Jump to content




Photo

Ultimate Thingie: Pablo Choti Ultra #5 Lenz U-Go Mura


  • Please log in to reply
165 replies to this topic

#51 SlotStox#53

SlotStox#53

    Posting Leader

  • Subscriber
  • PipPipPipPipPipPipPip
  • 4,084 posts
  • Joined: 13-March 13
  • Gender:Male
  • Location:TX

Posted 30 December 2018 - 10:16 PM

Wow! That's one stunning A can sitting there :D :heart: the paint color & finish.

If you give into temptation you'll end up with a Pablo thumbprint edition motor :laugh2:




#52 Pablo

Pablo

    Builder

  • Subscriber
  • PipPipPipPipPipPipPipPip
  • 15,091 posts
  • Joined: 20-February 06
  • Gender:Male
  • Location:Johnson Bayou, Mississippi Gulf Coast

Posted 31 December 2018 - 11:39 AM

Would have to be a 36D for my meaty thumbprint to fit :laugh2:


  • SlotStox#53 likes this
Paul Wolcott

#53 Pablo

Pablo

    Builder

  • Subscriber
  • PipPipPipPipPipPipPipPip
  • 15,091 posts
  • Joined: 20-February 06
  • Gender:Male
  • Location:Johnson Bayou, Mississippi Gulf Coast

Posted 31 December 2018 - 07:16 PM

el diablo rojo! snugged up, tested, and broken in. Results:

 

-instant rotation at the click of the power supply

-sounds and feels happy

-2v for a minute, then 3v, draws 1.1, then 1.0, then .95 amps over the course of 15 minutes

-dead cool temp

 

Time to plug in my mini-Hakko and consummate the marriage by connecting the shunt wires and insulating the springs

 

IMG_1126.JPG


  • slotbaker, Jencar17, boxerdog and 2 others like this
Paul Wolcott

#54 Pablo

Pablo

    Builder

  • Subscriber
  • PipPipPipPipPipPipPipPip
  • 15,091 posts
  • Joined: 20-February 06
  • Gender:Male
  • Location:Johnson Bayou, Mississippi Gulf Coast

Posted 31 December 2018 - 08:50 PM

Shunt wires installed. Does this motor really need them? No, but they can't hurt.

Insulators - does this motor need them? My opinion, no, because it was built with precise care and runs cool.

Given the small brushes, small brush holders, small EB hardware, etc. I think the insulators would just gum up the works. So I left them out.

 

Back on the power supply for a bigger dose of voltage. Result:

-revs to the moon real sweet

-dead cool

 

I know a happy motor when I test one - el Diablo Rojo is done :)

 

IMG_1133.JPG


  • slotbaker, Jencar17, olescratch and 1 other like this
Paul Wolcott

#55 dc-65x

dc-65x

    Grand Champion Poster

  • Subscriber
  • PipPipPipPipPipPipPipPip
  • 5,440 posts
  • Joined: 14-February 06
  • Gender:Male
  • Location:Captain Rick: The only vintage slot car nut in SW Oregon?

Posted 31 December 2018 - 09:19 PM

Hi Pablo,

 

I've used the brush spring insulation to isolate the spring from the electric current (heat). That should help keep the plastic brush spring post from melting too.

 

That's my excuse anyway. :crazy:


  • Geary Carrier likes 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...


#56 Bill from NH

Bill from NH

    Age scrubs away speed!

  • Full Member
  • PipPipPipPipPipPipPipPip
  • 10,792 posts
  • Joined: 02-August 07
  • Gender:Male
  • Location:New Boston, NH

Posted 31 December 2018 - 10:43 PM

Brush spring insulation is always easier to install than shunts are too.  :sarcastic_hand:


Bill Fernald
 

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


#57 Martin

Martin

    Checkered Flag in Hand

  • Subscriber
  • PipPipPipPipPipPip
  • 1,313 posts
  • Joined: 22-February 09
  • Gender:Male
  • Location:US

Posted 01 January 2019 - 01:24 AM

 Looking forward to watching you guys do your beautiful builds.

