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Eight for Italy


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#1 havlicek

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Posted 12 February 2018 - 08:00 PM

I started off a nice batch of motors headed to Italy, and got permission to document the builds.  The first four of the group are all Mabuchi FT160 (*Hong Kong Mabuchis), the best analog...really the only close analog for the FT16D.  With their slightly better magnets and drastically better end bells and bushings, these motors can be built and rebuilt numerous times up to "pretty hot" and stay together well.

These four are going to be raced less frequently, and the order was for more heat.  The setups got taken apart, cleaned-up, drilled for end bell mounting and reassembled.  These motors are for racing, so clean and serious is all that's needed.  I tossed the stock arms and pressed up four new ones at a stack length of around .460" compared to the .500" stock stack.  The .518" lam diameter is a full .018 wider than the stock lams and will yield the equivalent of a .018" total set of shims (2 x .009"), for another nice performance bump.  For the wind, I went with 55/29, which along with the shorter stack and lighter lams will make for much improved performance, but not inappropriate for the magnets here.  For coms (*because of the smaller...close to FT16D sized brushes), these all get the Tradeship.  These coms will be faster with the same wind and smaller brushes than with a modern-diameter (around .200" or so) com.

IMG_2484.JPG

Two of the four arms are wound.  This wind makes for a nice full 6-layer coil on these lams, and I hit on a good pattern right out of the box and just went with that.

IMG_2483.JPG

Moving right along.  With the setups done, these four won't take very long.


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John Havlicek




#2 bradblohm

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Posted 12 February 2018 - 08:58 PM

No wonder some of those guys are so fast!  Several times I've been over to Roncole to race vintage cars on their MT designed track.  Two years ago traded a really nice all original Cucaracha for a Mini Dream car, powered by one of these Hong Kong Mabuchis that finished second the year before.  It was a rocket!  In the race I lifted slightly out in one corner, set back down in the next lane over, just as he was entering the main straight.  My car nearly went through the track wall!  Broke the aluminum motor box in the chassis!  I wonder if it has one of your winds in it?!?


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Brad Blohm

#3 Pablo

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Posted 12 February 2018 - 09:01 PM

"clean and serious" is about as close to "Godliness" as possible in slot cars.

Havlicek is THE MAN. Period. :big_boss:


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Paul Wolcott

#4 bradblohm

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Posted 12 February 2018 - 10:31 PM

Paul, between his artistic motors and your artistic chassis, we mere mortals don't stand a chance!  I'll just have another cold one, sit back, and enjoy the show! 

 

Oh, and for the record John, if you like working on these I've got a carton of 24 just waiting for a couple to get "H"ed!


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#5 havlicek

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Posted 13 February 2018 - 05:11 AM

No wonder some of those guys are so fast!  Several times I've been over to Roncole to race vintage cars on their MT designed track.  Two years ago traded a really nice all original Cucaracha for a Mini Dream car, powered by one of these Hong Kong Mabuchis that finished second the year before.  It was a rocket!  In the race I lifted slightly out in one corner, set back down in the next lane over, just as he was entering the main straight.  My car nearly went through the track wall!  Broke the aluminum motor box in the chassis!  I wonder if it has one of your winds in it?!?

 

 

Beats me Brad.  I've sent a bunch of motors to Europe (*mostly Italy and Germany) over the years, so maybe?  It's not often I ever hear about them afterwards.  There was one thread here not that long ago though.

 

"clean and serious" is about as close to "Godliness" as possible in slot cars.

Havlicek is THE MAN. Period. :big_boss:

 

Well, I wouldn't know about that Pablo, but I feel the same way about your builds!

 

 

 

Oh, and for the record John, if you like working on these I've got a carton of 24 just waiting for a couple to get "H"ed!

No problem Brad.  They're good motors...or at least have the potential to be good motors, and are almost a drop-in replacement for the FT16D except for the larger bushing area at the end bell.


John Havlicek

#6 havlicek

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Posted 14 February 2018 - 10:55 AM

The first four arms are done to go with the first four setups.  Now it's just assembly and finishing touches.  All four arms meter exactly the same at .338 ohms

IMG_2485.JPG


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John Havlicek

#7 havlicek

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Posted 14 February 2018 - 01:09 PM

Assembly/testing finished, they get bagged and I start on the next four (*Russkit "23" type early FT16D).  This wind (*55/29) is VERY strong and as fast as you wanna go with anything resembling a stock Mabuchi.

IMG_2486.JPG


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#8 Asp

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Posted 14 February 2018 - 06:52 PM

John, they look ready to go...but don't tell me you got my name wrong!


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#9 Samiam

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Posted 14 February 2018 - 06:58 PM

 Oy Vey! :shok:

 

Good thing he's a carpenter and motor builder and not a tattoo artist. 


