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#151 dc-65x

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Posted 18 February 2020 - 04:59 PM

Here's another one of Rodney's amazing builds in his own words:
 

1966-67 was the beginning of the "lower and wider" generation of slot cars.  They were lower and wider than their full size counterparts for better handling.  This Dynamic "Handling Body" McLaren Mk2 is representative of one of the first low and wide slot car bodies.
 
With the lower bodies, smaller diameter wheels and tires are used.  This car has blue-colored sponge rubber rear tires.  The dye color affects the hardness of the sponge rubber.  Blue tires are stiffer than black tires, for example.  So slot car handling could be tuned with the choice of tire color/hardness of the rubber.  The wheels are Riggen.
 
The chassis is my representation of a scale space frame chassis with working suspension.  I got the idea to build this one after seeing a full size McLaren Elva at a local race shop with most of the body panels removed.  The rear suspension is basically a four link set up with coil over shocks.
 
All components on the car are from around 1966-67.  A Mura/Mabuchi-based motor (made locally in San Leandro back in the day) powers the car.
 
The car handles great, and there is no rear axle hop.
 
Rodney
 
McLaren Mk3 (1).jpg
 
McLaren Mk3 (2).jpg
 
McLaren Mk3 (3).jpg
 
McLaren Mk3 (4).jpg
 
McLaren Mk3 (5).jpg
 
McLaren Mk3 (6).jpg
 
That's an amazing car. Thanks for sharing Rodney! :D

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#152 TSR

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Posted 21 February 2020 - 08:19 PM

Nice chassis, cool design. Just to make sure, the Dynamic McLaren body on it was first produced in mid 1968 according to my Dynamic catalogue listing. Is it possible that Rodney updated the car at that time?


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#153 Dave Crevie

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Posted 22 February 2020 - 09:46 AM

Dok; You would be the one to answer this. I seem to remember from my trips to LA that the west coast often got new items before they appeared in the

manufacturers catalogs. Before I went totally scratch built during the early summer of '65, I used a lot of Dynamics components, and if I remember correctly, (debatable!), the rear chassis section to fit the Ruskit 22 was in the track inventory before it appeared in the next catalog. I built a car using that frame while I was out there, and when I brought it back to the Chicago area, guys complained that it was not legal because it had not been released yet. This thread brought back that memory. I can't swear to the timeline, but I'm pretty sure about the incident. 



#154 don.siegel

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Posted 22 February 2020 - 10:53 AM

The first Dynamic handling bodies were advertised in mid-67, so may have come out a bit earlier than that - and 67 seems more like a "lower and wider" timeline than 66, at least for the pro style cars. Of course, some guys were already doing lower and wider right from the beginning. 

 

That's a beautiful and very intriguing chassis Rodney, and thanks to Rick for posting. I can't quite tell how the suspension works in back, ie, what exactly pivots and where? Seems like a solid axle in any case, so does it just pivot around the motor center line? In any case, those "shocks" really look the business! I've been thinking about doing something like this, so am looking for a nice, simple design to copy... 

 

Keep em coming guys! 

 

Don 



#155 dc-65x

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Posted 22 February 2020 - 11:15 AM

Rodney replied:

 

Rick,
 
As we discussed, Dynamic labeled these McLarens as Mk3.  The part number on the box is 1508.
 
Regarding Phillippe's comment, the Dynamic Mclaren MK3 body was run by Team Dynamic in the first MC&S/U.S.R.A. race February 24th, 1968.  I still think I got my hands on mine in 1967.  The ones I have differ from the ones Team Dynamic used in the race.  The ones used in the race have different carburetor intakes and a slightly flatter look.  My slot car has an earlier version of this body with a provision for an inline gear cutout (No cut out appears on the Team Dynamic version).  Mine has the side-draft Webers (like the Lola T70) and the Team cars had down draft intakes.  Not that it matters.  I was in junior high in '67.  I think of 1968 being the time of the anglewinder revolution 
 
Thanks,
Rodney
 
(A picture of the Team Dynamic car can be found in Model Car and Track magazine May 1968 page 57)

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#156 Dave Crevie

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Posted 22 February 2020 - 12:28 PM

A fellow racer at Chicagoland gave me a motor bracket (thanks, Andy) that has the bushings in oval holes, and springs that allow them

to travel up and down. I intend to use that in a mid-sixties style F-1 car, with full suspension and steering. Might be a bit ambitious, but

I'm retired and trying to make my days a little more interesting.  


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#157 dc-65x

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Posted 22 February 2020 - 12:42 PM

Rodney replies:

 

Rick,
 
The rear suspension is based on a drag race car 4 link solid axle set up.  Basically two links per side to locate the solid axle and coil over shocks to keep the axle suspended.
 
Don is right about the low and wide history.  We were cutting downthe sides of scale bodies in 1966.  

We ran the Dynamic Chaparral 2F and the Dynamic Mirage and of course the Harvey Aluminum Dynamic body  in 1967.
 
