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Parma/Difalco handle protector


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#1 Phil Beukema

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Posted 24 May 2018 - 06:12 PM

Does anyone sell "metal" fingers that attach to the right side of a Parma handle on a Difalco Controller to help protect the wiper blade. It's totally exposed!

 

0524181609a.jpg


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#2 John Streisguth

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Posted 24 May 2018 - 06:17 PM

I've used these controllers for about seven years, never had a problem (now hooking up wrong... that's another story! LOL).

 

And you need to clean and lubricate the bands. I use Voodoo drops myself.. .so having access is important


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#3 Phil Beukema

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Posted 24 May 2018 - 06:22 PM

Tthe controller is new to me. I hate to ask what happens when I hook it up wrong. I don't see any fuses.....


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#4 Bill from NH

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Posted 24 May 2018 - 06:41 PM

At one time, Difalco used resetable circuit breakers. I don't know if he still does.


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#5 Half Fast

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Posted 24 May 2018 - 07:00 PM

Always hook up the red wire first to avoid catastrophe!
 
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#6 Eddie Fleming

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Posted 24 May 2018 - 07:19 PM

I've used these controllers for about seven years, never had a problem (now hooking up wrong... that's another story! LOL).

 

And you need to clean and lubricate the bands. I use Voodoo drops myself.. .so having access is important

I agree with most of that.

 

I have been using My Difalco for about Four years The movement across the bands gets a little rough at times. I just wipe my finger across the bands on the board and the natural oil from your skin makes it work smooth as can be. I have the habit of wiping my finger across the bands between heats in a race. It is not necessary all the time but it does not hurt. 


Eddie Fleming

#7 Racer36

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Posted 24 May 2018 - 08:04 PM

Better yet... wipe your finger on the side(not inside) of your nose, then on the bands. Smooth as can be. Bud Bartos calls it nose wax and it works!
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Dennis Dominey

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#8 gmpower

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Posted 24 May 2018 - 08:41 PM

Dennis you come up with some funny stuff!!!
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#9 Ramcatlarry

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Posted 24 May 2018 - 10:29 PM

Only the brake (red) line is fused with an auto-reset breaker.  Many racers like to add a changeable fues in the white power line to prevent damage.  All TRACKS should also have circuit breakers in the track wiring in the red and white circuits for EACH lane....but many do not.


Larry D. Kelley, MA
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#10 John Streisguth

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Posted 25 May 2018 - 06:22 AM

Tthe controller is new to me. I hate to ask what happens when I hook it up wrong. I don't see any fuses.....

Typically fries the transistor.  You then have full throttle, all the time.  Which reminds me...I need to send one of my two controllers for repair  LOL.

 

I always try to remember to double-check during a lane change.  Apparently I'm not so smart during practice....


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#11 zipper

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Posted 25 May 2018 - 06:59 AM

Might depend on the brake setting - I've done it several times, nothing fried so far (fingers crossed).
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#12 Phil Beukema

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Posted 25 May 2018 - 11:55 AM

Jim Difalco says

 

           "The controller is fused in various ways to protect it. But if you are driving the car and the controller is not behaving normally you                       should stop and see what may be wrong. Body pins can short across the lane, track braid can come loose etc.

 

          Just pay attention and you will be fine".

 

                               Jim

 

I still don't see any fuses?


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#13 Slot-Racer

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Posted 25 May 2018 - 01:21 PM

Phil, Difalco have what is called a self-resetting fuse. It's the little square circuit on the heat sink. 

 

https://e-slotcar.co...ke-fuse-dd-835/

 

Will reset to normal operation after wrong hookup is corrected! Splices inline into brake line in handle on any brand controller. Also replaces DD827 10 amp fuse in our pro resistor controllers, Just solder between the fuse posts.

 

http://www.difalcoonline.com/Parts.htm


Mario Damis

#14 Slot-Racer

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Posted 25 May 2018 - 01:31 PM

I put silicone modified conformal coating on the (rear) 30 band board so if I ever reset the controller on a table that may have something conductive on it that it will not short out as it's TOTALLY exposed and has many areas of contacts on the resistor board. MG Chemicals makes this and it's specifically designed for electronics to protect against the elements, shorts, etc. I've been using it for years on R/C ESC's, motors, and all electronics in boats and planes.

 

https://www.amazon.c...nformal coating

 

As for the wiper, it's pretty flush with the board and it won't hurt being exposed. Actually it's good that it is cause you can get to it and replace and clean area's and adjust the tension if needed over time. I would be more concerned with the exposed pots and the resistor board!


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#15 Stan Chow

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Posted 25 May 2018 - 05:04 PM

New Parma handle. Leave it longer than the original to cover the wiper arm and button. You can still clean the board with a Q-tip.
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#16 Phil Beukema

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Posted 25 May 2018 - 05:12 PM

^^^^^ that's the new plan. It should have come like that.

 

Thanks


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#17 Phil Beukema

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Posted 25 May 2018 - 05:21 PM

Phil, Difalco have what is called a self-resetting fuse. It's the little square circuit on the heat sink. 

 

https://e-slotcar.co...ke-fuse-dd-835/

 

Will reset to normal operation after wrong hookup is corrected! Splices inline into brake line in handle on any brand controller. Also replaces DD827 10 amp fuse in our pro resistor controllers, Just solder between the fuse posts.

 

http://www.difalcoonline.com/Parts.htm

 

 

 

 

That's what I was looking for!

 

Thanks


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#18 drrufo

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Posted 25 May 2018 - 05:55 PM

If you want to replace the handle, take a look at the JK handle. It is larger for bigger hands and requires less cutting to fit any ciircuit board.

 

John Andersen


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#19 Phil Beukema

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Posted 25 May 2018 - 06:51 PM

If only I had a DR-40 Deluxe......


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#20 Ramcatlarry

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Posted 25 May 2018 - 10:01 PM

I like to use the squarer shaped Prof Motor handles - they allow more perimeter protection.


Larry D. Kelley, MA
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#21 Phil Beukema

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Posted 17 June 2018 - 09:16 PM

0617181856 (1).jpg

 

This new handle protects the wiper area better when it gets kicked around the track.

 

 


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#22 axman

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Posted 18 June 2018 - 02:32 PM

I've used these controllers for about seven years, never had a problem (now hooking up wrong... that's another story! LOL).

 

And you need to clean and lubricate the bands. I use Voodoo drops myself.. .so having access is important

John, I read somewhere Voodoo drops on circuits boards was a bad thing. Yep, I've done it on a scratchy day.. and it works but not sure of long term ramifications. Thanks Dennis nose wax trick... LOL.. cant wait to try it.... Sure it is'nt April fools day?


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#23 Jim Difalco

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Posted 17 August 2018 - 07:19 PM

Guys, stop overthinking. The handle "fingers" cover most of the rear of the circuit board and the knobs provide a natural barrier when the controller is laid down.

 

How many times does an object fall into your controller? I have never had it happen. I give access to the bands for the occasional "finger wipe" and for cleaning. Cleaning works much better when you wipe the dirt off the bands first with a little lighter fluid, apply a drop of thin braid juice, then wipe it across the bands with a tissue or paper towel. This leaves a thin film on the bands. Voodoo juice is fine.

 

The brake circuit AND the transistor outputs have auto reset fuses on them and have a reverse diode on the controller for additional protection.

 

Thanks

 

Jim Difalco

Difalco Design


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