink...



#4 MSwiss

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Posted 24 March 2017 - 08:47 PM

You don't want to drink that water, even straight out of the faucet.

 

I found out how spoiled we are in Chicago, with Lake Michigan water, that's as good as bottled water.


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#5 Jay Guard

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Posted 24 March 2017 - 08:47 PM

Brian:

 

The brushes are already radiused. The thing is that they are turned 90 degrees from what you would expect; why, nobody seems to know.

 

I believe that Tim Homola is already looking into this.


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#6 Jason Holmes

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Posted 24 March 2017 - 09:37 PM

Man, are we spoiled for 13 bucks we get a motor that runs pretty good and lasts a long time and we still want more...  my my LOL.
 
Jason
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#7 MSwiss

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Posted 24 March 2017 - 09:54 PM

Yeah, Jason,

 

I guess long gone are the days when we were happy if the relays went on, and the lap counter worked on all eight lanes. LOL.


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Mike Swiss
IRRA® Components Committee Chairman
Five-time USRA National Champion (two G7, one G27, two G7 Senior)
Two-time G7 World Champion (1988, 1990), eight G7 main appearances
Eight-time G7 King track single lap world record holder

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#8 Jay Guard

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Posted 24 March 2017 - 10:15 PM

Mike:

I remember those days well. I love the sound of the old American Raceways electro-mechanical lap counter ticking over (or not, :angry: ) the laps.
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#9 Brian Cochrane

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Posted 25 March 2017 - 02:18 AM

I have no problems with the motor and the speeds they run. As a matter of fact I have some of the fastest stuff in my area. I spend whatever it costs to go fast.

 

I've been racing since 1965. I have many other things in life I do and enjoy. I use my time for things I enjoy correctly. I buy and break in 8 to 20 motors a week for me and others.

 

And all of my cars are scratchbuilt by me with no kits and that takes hours to cut and trim all the parts...


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#10 JK Products

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Posted 25 March 2017 - 09:07 AM

Guys,

 

I am working on this. Can't make any promises yet.

 

One of the big topics on my upcoming trip to China. 


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#11 Ramcatlarry

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Posted 25 March 2017 - 01:27 PM

I recall breaking in earlier Falcon 2 - 5 series motors with much softer brushes. 30 seconds under water and sometimes all the brush was gone and the motor may have been good for only one good race. Brush formulation can be very tricky... I have no problem with a reasonably long life brush. Maybe the 90 degree arcing can be eliminated and the flat surface will work better.

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#12 gotboostedvr6

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Posted 25 March 2017 - 01:52 PM

The brushes are angled that way to ensure 100% inital startup on every motor. 


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#13 Eddie Fleming

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Posted 25 March 2017 - 03:04 PM

Interesting!
 
First time I have seen that theory.
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#14 gc4895

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Posted 25 March 2017 - 09:30 PM

Really cool that the brushes are at 90 degrees from correct. I guess that explains a lot of complicated break-in technology. It's a tribute to to serious racers that these issues are resolved.

Honestly, I always avoided taped motors or other "sealed" motor crap not because I was a cheater. I just had no interest in the sealed motor nonsense.

 

In retrospect, it must be obvious to all that the good racers win and the cheaters are known.


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#15 Brian Cochrane

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Posted 26 March 2017 - 08:10 AM

Me and my best friend Chubby are always looking for the best solutions to get our and customers slot cars to be the fastest they can be in the least amount of time. We take a supplier's product and try and get the max out of it. If the parts we use make the fastest cars, that's what we want to achieve. We only want to reduce the time it takes to do that.

 

A happy customer is a customer for life... And without customers and racers, there will be no more slot cars...


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#16 Samiam

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Posted 26 March 2017 - 08:21 AM

Brian,

 

I thought I was your best friend. :friends:


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#17 Jason Holmes

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Posted 26 March 2017 - 03:32 PM

Brian,

 

I understand what you are saying but as a racer and a builder I want a motor that will last and this one does with a little work.

 

Now as a shop if you want it fast and easy to break-in use the Falcon 7. They are fast, just don't last as long and you will sell more LOL.

 

Jason

 

PS: Tim, please don't change the brushes they are fine just as they are.


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#18 Guy Spaulding

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Posted 26 March 2017 - 08:55 PM

Use the same brush, rotate it 90 degrees, and it will break in faster and potentially last longer than the present motor, given no other performance changes.

#19 Bill from NH

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Posted 26 March 2017 - 09:24 PM

If you rotate the brushes 90 degrees, does it distress the brush arms any?


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I heard they weren't going to make yardsticks any longer.


#20 tonyp

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Posted 26 March 2017 - 09:37 PM

The brushes have rectangular tabes that fit into holes in the arm. They can only fit one way. To change the orientation of the brush, you would have to tool either a new brush or new arms. $$$
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#21 Guy Spaulding

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Posted 26 March 2017 - 10:32 PM

Well, lets see what Tim comes up with. At least we have a warm fuzzy that he's on our side :)
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#22 JK Products

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Posted 27 March 2017 - 06:55 AM

Tony's right but I'm going to try. 


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#23 havlicek

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Posted 27 March 2017 - 07:16 AM

The way the brushes are, they have two contact patches initially that get wider over time until they eventually connect and form one wide one. It does seem counterintuitive, and very well may be that they have simply been used because they had the tooling set up and the motors worked fine when tested.  

The way I see it, why does it even matter? The motors work fine and are inexpensive!


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#24 gotboostedvr6

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Posted 27 March 2017 - 07:19 AM

If the brushes are rotated and are misaligned a bit we are gonna regret asking for this change.
Freedom is never more than one generation away from extinction. We didn't pass it to our children in the bloodstream. It must be fought for, protected, and handed on for them to do the same, or one day we will spend our sunset years telling our children and our children's children what it was once like in the United States where men were free. - Ronald Regan #40 (1911 - 2004)

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#25 Eddie Fleming

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Posted 27 March 2017 - 08:05 AM

If you look at a new motor they are misaligned now. With the movement of the spring arms the alignment will change over the life of the brush. I think rotating the brush currently used would give much more comm segment overlap, with whatever that brings.

I think I will just let Tim and the manufacturers sort it out.
Eddie Fleming





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