Rodney

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#158 TSR

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Posted 26 February 2020 - 09:20 PM

 

Before I went totally scratch built during the early summer of '65, I used a lot of Dynamics components, and if I remember correctly, (debatable!), the rear chassis section to fit the Ruskit 22 was in the track inventory before it appeared in the next catalog. I built a car using that frame while I was out there, and when I brought it back to the Chicago area, guys complained that it was not legal because it had not been released yet. This thread brought back that memory. I can't swear to the timeline, but I'm pretty sure about the incident.


That's pretty radical when you had bought this in a store... talk about a case of slotty discrimination!  :)
 

 

A fellow racer at Chicagoland gave me a motor bracket (thanks, Andy) that has the bushings in oval holes, and springs that allow them

to travel up and down. I intend to use that in a mid-sixties style F-1 car, with full suspension and steering. Might be a bit ambitious, but

I'm retired and trying to make my days a little more interesting.

I think that those were produced by K&N or even Du-Bro, but I will have to verify that. They worked OK, but affect the gear mesh, so beware. Use 48 pitch gears, because a 64 pitch crown may not survive too much movement.



 


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#159 Flathead

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Posted 27 February 2020 - 08:48 PM



I think that those were produced by K&N or even Du-Bro, but I will have to verify that. They worked OK, but affect the gear mesh, so beware. Use 48 pitch gears, because a 64 pitch crown may not survive too much movement.

I have a couple of rear brackets that fit the description, but they are Buzzco.
Lee
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#160 don.siegel

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Posted 28 February 2020 - 05:12 AM

I think they're DuBro, but will have to dig out my packages... wanted to try one of those as well! 

 

Don 



#161 Dave Crevie

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Posted 28 February 2020 - 12:52 PM

Thanks guys for investigating the source of the sprung motor bracket. I'm sure that once the car is built there will be people asking about it.

I'm sure it didn't work that well. If it did, we would all be using them.

 

There were a few things I picked up in the LA area before I saw them in the Midwest. In fact, there were a few that never made it here. I

remember that slot racing slowed down in the Chi-town area during the summer months, and it seemed that the tracks I went to let inventory

run down some until late summer. Just like skateboards took a while to catch on here, slot car items often didn't show up here for a month or

so after I saw them out there. It was why I would stock up when I was out there.  



#162 Flathead

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Posted 28 February 2020 - 03:45 PM

Don is correct. My memory must be fading.
IMG_7372.JPG
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#163 Dave Crevie

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Posted 29 February 2020 - 10:11 AM

Looks like it. Be nice to find another one for $1.49. I have a 1/32nd scale Lotus 30 body from AHP that is priced $ .49. Damn inflation!



#164 dc-65x

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Posted 15 March 2020 - 10:52 AM

A new and more contemporary project was sent to me by Rodney:

 

Rick,
 
As we discussed, an interesting slot car body came out late last year.  Ralph Thorne Racing is producing McKee Can Am car bodies in 1/24th scale.
 
I decided to build one.
 
First about the real car:
 
1584222144257blob.jpg
 
During the mid 60's and early 70's there was a "Formula Libre" sports car series with very few rules.  This series was called Can Am.
 
One car built to push the envelope was the 1969 McKee Mk 14.  This car was sponsored by Armco and featured the following:
 
Twin turbo factory/Gene Crowe Oldsmobile 455 cu inch engine
 
1584222207432blob.jpg
 
All wheel drive
Stainless steel components
Automatic transmission
Active aerodynamics
 
The car did not compete in any races.  The car was very complex and needed much sorting and development.  Also Chevy did not like Oldsmobile competing against them in Can Am racing.
 
The Slot Car:
 
Ralphe Thorne Racing produces the clear bodies in .010" Lexan.  Crisp detail.  They are made for retro-racing where rear tire sizes are about .8" diameter.  I wanted a more scale look and am using 1.2" diameter rear tires.  The body was cut "tall" for the large diameter tire.
 
1584224446434blob.jpg
 
The blue and white color scheme follows the colors of earlier McKee Can Am cars.
 
1584222261809blob.jpg
 
Champion chassis with raised axle tube installed.  Motor is a C-can 16D American armature motor.  Faas spur gear with a Sonic pinion gear.  Gear ratio is 5 to 1.  New fish foam rear tires are mounted on Pro Track wheels.
 
1584224593691blob.jpg
 
1584224527880blob.jpg
 
1584224429333blob.jpg
 
Very cool Rodney and a wild looking car. Thanks for sharing it with us.  :) 
 
Rodney

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#165 TSR

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Posted 15 March 2020 - 01:02 PM

Nice job. The late Gene Crowe, who developed the twin-turbo Olds engine for Ralph Salyer, was my engine mechanic when we ran the Cooper-Climax Indy car in the early 1990s. He was also the man behind the development and racing of the Bob Sharp Racing, Paul Newman Nissans in their various forms. A nice, modest man, he unfortunately picked the nasty habit of smoking fags and that effectively, killed him at a fairly young age.


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#166 dc-65x

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Posted 31 March 2020 - 01:53 PM

Here's Rodney's latest build. He calls it his "fly by night" version. As you will see it's far from that. It's a solid "built to race" version and will be track tested soon.

