Jump to content




Photo

Six gears, 8 ball bearings, and a Pittman 65-6v motor


52 replies to this topic

#1 dc-65x

dc-65x

    Grand Champion Poster

  • Subscriber
  • PipPipPipPipPipPipPipPip
  • 5,442 posts
  • Joined: 14-February 06
  • Gender:Male
  • Location:Captain Rick: The only vintage slot car nut in SW Oregon?

Posted 13 October 2019 - 05:58 PM

This is a project I've been wanting to do for quite a while.  :dance3:

 

Two sets of Tradeship 3.5:1 bevel gears, two 64P stainless steel Weldun spur gears, a pair of SKF 3/32" ball bearings, two pair of Boca 1/8" ball bearings and a nice new old stock Pittman DC65 6 volt motor:

 

Scarab MKIV (31).JPG

 

It's going to be a 4WD with a single motor and a drive shaft powering the front wheels. :crazy:  Here's my highly technical proof of concept:

 

Scarab MkIV (18).JPG

 

I'm going to make up a series of 4 "bulkheads" to mechanically align the motor and drive shaft and tie everything together in a space frame design.

 

Here's a space frame example, a Lotus 7 chassis:

 

Lotus 7 Chassis.jpg

 

Rather than tubular bulkheads I'll be making up sheet brass pieces along the lines of the old Russkit 22 motor brackets:

 

Russkit 22 bracket.jpg

 

The initial sketch of one of the motor bulkhead brackets:

 

Scarab MkIV (19).JPG

 

But first I need to get the Pittman DC 65 ready for the project. It needs to be disassembled and the end pieces drilled and tapped to mount to those brackets. I'll also be doing a 1960's style "hop-up" by adding ball bearings and epoxying and balancing the armature.........


  • Pappy, Jairus, slotbaker and 14 others like this

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





#2 Bill from NH

Bill from NH

    Age scrubs away speed!

  • Full Member
  • PipPipPipPipPipPipPipPip
  • 10,810 posts
  • Joined: 02-August 07
  • Gender:Male
  • Location:New Boston, NH

Posted 13 October 2019 - 07:15 PM

Rick are you building the original STP  Indy Turbine? Or a monster truck? :)


  • Alchemist likes this

Bill Fernald
 

I intend to live forever!  So far, so good.  :laugh2:  :laugh2: 


#3 Alchemist

Alchemist

    Checkered Flag in Hand

  • Full Member
  • PipPipPipPipPipPip
  • 1,768 posts
  • Joined: 11-November 09
  • Gender:Male
  • Location:Tiburon, CA

Posted 13 October 2019 - 08:13 PM

Hi Rick,

 

Hope all is well!

 

Glad to see you showcasing your new project - a technically challenging project at that!!

 

Looking forward to viewing the progress pictures.

 

Thank you for sharing!

 

Ernie


Ernie Layacan

#4 dc-65x

dc-65x

    Grand Champion Poster

  • Subscriber
  • PipPipPipPipPipPipPipPip
  • 5,442 posts
  • Joined: 14-February 06
  • Gender:Male
  • Location:Captain Rick: The only vintage slot car nut in SW Oregon?

Posted 13 October 2019 - 08:37 PM

Hi Ernie  :)

 

I'm not quite sure what body to use yet Bill. I want it to be from the 1965 or so time frame. It also needs to not have enormous wheel openings. It needs to look good with 15/16" diameter tires.

 

I don't want to angle the front of the motor down close to the track like I normally would with big diameter tires. I want to keep the driveshaft inline with both gears.


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


#5 dc-65x

dc-65x

    Grand Champion Poster

  • Subscriber
  • PipPipPipPipPipPipPipPip
  • 5,442 posts
  • Joined: 14-February 06
  • Gender:Male
  • Location:Captain Rick: The only vintage slot car nut in SW Oregon?

Posted 14 October 2019 - 11:04 AM

My good friend Rodney just emailed me about different gear arrangement that would allow the use of larger diameter tires and the motor to be lowered below the wheel centerline. Thanks Rodney. :)

 

If I moved the rear pinion gear off of the motor shaft and on to the drive shaft the motor can move up or down. The drive shaft and it's bevel gear sets are aligned with the wheel centerline and the motor drops down for a low center of gravity.