 All the best to one and all.                                                         

 Have a great new year.


  • Geary Carrier likes this
Martin Windmill

#58 Pablo

Pablo

    Builder

  • Subscriber
  • PipPipPipPipPipPipPipPip
  • 15,091 posts
  • Joined: 20-February 06
  • Gender:Male
  • Location:Johnson Bayou, Mississippi Gulf Coast

Posted 01 January 2019 - 09:09 PM

My first experience with a U-Go bracket - first impression - WOW - extremely precise :good:

First order of business - what wheel OD makes it clear 1/16", and what gear OD will clear 1/32"?

(Slick 7 bushings are only for planning purposes)

 

IMG_1142.JPG

 

Answers: .750 wheel OD and .686 gear OD

 

IMG_1144.JPG

 

Second order of business - fiddling with Final Drive Ratio.

In the end, I chose 7/26 (3.7 to 1), FDR 4.95

 

New vintage gears - a long press-on pinion and a Cox crown with a RTR hollow screw

 

IMG_1147.JPG


  • Jencar17, Peter Horvath and Geary Carrier like this
Paul Wolcott

#59 Bill from NH

Bill from NH

    Age scrubs away speed!

  • Full Member
  • PipPipPipPipPipPipPipPip
  • 10,792 posts
  • Joined: 02-August 07
  • Gender:Male
  • Location:New Boston, NH

Posted 01 January 2019 - 10:02 PM

What's special about the Ralph Thorne set screws? I haven't heard of them before. Are they made of a hardened steel or do they have special points, such as, fine teeth that'll cut into a material easily for more holding power? Does a regular .050 allen wrench fit them?


Bill Fernald
 

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


#60 Geary Carrier

Geary Carrier

    all there...???

  • Full Member
  • PipPipPipPipPip
  • 537 posts
  • Joined: 23-April 16
  • Gender:Male
  • Location:CT

Posted 02 January 2019 - 12:37 AM

I know a happy motor when I test one - el Diablo Rojo is done :)

 

 

Sweet motor Pablo...


Yes, to be sure, this is it...


#61 Pablo

Pablo

    Builder

  • Subscriber
  • PipPipPipPipPipPipPipPip
  • 15,091 posts
  • Joined: 20-February 06
  • Gender:Male
  • Location:Johnson Bayou, Mississippi Gulf Coast

Posted 02 January 2019 - 05:43 PM

Bill, RTR (Ralph Thorne Racing) precision hollowed set screw.

Most crowns, even Parma Pinks, become much better balanced with a shortened hollowed screw.

I like and use Koford Gold Billets also.

 

Thanks Geary :)

 

These U-Go brackets are totally bitchin'. Made to sit flat and give 1/16" clearance with .750 OD wheels.

Way ahead of their time. Never used or soldered to one - do I need to etch the coating off or something?

 

The Slick 7 racing bushings are a nice "snap" fit but I secured 'em for building with a couple microdots of CA. When it's time to install the BB's they will punch right out with a hint of acetone :good:

 

IMG_1152.JPG

 

Now, where did I put that Swiss piano wire? :dance3:


  • Jencar17 and Geary Carrier like this
Paul Wolcott

#62 Pablo

Pablo

    Builder

  • Subscriber
  • PipPipPipPipPipPipPipPip
  • 15,091 posts
  • Joined: 20-February 06
  • Gender:Male
  • Location:Johnson Bayou, Mississippi Gulf Coast

Posted 02 January 2019 - 06:32 PM

Swiss wire has rave reviews, but I had to see for myself.

 

First test: isopropyl alcohol on paper towel to see how much dirt it collects - zero - perfectly clean.

Second test: dial indicator to check straightness - it's as straight as any I've used.

