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The mighty Kemtron...


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#51 Rick

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Posted 03 July 2011 - 12:44 PM

WTG Rick, that thing is bueatimus.............Can't wait to see the Bazoo????s
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#52 Prof. Fate

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Posted 03 July 2011 - 01:06 PM

Hi

One of my survivors from the early 60s is a 704, pan chassis 450 spyder version of the car. In the day, because it was BIG, bigger than the contemporary things we had like the Maserati 300s and the birdcage, we called it "le Monstre".

Grin.

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#53 dc-65x

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Posted 04 July 2011 - 11:34 AM

I finished up my bazooms :shok: ........I mean Bazookas :unsure: .........OK, exhaust pipes:

Posted Image

I used two 1/16" aluminum rods going into the "big thing" (expansion chamber or muffler??) which is a piece of 5/32" tube stuffed into a 3/16" tube. The bottom item in the picture is the finished gizmo:

Posted Image

The final side exhaust pipe is 1/8" tube with a little bend at the end. The black plastic sheet fits inside a cut-out in the side of the body and will be taped in place:

Posted Image

Those darn things took me a full Saturday to figure out and finish. Man, I'm old AND slow :laugh2: .

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#54 Tex

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Posted 04 July 2011 - 12:03 PM

Man, those are COOL! It looks like you threw a little heat onto both ends to give it that "hot" patina, no?
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#55 Jairus

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Posted 04 July 2011 - 12:16 PM

I think that is just a reflection Tex... but a lot of modelers do just that with Tamiya candy clears and an airbrush! ;)

Nice clean work Rick... what do they look like mocked up in the body?

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#56 Champion 507

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Posted 04 July 2011 - 12:43 PM

Rick,

This is one killer build. You got me wanting to do something with my one 6v. Kemtron.

And you tossed in some B-17 nose art too...yummy!
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#57 HarV Wallbanger III

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Posted 04 July 2011 - 02:00 PM

Man, those are COOL! It looks like you threw a little heat onto both ends to give it that "hot" patina, no?


Hey Tex he just wired them to his Harley pipes for about 10 min at 70mph! :laugh2: BeUtiFuL dude!;)

Barney Poynor
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#58 dc-65x

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Posted 04 July 2011 - 06:18 PM

Yup, Jairus is right. It's just a reflection on the highly polished aluminum. I hope the pipes will look good on the car...we'll see.

I made another doodad. It's a facsimile of a Monza or racing quick fill gas cap. The old magazines show making them by soldering together sheet metal screws and straight pins like so:

Posted Image

Here are the parts and my finished doodad. Please remember it's not supposed to look like an exact replica from a modern model kit or aftermarket aluminum part. It's what we did with what we had in the 60's and that's the look I'm going for with this car:

Posted Image

I also took some laps on my home track with the Mighty Kemtron:

Posted Image

So far, so good :). It spun the German tires all the way down the straight. I tried some Paul from Canada Urethane tires and the car really hooked up. It has more punch AND brakes than my Pittman 705/706. It is geared a little lower at 4:1 so maybe that's the reason it's faster on my small home track. Can't wait to try her on Eddie's Blue King..... :D

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#59 Alchemist

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Posted 04 July 2011 - 07:20 PM

Phenomenal build Rick!!! Really amazing work! It's always a pleasure to view your craftsmanship and builds.

Thank you for sharing.

Ernie
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#60 Régis4446

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Posted 05 July 2011 - 11:46 AM

:good: I learn a lot watching your pictures

Thank you
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#61 dc-65x

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Posted 05 July 2011 - 09:19 PM

:good: I learn a lot watching your pictures

Thank you


And I from you sir :) . Thank YOU.

In case you guys haven't seen Régis beautiful work. Here is a picture of one of his beauties (photos courtesy of Régis Baron) :

Posted Image

Posted Image

Do a search on Régis4446 to find all his beautiful cars.

Thank you too Ernie! I look forward to seeing you next time at Eddies ;) .

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#62 dc-65x

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Posted 09 July 2011 - 11:11 AM

Rodney emailed me pictures of his "Mighty Kemtron Challenge" car and it's a beauty. Here are the specs on his car:

Mighty Fury Mk 1 five-pole balanced motor.
Resin 1958 Ferrari body painted by the late Douglas Haynes
Mag frame chassis
K&B inserts with A.J.s rears and K&B fronts.