 

Here's Rodney's description of his build:

 

Rick,

 

Your Slot Blog article on how to build a 1968 Bob Emott slot car chassis gave me the incentive to build an FBN (fly by night) version of this one.  I do not remember having built an early anglewinder chassis from scratch since the late '60s.  Thanks sharing your slot car build.

 

Rodney

 

Some building notes:

 

Printing out pictures of your build helped immensely.

 

I used the usual Dremel tool, pliers, diagonal cutters, and an Ungar soldering iron to construct this one.

 

Regarding the motor box, I was determined to only try making it once, and use it.  I did have to adjust it mid-build, hence the lazy bend on the tire side of the motor box.

 

I did not try to replicate the rail spacing offset of the original chassis.  Mine ended up with the offset by accident.

 

The vintage DYNA REWIND motor is A-can or 16D-sized.  Thanks to your research, it is period correct.  The endbell used by DYNA REWIND is a Mura with 16D  size motor brushes.

 

As you pointed out, most cars of this era were geared 7-34.  This car, like Jerry Brady's DYNA REWIND team car, is geared 8-34.

 

The build:

 

Center section on the jig.  Note the vintage Champion jig wheels. 

 

Emott - 7.png

 

Narrowing the Drop Arm with the Dremel cut off wheel:

 

Emott - 6.png

 

The pans were also Dremeled out:

 

Emott - 8.png

 

Finished chassis with reference photos by bench:

 

Emott - 9.png

 

The period survivor 16D size DYNA REWIND motor:

 

Emott - 4.png

 

The finished car ready for its body. I borrowed the Riggen wheels from another car.  The front wheels are a pair form the sets you drilled out to 1/8" axle hole:

 

Emott - 2.png

 

I ran a Crol Sal Olds body in an amateur race at Oakland Speedway in 1969 that is similar to this one. FBN International version.:

 

Emott - 1a.png

 

Emott - 5.png

 

Great build Rodney. Looking forward to the track test.  :good:


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#167 dc-65x

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Posted 01 April 2020 - 11:38 AM

Rodney added some finishing touches to his car with some period blue tires..........

 

1585701069370blob.jpg

 

...........Riggen wheels:

 

1585701007631blob.jpg

 

Nice!


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#168 dc-65x

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Posted 24 May 2020 - 01:16 PM

Another cool build from Rodney,

 

I finished the Porsche 908/2 slot car.  It's made with a wonderful custom made MESAC Porsche body.

 
I used flat enamel paint as suggested.  The paint works great. The decals are covered with clear acrylic.
 
Russkit set-screw wheels are used all around along with 7/8" diameter tires.  Rear tires are modern treated rubber.  Front tires are Cox Dunlaps.  Wheel inserts are cut down Academy McLaren wheels.
 
I built a 1971 style 4 rail chassis with a wheelbase of around 3.7"  The chassis is 3" wide.
 
A Mura NCC 20 powers the car.  A Cox 34 tooth spur gear is used along with a 7 tooth brass pinion gear.
 
Rodney Porsche 908 (8).jpg
 
Rodney Porsche 908 (7).jpg
 
Rodney Porsche 908 (6).jpg
 
Rodney Porsche 908 (5).jpg
 
Rodney Porsche 908 (4).jpg
 
Rodney Porsche 908 (3).jpg
 
Rodney Porsche 908 (2).jpg
 
Rodney Porsche 908 (1).jpg
 
Great build Rodney. Thanks for sharing it.   :)

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#169 dc-65x

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Posted 30 July 2020 - 03:44 PM

Rodney emailed me this project I want to share:

 

Rick,

 

Here is a slot car model of  a 1959 Dodge Royal Lancer Stock Car.  The real car ran in 1960 Daytona 500.  The body colors are correct on the model

 
The body started out as a resin promo model and was painted and detailed by Todd Brannon.
 
I hand painted the red number 54s ( decal numbers did not look good).  Decals are Cady, ACE and Powerslide.  Acrylic clear applied.
 
I found a rear window that fit the body.  The front window currently installed is a piece of sheet clear plastic.  I ordered a JoHan windshield to replace the sheet one.
 
I made the interior out of sheet styrene plastic.  A 1959 Dodge dash was added along with a roll cage made out of round styrene tubing.
 
The resin body was thinned out and then completely coated with high build acrylic resin on the inside to add strength.
 
The running gear is rare mid '60s Tamiya stock car that features a Mabuchi 26D motor.  The wheels and inserts are original Tamiya.  Rear tires are Professor Motor brand,  Chassis has rear coil spring suspension.
 
Still have exhaust detail to install.
 
Take Care,
 
Rodney
 
1959 Dodge Stock Car (1).jpg
 
1959 Dodge Stock Car (2).jpg
 
1959 Dodge Stock Car (3).jpg
 
1959 Dodge Stock Car (4).jpg
 
1959 Dodge Stock Car (5).jpg
 
1959 Dodge Stock Car (6).jpg
 
1959 Dodge Stock Car (7).jpg
 
Great car Rodney, thanks for sharing it with us.
 
 

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