 

IMG_1153.JPG

 

The best part - no tinning party necessary :dance3: :D


  • Jencar17 and olescratch like this
Paul Wolcott

#63 Pablo

Pablo

    Builder

  • Subscriber
  • PipPipPipPipPipPipPipPip
  • 15,091 posts
  • Joined: 20-February 06
  • Gender:Male
  • Location:Johnson Bayou, Mississippi Gulf Coast

Posted 02 January 2019 - 07:03 PM

I need your opinion, please. Instead of a plain Jane brass cross piece like this:

 

IMG_0359.JPG

 

how about an engraved piece of "Ferret" .025" brass history (cut to size of course)?

 

IMG_1156.JPG

 

If you do like it, engraving facing down, or up?

 

 

 

 


  • Jencar17 likes this
Paul Wolcott

#64 Pablo

Pablo

    Builder

  • Subscriber
  • PipPipPipPipPipPipPipPip
  • 15,091 posts
  • Joined: 20-February 06
  • Gender:Male
  • Location:Johnson Bayou, Mississippi Gulf Coast

Posted 02 January 2019 - 07:49 PM

Built-in angle of the tongue is about 4 degrees.

I'll need that measurement to angle the main rails inward after they clear the motor.

The rails can double as flag rotation stops, if I place them right

 

IMG_1161.JPG


  • Jencar17 likes this
Paul Wolcott

#65 Bill from NH

Bill from NH

    Age scrubs away speed!

  • Full Member
  • PipPipPipPipPipPipPipPip
  • 10,792 posts
  • Joined: 02-August 07
  • Gender:Male
  • Location:New Boston, NH

Posted 02 January 2019 - 08:32 PM

U-GO Smith was a group of SFB area slot racers. Now you want to mix in a piece of Lawn I-land technology?  It'd be the same as using a chrome can that's stamped PARMA.


Bill Fernald
 

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


#66 Pablo

Pablo

    Builder

  • Subscriber
  • PipPipPipPipPipPipPipPip
  • 15,091 posts
  • Joined: 20-February 06
  • Gender:Male
  • Location:Johnson Bayou, Mississippi Gulf Coast

Posted 02 January 2019 - 09:09 PM

I've never heard of "Smith", or "Lawn I-land", and how does Parma enter into this?

I suspect this may be your vote for or against the Ferret piece, but I'm not sure.


  • havlicek likes this
Paul Wolcott

#67 olescratch

olescratch

    olescratch

  • Subscriber
  • PipPipPipPipPip
  • 889 posts
  • Joined: 19-July 13
  • Gender:Male
  • Location:Ravenna, OH

Posted 02 January 2019 - 09:21 PM

   My vote is the brass slab/your logo!  


John Stewart

#68 Bill from NH

Bill from NH

    Age scrubs away speed!

  • Full Member
  • PipPipPipPipPipPipPipPip
  • 10,792 posts
  • Joined: 02-August 07
  • Gender:Male
  • Location:New Boston, NH

Posted 02 January 2019 - 11:47 PM

The company name of the products some people refer to as "U-GO"  is actually U-GO Smith. Check with Jairus & some of the old posts on Slotblog. You should read more posts from the New York boys.  Lawn I-land is NY slang for Long Island, NY, which is 118 mi. long. The original Ferret company location was on Long Island. I think using the Ferret name in combination with the U-GO Smith chassis parts would be the same as if you used a chrome PARMA can for your motor. You are free to do as you wish..


Bill Fernald
 

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


#69 Martin

Martin

    Checkered Flag in Hand

  • Subscriber
  • PipPipPipPipPipPip
  • 1,313 posts
  • Joined: 22-February 09
  • Gender:Male
  • Location:US

Posted 03 January 2019 - 01:29 AM

I just realized I hate riddles. :crazy:

 

I with John Stewart on this one "My vote is (also) the brass slab/your logo!" :)


Martin Windmill

#70 Jaeger Team

Jaeger Team

    On The Lead Lap

  • Subscriber
  • PipPipPipPip
  • 284 posts
  • Joined: 27-January 17
  • Gender:Male
  • Location:Palermo, Italy

Posted 03 January 2019 - 03:03 AM

My two cents: Save that  engraved piece of "Ferret" .025" brass history for a philologically based building.  :)


  • Half Fast and Samiam like this
Maurizio Salerno

#71 havlicek

havlicek

    OCD Rewinder

  • Subscriber
  • PipPipPipPipPipPipPipPip
  • 11,176 posts
  • Joined: 20-August 07
  • Gender:Male
  • Location:NY

Posted 03 January 2019 - 05:52 AM

I've never heard of "Smith", or "Lawn I-land", and how does Parma enter into this?