 

That's good to know because there are several later 1967 Lancer bodies with BIG wheel openings I'd like to use with a scale tire size 4WD.....maybe with a hot 26D motor.......... :wink2:

 

But for this build, it's already set in stone. The motor brackets for my initial gear arrangement are off the milling machine.........

 

Scarab MkIV (7).JPG

 

.............and ready to go:

 

Scarab MkIV (1).JPG

 

I was going to work on the motor first but I got wrapped up in the bracket design and went with it:

 

Scarab MkIV (2).JPG

 

Now, back to that motor..........


  • slotbaker, Jencar17, havlicek and 2 others like this

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


#6 Larry Horner

Larry Horner

    Rookie Keyboard Racer

  • Full Member
  • Pip
  • 36 posts
  • Joined: 18-March 17
  • Gender:Male
  • Location:San Francisco

Posted 14 October 2019 - 12:37 PM

Wow Rick, your craftsmanship never fails to amaze me! And just so you know, your Iso Grifo post from years ago is what started my own AWD madness ... I blame you! But seriously, thank you for inspiring all of us. And this build is looking amazing!  :good:



#7 Steve Deiters

Steve Deiters

    Posting Leader

  • Full Member
  • PipPipPipPipPipPipPip
  • 2,062 posts
  • Joined: 28-May 07
  • Gender:Male
  • Location:Cincinnati, OH

Posted 14 October 2019 - 01:03 PM

Very cool.



#8 havlicek

havlicek

    OCD Rewinder

  • Subscriber
  • PipPipPipPipPipPipPipPip
  • 11,187 posts
  • Joined: 20-August 07
  • Gender:Male
  • Location:NY

Posted 14 October 2019 - 01:42 PM

Super nifty Rick!  I think there might be some watchmakers in Switzerland peeking-in for tips and tricks!  :)


  • munter likes this
John Havlicek

#9 dc-65x

dc-65x

    Grand Champion Poster

  • Subscriber
  • PipPipPipPipPipPipPipPip
  • 5,442 posts
  • Joined: 14-February 06
  • Gender:Male
  • Location:Captain Rick: The only vintage slot car nut in SW Oregon?

Posted 14 October 2019 - 08:08 PM

Thanks, I'm glad you guys like the project too. :)

 

The heart of this beasty:

 

Scarab MkIV (8).JPG

 

It was dissembled down to this point. No need to re-stack all those pole pieces. 

 

Scarab MkIV (10).JPG

 

I epoxied the arm windings and did a period razor blade static balance on the arm:

 

Scarab MkIV (15).JPG

 

It's all polished up and ready to go:

 

Scarab MkIV (13).JPG

 

The motor end plates are next.......


  • slotbaker, Tex, Howie Ursaner and 2 others like this

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


#10 Jairus

Jairus

    Body Painter Extraordinaire

  • Subscriber
  • PipPipPipPipPipPipPipPip
  • 9,765 posts
  • Joined: 16-February 06
  • Gender:Male
  • Location:Salem, OR

Posted 15 October 2019 - 05:14 PM

We all have to flog ourselves on a crazy project.  I am still working on my second STP Turbine car..... [eyeroll]
Enjoy the flogging Rick, it looks good so far.
:good:


Jairus H Watson - Artist
Need something painted, soldered, carved, or killed? - jairuswtsn@aol.com

www.slotcarsmag.com

www.jairuswatson.net
http://www.ratholecustoms.com
Check out some of the cool stuff on my Fotki!


#11 dc-65x

dc-65x

    Grand Champion Poster

  • Subscriber
  • PipPipPipPipPipPipPipPip
  • 5,442 posts
  • Joined: 14-February 06
  • Gender:Male
  • Location:Captain Rick: The only vintage slot car nut in SW Oregon?

Posted 15 October 2019 - 05:47 PM

Thanks Jairus

 

I drilled and tapped both Pittman end pieces to attach the motor to the motor bracket bulk heads. I also lapped the back sides of the end pieces flat and milled the mounting surfaces flat too:

 

Scarab MkIV (17).JPG

 

The pieces in front are the modified bits all buffed up and with ball bearings installed:

 

Scarab MkIV (16).JPG

 

All the modified pieces ready to come together:

 

Scarab MkIV (9).JPG

 

The assembled motor back in the setup fixture for some final fiddling before I start the chassis:

 

Scarab MkIV (5).JPG


  • Jairus, slotbaker, Jencar17 and 7 others like this

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


#12 munter

munter

    Checkered Flag in Hand

  • Full Member
  • PipPipPipPipPipPip
  • 1,005 posts
  • Joined: 11-April 08
  • Gender:Male
  • Location:Napier, New Zealand

Posted 15 October 2019 - 09:31 PM

Looks impressive...I bet it will sound great too.