The motor is a new one on me... unsure.gif .... a Fury Mark 1 blink.gif :

r1.jpg

I'll get some more pictures of this motor when go to Eddie's next. I can see there are extra "spacers" between the end-plates and the lamination stack so the arm is probably longer that a KTM or Kemtron.

Here are the rest of his pics:

r2.jpg

r3.jpg

r4.jpg

r5.jpg

r6.jpg

r7.jpg

Nice car, Rodney! wub.gif

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#63 dc-65x

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Posted 16 July 2011 - 03:29 PM

Look on this link. It contains a picture of Shelby's Maserati 450S and looks like your body to me.

 
Thanks, Brad smile.gif . And thanks, Marty, for all the picture links you PM'd me wink.gif . Here's the picture Brad's talking about:

d1.jpg

This looks close to me so I started to paint with a little help from MGD wink.gif. The body is sanded inside with a Scotch-Brite pad and washed with lemon dish soap. The paints are Testors flat red and flat aluminum model paint:

KemtronX503Wasp-052.jpg

A few sips later I have a big red body with a big mistake I won't notice until much later angry.gif :

KemtronX503Wasp-053.jpg

Anyhow, the more I looked at that massive expanse of red the more I didn't like it. I felt it needed some big white meat balls to break up all that red bodywork. So, to make ME happy I decided to go with a modern livery used by this rich guy:

maserati450sdcnchobhammr5.jpg

I love this picture. I don't know how this guy got his money but he sure knows how to spend it :laugh2: . There he is balls to the wall at full tilt boogie in his 450S. Note the rear end squatting down, the front end lift and the heat discoloration on the pipes. Yup, this guy knows how to have a good time!

So, here's my little toy version of the cool rich guy’s big toy:

KemtronX503Wasp-061.jpg

I wish I could detail paint like the modeling masters you see on the blog but I still haven't found a paint brush that doesn't shake blink.gif . I wonder where they get them unsure.gif .

KemtronX503Wasp-060.jpg

KemtronX503Wasp-056.jpg

KemtronX503Wasp-065.jpg

I like the bazooka pipes. I think they help make the big body not look so tall:

KemtronX503Wasp-067.jpg

The driver is from a 1950s Strombecker 1/24 scale motorized model kit. He looks a little small to me but he's period "korrect".

See my big boo-boo? When I masked the window for painting I went on the wrong side of the window fasteners :shok: . What an ijiot! :laugh2:

KemtronX503Wasp-071.jpg

I went around the outside of the window with some red R/C stripping tape instead of trying to repaint the inside of the body. I could see the red and silver paint bleeding together and ruining the body... oh well.  :unknw:

I decided to leave the cockpit open like I've seen in the earliest slot car magazines. The driver is mounted to the body by a piece of 1/64" x 1/4" brass strip:

KemtronX503Wasp-051.jpg

Time to get to Eddie's and see this baby "move".

KemtronX503Wasp-075.jpg

Onward...


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#64 HarV Wallbanger III

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Posted 16 July 2011 - 03:35 PM

Very beautiful! I want to know how it runs!

Barney Poynor
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Hello my name is Barney and I was... I am addicted to glue, magnets, and wings... I have been clean and sober years now... NOW I'm hooked on 1/32 club track racing! Dang!
 

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#65 vfr750

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Posted 16 July 2011 - 04:50 PM

I really like the way you've mounted the driver. I might just have to steal that idea. biggrin.gif

Cheers,

John


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#66 dc-65x

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Posted 16 July 2011 - 06:33 PM

I want to see it run too, Barney. I'm worried I geared it a little "short" for the King... we'll see.

The driver mount works pretty good, John; give it a try smile.gif .


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#67 Pete L.

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Posted 16 July 2011 - 07:19 PM

Tremendous!!!


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#68 Hworth08

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Posted 16 July 2011 - 07:43 PM

A real beaut!!

Mistake around the window fasteners? I just thought the fasteners were backing out when the car was at speed. Some 200 MPH tape! :)
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#69 Régis4446

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Posted 22 July 2011 - 01:14 PM

:good: Great job, and thank you for the explanations.


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#70 dc-65x

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Posted 24 July 2011 - 07:52 PM

Thank for all the suppor, guys. smile.gif


Very beautiful! I want to know how it runs!


Track Test Report:

The handling is very stable and fun to drive. It's smooth as glass.

It has more brakes than I can use. It's the first vintage car I can dial the brakes back on my controller.

But, it peaks out too early on the straight, as I feared. I believe I've geared it too short at 4.2:1.