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#10 havlicek

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Posted 14 February 2018 - 07:04 PM

John, they look ready to go...but don't tell me you got my name wrong!

 

Beats me...I thought I copied the stickers correctly!?  


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#11 havlicek

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Posted 14 February 2018 - 07:05 PM

Whew...next batch is on the table.  All the same basic type (*although not all Mabuchi):

IMG_2488.JPG


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John Havlicek

#12 havlicek

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Posted 15 February 2018 - 05:47 PM

John, they look ready to go...but don't tell me you got my name wrong!

 

Ciao Luciano.  I didn't want you to think I took your concern lightly, but I think...HOPE... this picture of your sticker might help explain why I engraved "Lugano" on the motor!


IMG_2491.JPG
 


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John Havlicek

#13 Asp

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Posted 15 February 2018 - 05:55 PM

I see your point...and I am not really complaining.

 

Ciao


Luciano Luppi

#14 havlicek

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Posted 16 February 2018 - 06:35 AM

I DO apologize though, and won't make that mistake again!


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John Havlicek

#15 havlicek

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Posted 16 February 2018 - 03:36 PM

Moving along here.  All four of the second set of motors got stripped (*even the chrome one), drilled for end bell mounting screws, blind bushings removed and replaced with new tight 2mm x 5mm bushings, and painted VHT "anodized purple".  The magnets just need to be cleaned-up and reinstalled, and the cans are complete.

IMG_2500.JPG


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#16 havlicek

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Posted 17 February 2018 - 11:02 AM

OK, so the request here was actually for "more" on these four motors, so I made some changes.  First off, I had to decide on the magnets.  I could have gone with modern EPX magnets and went with a large diameter arm, but even with pristine end bells, I worry about longevity.  Speaking of pristine end bells, these four motors are getting Tradeship end bells...***NO crack around the bushing!  :)  Anyway, I went with four pairs of magnets from the Hong Kong Mabuchi FT160 motors.  These measure something like 10% better on average than the original Japanese Mabuchis and are a direct fit.  They're also thick enough to provide for a much smaller "hole".  To close things up some more, I made up a batch of shims which has the .518" OD arms JUST slightly skimming the magnets when the arm blank is spun by hand in the setup.  The finished arms will clear nicely, but with very little "extra" room.

IMG_2502.JPG

All assembled and checked for arm clearance:

IMG_2503.JPG

Now I can finish pressing new arm blanks and spacing them for the setups.  Of course, the end bells will need a little prep, but nothing out of the ordinary.


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John Havlicek

#17 Jairus

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Posted 17 February 2018 - 11:27 AM

Nice work John!  :wub:


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#18 havlicek

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Posted 17 February 2018 - 03:04 PM

Thanks Jairus!


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#19 Pablo

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Posted 17 February 2018 - 05:35 PM

:heart: :heart: :heart: There's going to be dancing in the streets of Italy soon  :dance3:

 

af5ac9d9f022d152029b32a40f995324--vintage-photographs-vintage-photos.jpg


Paul Wolcott

#20 Asp

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Posted 17 February 2018 - 05:47 PM

Let's hope for the best.. we have three races in March, one for Cox Cucarachas, one for pre 72 anglewinders and one for the Mini Dream Car Mini Can Am ( italian thingy ). Then in May vintage Formula 1. Competition

is going  be fierce and we will need the best equipment possible.


Luciano Luppi

#21 Jaeger Team

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Posted 17 February 2018 - 05:51 PM

Very good John! Where do you get those nice pent-roof brush holders?


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Maurizio Salerno

#22 havlicek

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Posted 17 February 2018 - 06:11 PM

Very good John! Where do you get those nice pent-roof brush holders?

 

Ciao Maurizio,

     Now, they only very rarely come up on eBay, but mostly you have to buy an NOS end bell with them...either the Champion or the Tradeship.


John Havlicek

#23 Pablo

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Posted 17 February 2018 - 08:15 PM

Luciano mis-engrave - in coin collecting, the ones with mistakes become valuable

 

https://www.littleto...BCABEgI9ePD_BwE

 

Just sayin' :D


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Paul Wolcott

#24 havlicek

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Posted 18 February 2018 - 04:21 PM

Yikes...I gotta screw up the engraving more often!


John Havlicek

#25 havlicek

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Posted 19 February 2018 - 04:10 PM

The second group of four are done.  They're a bit warmer than the first ones.  These got 50T/#29 and the stack is a little shorter.  Mags got shimmed tight, but I cut the timing advance back to only around 5 degrees CCW.

IMG_2505.JPG IMG_2506.JPG

Just need to add some nifty new lead wires and bag 'em up!


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John Havlicek





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