John Warren
Slot cars are my preferred reality


#13 James Wendel

James Wendel

    Race Leader

  • Full Member
  • PipPipPipPipPip
  • 858 posts
  • Joined: 02-June 10
  • Gender:Male
  • Location:Roseburg, OR, USA

Posted 15 October 2019 - 11:54 PM

An excellent point, John.  Capt'n Rick needs a YouTube channel so he can share short track-test videos.

 

(Sorry Rick, it's just wishful thinking on my part.)


You can't always get what you want...

#14 dc-65x

dc-65x

    Grand Champion Poster

  • Subscriber
  • PipPipPipPipPipPipPipPip
  • 5,442 posts
  • Joined: 14-February 06
  • Gender:Male
  • Location:Captain Rick: The only vintage slot car nut in SW Oregon?

Posted 16 October 2019 - 04:48 PM

I don't know about modern racers being interested.........drifting Pittman powered vintage style cars with urethane tires around the track is a whole different world from today's cars that are punched from turn to turn. Bounce a modern car off a wall, no problem. Just put the car back on and go. A brass rod vintage car like I'm building would wad up into a ball. :o   :dash2:  The car has to be driven.....not punched. It reminds me of real car racing before down force from air control took over.  :crazy:

 

Next up are the rear bearing mounts. I'm using more sheet brass and some very vintage bearing "duffys" (holders):

 

Scarab MkIV (23).JPG

 

All soldered up:

 

Scarab MkIV (22).JPG

 

Ready for the chassis build........


  • slotbaker, Jencar17, Peter Horvath and 1 other like this

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


#15 stoo23

stoo23

    On The Lead Lap

  • Full Member
  • PipPipPipPip
  • 369 posts
  • Joined: 26-July 08
  • Gender:Male
  • Location:Sydney, Australia

Posted 16 October 2019 - 09:17 PM

Wow !! that's Wild !!,.. LOL

Bit How on earth do you manage to keep your Building Jig So CLEAN ???,.. :)

 

EDIT:,.. Ahh Silly me I just noticed it says "Setup Fixture" on it,.. DOH !!,.. :)


Stewart Amos

Old 'Phhtt' Racer from Sydney, Australia
FASTUFF Race Proven Products

#16 dc-65x

dc-65x

    Grand Champion Poster

  • Subscriber
  • PipPipPipPipPipPipPipPip
  • 5,442 posts
  • Joined: 14-February 06
  • Gender:Male
  • Location:Captain Rick: The only vintage slot car nut in SW Oregon?

Posted 17 October 2019 - 06:02 PM

Here's the setup jig doing a banner job of allowing me to get the 4 bulkheads fixtured in "Korrect" alignment with the motor, drive shaft and axles:

 

Scarab MkIV (20).JPG

 

Here are all the gizmos and doodads I ended up with to get everything ready for making the 27 solder joints:

 

Scarab MkIV (21).JPG

 

 


  • slotbaker, Jencar17, Jaeger Team and 1 other like this

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


#17 dc-65x

dc-65x

    Grand Champion Poster

  • Subscriber
  • PipPipPipPipPipPipPipPip
  • 5,442 posts
  • Joined: 14-February 06
  • Gender:Male
  • Location:Captain Rick: The only vintage slot car nut in SW Oregon?

Posted 18 October 2019 - 02:55 PM

It's out of the jig, all trimmed up and buffed:

 

Scarab MkIV (25).JPG

 

Scarab MkIV (27).JPG

 

I did a test fit of the motor and all the gears. Everything was nice and smooth. Accurate drilling of all the holes in the motor and brackets and careful alignment in the chassis jig really paid off:

 

Scarab MkIV (29).JPG

 

So far, so good :dance3:

 

Scarab MkIV (26).JPG

 

The drop arm pivot is next.........


