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Ever raced a Bonner motor?


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#1 Marco Carvalho

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Posted 06 September 2019 - 05:45 PM

It was a pretty popular motor in the sixties.

 

70717119_384213468931605_8917634708284637184_n.jpg


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#2 gotboostedvr6

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Posted 06 September 2019 - 07:01 PM

No, but I still wake up with...  oh, nevermind.


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#3 SpeedyNH

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Posted 06 September 2019 - 07:17 PM

I did, in early '60s, as said above.

 

IIRC, they were the hot setup for maybe six months. I kinda liked 'em, but then the Mabuchis quickly left them in the dust.


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#4 dc-65x

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Posted 06 September 2019 - 07:35 PM

Sure did, Marco, and I still have a couple running:
 

This is really about the dawn of time for my scratchbuilding slot cars and my interest in real cars, 1964. In slot cars I have a soft spot for an early motor called the Bonner:

ZerexSpecial-016.jpg

For real cars I've always loved one of Roger Penske's first unfair advantages, the Zerex Special:

ZerexSpecial-012.jpg

When I found this body (possibly a Pactra) on epay I went for it:

ZerexSpecial-004.jpg

I followed this Bob Braverman "Hop Up" article in Rod and Custom magazine to modify the motor:

RCModels10-64pg1aa.jpg

I built up a space frame chassis from brass tube:

ZerexSpecial020.jpg

Added these goodies:

ZerexSpecial-007.jpg

And ended up with this really swoopy old car:

ZerexSpecial034.jpg

ZerexSpecial025.jpg

ZerexSpecial027.jpg

I've posted the entire R&C magazine article, more pictures of the real car and dozens of pictures of the slot car build-up on Steve Okeefe's cool website.

Here's the link:

"Dawn Of Time"


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Check out Steve Okeefe's great web site at its new home here at Slotblog:
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There's much more to come...


#5 Cheater

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Posted 06 September 2019 - 10:54 PM

I don't think the link at the bottom of the quote still works, but the article should be able to be found at Slotblog, since Steve's website is now embedded here.


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#6 boxerdog

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Posted 06 September 2019 - 11:49 PM

One of my first "hot" motors...


David Cummerow

#7 Tim Wilkins

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Posted 07 September 2019 - 01:43 AM

For sale on Ebay

https://www.ebay.com...fcAAOSwva9c~BoW

 


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#8 don.siegel

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Posted 07 September 2019 - 04:02 AM

They were already pretty obsolete by the time I really started racing, in '65-66, but I was always fascinated by them, and have picked up a few over the years. 

 

A couple of 1/32 cars seem to run pretty decently, but I built a copy of a Braverman 250 GTO from R&C, and just can't get any power out of the couple Bonners I've put in there - had one of them rezapped too, but it didn't seem to make any difference! 

 

Don 

 

Braverman%20GTO-6_zpstpw0s643.jpg

 

Braverman%20GTO-3_zpsbketuyui.jpg


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#9 don.siegel

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Posted 07 September 2019 - 04:13 AM

And the found/restored 1/32 cars... (I added the Mercedes GP body to a found chassis). The Cunninham has an equivalent British motor, the K's Mk 1 I believe... 

 

Don 

 

Porsche%20Mercedes%20GP%20Cunningham%201

 

Porsche%20Bonner%20bottom_zpschazdkzd.jp

 

Mercedes%20GP%20Bonner%20bottom_zpsmkqdv

 

Mercedes%20GP%20Bonner%20chassis_zpsvdjw

 

Cunningham%20Ks_zpsrv5pmnwu.jpg

 

Cunningham%20Ks%20chassis_zpsly46pfyk.jp


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#10 dc-65x

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Posted 07 September 2019 - 10:39 AM

Hi Don,

There's a "Korrect" way to zap a Bonner that is shown in this post from Steve Okeefe. I zap each magnet individually in this orientation and the motors come alive:
 

Mike,

Here's the drawing I sent Rick some time back. This illustrates the correct way to zap Bonner motor magnets:

post-11-0-74323900-1376070148.jpg

Because we are so familiar with can motors there is a stong tendency to zap as the RED arrow shows. This won't actually hurt the motor, but the motor won't run at all (ask Rick). :shok:

Zap as the BLUE arrow shows and you will have motor happiness... :good:

The difference in magnet orientation between the Bonner and a can motor (such as Mabuchi) is exactly the same as the difference in brush orientation between the Pittman DC-196 and DC-196A/B. In each case, the magnet/brush orientation in one motor is rotated 90 degrees compared to the other.

 

I hope this helps get your Bonner's back on track. :)


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Check out Steve Okeefe's great web site at its new home here at Slotblog:
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#11 Steve Deiters

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Posted 07 September 2019 - 11:00 AM

Not familiar with these motors at all.  Were they originally developed for use in model railroads?



#12 Ramcatlarry

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Posted 07 September 2019 - 11:16 AM

I recall they were used in very early radio control servo controls - 3 - 6 VDC.

 

I built two (1/32) in the early days.  One was rear drive and steering and the other was a 4 wheel drive. Both with Braverman 'glass bodies and brass bevel gears.  My dad had made a small sheet metal brake for making custom gas tanks for the U-control Rat Racers.  I used it to bend two simple aluminum frames U shaped to hold the axle and screw the motor and guide assembies.  The 4-wheel drive used a nylon pin guide so that all weight was on all four wheels.  Neither car has survived that I know of.


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#13 dc-65x

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Posted 07 September 2019 - 11:18 AM

Steve, I've heard that the Bonner was used in radio controlled airplanes as servo motors??? Could be a modern myth though. :unknw:


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#14 don.siegel

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Posted 07 September 2019 - 04:12 PM

Yes, they were originally 4-1/2V servo motors. Because of the voltage rating, they were the "hot thing" in Midwest slots back in 62-63 I believe, and maybe even a bit into 1964, until the DC196 came along. Because they heated up, they were often modified as shown on the one in Rick's build. 

 

Rick, I did find that diagram and showed it to John Secchi, who's a member here and has a big zapper, but I don't think we zapped each of the magnets, just on the poles in the direction indicated... next time I see him with the zapper, I'll try your method. 

 

Don 



#15 idare2bdul

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Posted 07 September 2019 - 11:53 PM

I bought one on Ebay because unmodified it was the worst motor I ever bought. I have a chassis for it and must decide the fate of a body to use .


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