I suspect this may be your vote for or against the Ferret piece, but I'm not sure.

 

"Lawn I-land" is a bit of a rib on the local pronunciation of "Long Island", but it's way off.  The  local dialect makes it sound like "Lawng island" or "Lawn-giland", key is the "g" sound.  Out here on the tippity tip, we all just call the rest of the Island "up west" or "up the island", and we're "out east" or "the east end".  These little hints are a dead-giveaway as to who's a local and who's an interloper!

BTW...Ferret made good stuff, and their allen wrench is a wondrous thing.  I still have my "lucky Ferret allen wrench", and everything tightened with that wrench works much much better than it would if it were tightened with a lesser wrench!  :D


  • Jairus, Half Fast and Samiam like this
John Havlicek

#72 Bill from NH

Bill from NH

    Age scrubs away speed!

  • Full Member
  • PipPipPipPipPipPipPipPip
  • 10,792 posts
  • Joined: 02-August 07
  • Gender:Male
  • Location:New Boston, NH

Posted 03 January 2019 - 09:20 AM

Choti chassis weren't built using Ferret brass parts, I don't think Ferret ever sold cars or parts to the thingie market.. Their chassis were made using brass pans, brass drop arms, & brass rod rails. They also manufactured chassis for a few other companies. I've seen, but never owned their allen wrench. The Sonic is another very good double-ended allen wrench. The Ferret owner, George Hauck is probably best known for making a tight fitting braid clip that the braid didn't easily pull out of. when changing braids during a race.


Bill Fernald
 

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


#73 Pablo

Pablo

    Builder

  • Subscriber
  • PipPipPipPipPipPipPipPip
  • 15,091 posts
  • Joined: 20-February 06
  • Gender:Male
  • Location:Johnson Bayou, Mississippi Gulf Coast

Posted 03 January 2019 - 11:00 AM

OK it's a unanimous "NO" on the Ferret piece, thanks guys :good:

How about steel strip instead of brass, to make it match the bracket and tongue?


  • olescratch likes this
Paul Wolcott

#74 Bill from NH

Bill from NH

    Age scrubs away speed!

  • Full Member
  • PipPipPipPipPipPipPipPip
  • 10,792 posts
  • Joined: 02-August 07
  • Gender:Male
  • Location:New Boston, NH

Posted 03 January 2019 - 11:58 AM

Steel will be lighter than brass & still provide you a shelf to install the "Pablo" tag. :) That 'Ferret piece' is the back half of an anglewinder chassis. Obtain the pans & drop arm (both occasionally show up) & you'll have a vintage anglewinder too.


Bill Fernald
 

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


#75 Pablo

Pablo

    Builder

  • Subscriber
  • PipPipPipPipPipPipPipPip
  • 15,091 posts
  • Joined: 20-February 06
  • Gender:Male
  • Location:Johnson Bayou, Mississippi Gulf Coast

Posted 03 January 2019 - 06:44 PM

Steel it is, then, thanks Bill :good:

My clearance plan is 1/16-ish rear, 1/32-ish front, so the tongue needs a little tilt.

A little bit of hand filing on the underside, and voilà

 

IMG_1165.JPG

 

.063 chunk topped with a single piece of 4 thou tape to ensure it's right when I tack the wires on

 

IMG_1167.JPG


  • Jencar17 and Geary Carrier like this
Paul Wolcott





Electric Dreams Online Shop