The lap times were in the 8.3s on Eddie's blue King. That's only as fast as my Pittman 705/6 averages (I've had one balls to the wall lap of 7.89 with the 705/6).

If I keep the same total number of teeth (adding the spur and pinion together) I can mess with the gear ratio and not have to change the rear axle to motor spacing. So, I've gone from 4.2:1 to 3.5:1.

The Mighty Kemtron just HAS to be faster than my Pittman... I hope!

Onward...

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#71 Tex

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Posted 24 July 2011 - 08:37 PM

Schweet!
Richard L. Hofer

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#72 HarV Wallbanger III

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Posted 24 July 2011 - 09:20 PM

I'm sure, Rick, it will be at 3.5: 1!


Barney Poynor
"BRONCO" BARNEY
Team CORT!

Hello my name is Barney and I was... I am addicted to glue, magnets, and wings... I have been clean and sober years now... NOW I'm hooked on 1/32 club track racing! Dang!
 

"Even if you're on the Right Track, you'll get run over if you just sit there!"

If you remember
screw-on braid, motors that look like padlocks, that dang fuse wire in Cox controllers, "hand" painted bodies, the very first can motors from Mabuchi, and the smell of wintergreen then you are OLD!... like me!

Enjoy life! Race Slot Cars and read SlotBlog!


#73 Jairus

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Posted 25 July 2011 - 09:27 AM

That is just beautiful, Rick! Another nice addition to the stable.


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#74 Edo

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Posted 25 July 2011 - 09:35 AM

Captain, you should've made two of them!
:wub:
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#75 The Bugman

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Posted 25 July 2011 - 09:40 AM

The Mighty Kemtron just HAS to be faster than my Pittman... I hope!


Only on a drag strip with 36 volts will that Kemtron outrun a Pittman. Try a Pittman 65X (3 volt arm) motor next, if ya wanna "padlock motor" that hauls the mail.
 
wink.gif
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#76 dc-65x

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Posted 25 July 2011 - 11:57 AM

Thanks, guys! smile.gif


Only on a drag strip with 36 volts will that Kemtron outrun a Pittman. Try a Pittman 65X (3 volt arm) motor next, if ya wanna "padlock motor" that hauls the mail.

Hi Oscar,

I'm working on a DC-65 powered car now. The lowest voltage arm I've found so far is 6 volts, so that's what I'm using.

But, you'll see unsure.gif . The Might Kemtron with the new gearing will "haul the beans" and get the Pittman 705/6... MAYBE! :laugh2: .


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#77 endbelldrive

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Posted 25 July 2011 - 12:15 PM

Captain, you should've made two of them!


... or three! :man_in_love:
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#78 The Bugman

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Posted 25 July 2011 - 01:54 PM

Rick,

I'm raggin on ya a bit, beautiful build.

In the ORIGINAL OLD days when I first started racing ('60-63) the Pittmans and various other padlock or inline 5-7 pole motors were the "stuff", with those type of chassis that youve built, I had many Pittmans - 196B, 65A&B, and 704-5-6. A lot of the guys where I played/raced as a kid (Western Speedway/Model Raceway, Gardena CA) used these until the Russkit appeared...

Pittmans were always faster than Kemtrons in road racing... wink.gif
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#79 boxerdog

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Posted 26 July 2011 - 09:00 AM

I think the taller gear will help it considerably... it should go at least as fast as the Pittman 706 IMO.

Beautiful job, Rick!
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#80 don.siegel

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Posted 30 August 2014 - 03:18 AM

Hey Rick, did you ever change the gear ratio? Did it outrun the Pittman? 

 

I'm surprised too - have always seen the lower voltage Kemtrons as definitely faster than the Pittman 706... and the Ram XL-500 may be a bit faster yet... 

 

Every time you refer to one of your old builds I wind up reading the whole thing again, and once again admiring the heck out of your work. For a guy who says he doesn't like painting, you sure know how to give your cars "the look"! 

 

Don 



#81 dc-65x

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Posted 30 August 2014 - 10:22 AM

Hi Don,

Yes, I did change to a 3.5:1 gearing and it did outrun the Pittman. On Eddie's blue King I think 3:1 might even be better. For my home track I'm going to leave it where it is.
 

... and the Ram XL-500 may be a bit faster yet...


I think so too, Don. The XL500 motor below really buzzes up!  :D
 

The finished motor:

ramxl500motor023.jpg

ramxl500motor024.jpg

ramxl500motor022.jpg

Now, what in the heck am I going to put it in? biggrin.gif

Onward!


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There's much more to come...






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