  • slotbaker, Jencar17, Maximo and 3 others like this

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


#18 Pablo

Pablo

    Builder

  • Subscriber
  • PipPipPipPipPipPipPipPip
  • 15,115 posts
  • Joined: 20-February 06
  • Gender:Male
  • Location:Johnson Bayou, Mississippi Gulf Coast

Posted 19 October 2019 - 02:12 PM

Wild chassis for sure  :heart:  :heart:  :heart:  :heart:


Paul Wolcott

#19 Larry Horner

Larry Horner

    Rookie Keyboard Racer

  • Full Member
  • Pip
  • 36 posts
  • Joined: 18-March 17
  • Gender:Male
  • Location:San Francisco

Posted 19 October 2019 - 03:26 PM

Once again, absolutely stunning!



#20 dc-65x

dc-65x

    Grand Champion Poster

  • Subscriber
  • PipPipPipPipPipPipPipPip
  • 5,442 posts
  • Joined: 14-February 06
  • Gender:Male
  • Location:Captain Rick: The only vintage slot car nut in SW Oregon?

Posted 19 October 2019 - 05:40 PM

Thanks guys, it's a weird one for sure. But when I test fit all the gears, wheels, tires and motor it really looks pretty cool.....in a weird way :crazy:

 

OK, the drop arm hinge tubes are to be soldered up against the forward motor bracket for strength. That would mean the drop arm pivot tube would drag against the motor bracket.

 

This was a great excuse to play with my little hobby lathe:

 

Scarab MkIV (32).JPG

 

I made some hinge tubes from bar stock slightly larger in diameter than the 3/32" drop arm tube. Yes, I could just double up the pivot tubes with 1/8" tube but that's no fun:

 

Scarab MkIV (33).JPG

 

Here's the result. The hinge tubes are .110":

 

Scarab MkIV (34).JPG

 

Now there's a slight gap between the pivot tube and the bracket:

 

Scarab MkIV (36).JPG

 

Hey, it might work :laugh2:

 


  • slotbaker and MattD like this

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


#21 Pablo

Pablo

    Builder

  • Subscriber
  • PipPipPipPipPipPipPipPip
  • 15,115 posts
  • Joined: 20-February 06
  • Gender:Male
  • Location:Johnson Bayou, Mississippi Gulf Coast

Posted 19 October 2019 - 07:06 PM

I bet the Hard Rock builders in New Orleans could have saved a lot of money if they had simply consulted with Capt. Rick  :o


Paul Wolcott

#22 dc-65x

dc-65x

    Grand Champion Poster

  • Subscriber
  • PipPipPipPipPipPipPipPip
  • 5,442 posts
  • Joined: 14-February 06
  • Gender:Male
  • Location:Captain Rick: The only vintage slot car nut in SW Oregon?

Posted 20 October 2019 - 12:50 PM

I love my R-GEO chassis jig. It aligns and holds in place for soldering the center drop arm rod making for an easy peasy job:

 

Scarab MkIV (41).JPG

 

The finished drop arm all trimmed out and buffed up. A simple design for simpler times  :D

 

Scarab MkIV (40).JPG

 

Body mounts are next.........

 

 


  • slotbaker, Maximo and Geary Carrier like this

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


#23 Horsepower

Horsepower

    **Numb Thumbs**

  • Full Member
  • PipPipPipPipPipPipPip
  • 4,208 posts
  • Joined: 16-February 06
  • Gender:Male
  • Location:Chicago

Posted 20 October 2019 - 02:15 PM

What do you use to polish the tarnished motor pieces?


"You do not know these men. You may have looked at them, but you did not see them. They are the wind that blows newspapers down a gutter on a windy night -- and sweeps the gutter clean."


#24 dc-65x

dc-65x

    Grand Champion Poster

  • Subscriber
  • PipPipPipPipPipPipPipPip
  • 5,442 posts
  • Joined: 14-February 06
  • Gender:Male
  • Location:Captain Rick: The only vintage slot car nut in SW Oregon?

Posted 20 October 2019 - 02:25 PM

.On this Pittman 65 I used a Dremel carbon steel wire wheel and Simichrome paste metal polish.


  • Silver Fox and Horsepower like this

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


#25 Horsepower

Horsepower

    **Numb Thumbs**

  • Full Member
  • PipPipPipPipPipPipPip
  • 4,208 posts
  • Joined: 16-February 06
  • Gender:Male
  • Location:Chicago

Posted 20 October 2019 - 04:11 PM

Thanks!


"You do not know these men. You may have looked at them, but you did not see them. They are the wind that blows newspapers down a gutter on a windy night -- and sweeps the gutter clean."






Electric Dreams Online Shop