Toy Car Wheels

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Toy Car Wheels

Postby dhellew2 » Sun Feb 02, 2014 8:35 pm

Since this will be an entirely new series of cars designed around the new spoke wheel I am starting another toy car topic.
These wheels are scaled down from the 30" Model T wheels to 2.4" which mean the cars and trucks must be scaled up to fit the wheels.
The new wheel base will be 8.0", 1.25" longer than those designed for 2" wheels making the cars between 1.25 and 1.5" longer too.
Using a 1/8" end mill to cut the axle holes it was necessary to make the wheel slightly larger in order to make them look as realistic as possible even though it was necessary to reduce the number of spokes from 12 to 10. I started with an 8-spoke wheel at 2" diameter but I didn't like the look.

Dale

P1030887a.jpg
The real deal, I took the photo in Moses Lake WA

P1030928a.jpg

P1030925a.jpg

P1030929a.jpg
The lower left wheel is finished with Tung oil

P1030928a.jpg

MODEL T CHASIS DIMENSIONS.pdf
(213.35 KiB) Downloaded 431 times

model t 30 inch 10 spoke wheel 4 ea cutout.crv3d
(1.34 MiB) Downloaded 437 times
It was necessary to make a 4-wheel version, the 8-wheel was too big to post.
You will get old if you live long enough!

Dale
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Re: Toy Car Wheels

Postby ailmik » Sun Feb 02, 2014 9:16 pm

Excellent work Dale. Will you be able to make your new models available in V-Carve as well?

Regards

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Re: Toy Car Wheels

Postby jimwill2 » Sun Feb 02, 2014 9:47 pm

Beautiful design and finish... thanks again for sharing!
Jim Williams
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Re: Toy Car Wheels

Postby bill_w » Sun Feb 02, 2014 11:39 pm

Thanks Dale,
Excellent work, I enjoy making them as much
or more then the children like playing with them.
Thanks again
Bill.
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Re: Toy Car Wheels

Postby zeeway » Mon Feb 03, 2014 3:31 pm

Hot Wheels.

Angie
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Re: Toy Car Wheels

Postby dhellew2 » Tue Feb 04, 2014 3:15 am

Okay, I made a 2" wheel by reducing the number of spokes to 9. If you cut it you will need to add tabs. Dale
model t 9 spoke wheel 2 inch.png

model t 9 spoke wheel 2 inch.crv3d
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Re: Toy Car Wheels

Postby dhellew2 » Tue Feb 04, 2014 6:18 pm

Slight modification to the wheels.
2" wheel: Change the tool path wheel recess 1 0.04 cut depth to 0.03" to create a break between the tire and wheel.
2.4" wheel: Change the tool path wheel first recess cut depth to 0.04"

To add the illusion of tread add a ring offset from the outer ring inwards 0.06" then create a tool path cutting outside to a depth of 0.03" using the same 3/16" end mill.
Other options could include more wheel detail by adding another ring (SEE added tool paths and lower right tire and wheel) etc.

Dale

model T 2 inch wheel modified.png

model T 2 inch wheel with tread.png

model t 9 spoke wheel 2 inch with options.zip
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Re: Toy Car Wheels

Postby Kentuckyscrollsaw » Fri Feb 07, 2014 7:30 pm

Excellent work Dale.

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Re: Toy Car Wheels

Postby dhellew2 » Fri Feb 07, 2014 8:02 pm

Here is a comparison between the 2.4" and 2" wheels and the relative size car bodies.
The larger car isn't too big and the size does allow for more 'realistic' detail, for a toy that is. :roll:
The wheels are cut from red maple and the cars are finished with Tung Oil.
Dale
model t comparison.jpg


PS: for those that downloaded the 2" wheel with options, once cut, the option detail is too small to be of any appreciable value. Future car/truck designs may include Model A cars too. The wheel base is 3-1/2" longer but the tires and wheels are the same as the model T 21" wheel ( however, some years and Model A's did use a 19" wheel).

The following PDF has a table added based on several wheel base dimensions in photos printed on 8-1/2 x 11 paper.
model t conversion table.pdf
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Re: Toy Car Wheels

Postby dhellew2 » Fri Feb 07, 2014 10:32 pm

Sorry, the PDF had a couple of typos in the wheel base row. The multiplier and results were correct.
The pit falls of coping and pasting in a spreadsheet. :oops:
Dale
model t conversion table.pdf
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Re: Toy Car Wheels

Postby dhellew2 » Sat Feb 08, 2014 6:29 pm

Sooner or later everyone gets results they can live with if they keep trying. Too much detail inside the 2" wheel didn't work so I eliminated some of the added 'options' then to simplify the process, reduced the number of bits to two. It takes longer to cut using a 1/8" end mill, the results are slightly less smooth in the axle pockets, but tolerable in such a small part.
The wheel in the photo is 2.0625" diameter but has a tread ring and a wheel rim. Now I'm satisfied with the result and though a 1/16" bigger it still fits inside the fenders.
I could have offset inward and left the tire size at 2" as well. Dale
Attachments
model T 2 inch wheel revised.jpg
model T 9 spoke wheel 2 inch revised.zip
(1.22 MiB) Downloaded 298 times
model T 9 spoke wheel 2 inch revised vcarve.zip
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Re: Toy Car Wheels

Postby MarkJohnston » Sat Feb 08, 2014 10:14 pm

Hi Dale,

I tried to download the programs in the above thread but it say your using Aspire 4.506? Are you using the beta version because I only have 4.015. I didn't think Vectric announced version 4.5 yet.

Mark
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Re: Toy Car Wheels

Postby bill_w » Sun Feb 09, 2014 1:59 am

Just curious why don't we use a 3d toolpath
Attachments
tires1.jpg
tires.jpg
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Re: Toy Car Wheels

Postby bill_w » Sun Feb 09, 2014 5:24 pm

The same with this one
tires2.jpg
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Re: Toy Car Wheels

Postby dhellew2 » Mon Feb 10, 2014 8:23 am

Simple answer, profile cuts are much faster and smoother than step-over carving. Dale
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