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COX PT-19 - Super Stunters WHEELS dia??? Empty COX PT-19 - Super Stunters WHEELS dia???

Post  pegin964 Sat Feb 04, 2023 12:29 pm

Hi,

Need info about COX PT-19 vs Super Stunters plastic WHEELS diameter, are they same type and dia ???

Intend to draw exact size/shape/profile wheel and print it on 3d printer in black plastic .

Have no any on hand and measuring from the photos, looks 25-32mm dia , but exact , measure size (dia/width) will be of great help.
Thanx
Nenad/Pegin

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COX PT-19 - Super Stunters WHEELS dia??? Empty Re: COX PT-19 - Super Stunters WHEELS dia???

Post  roddie Sat Feb 04, 2023 1:02 pm

pegin964 wrote:Hi,

Need info about COX PT-19 vs Super Stunters plastic WHEELS diameter, are they same type and dia ???

Intend to draw exact size/shape/profile wheel and print it on 3d printer in black plastic .

Have no any on hand and measuring from the photos, looks 25-32mm dia , but exact , measure size (dia/width) will be of great help.
Thanx
Nenad/Pegin


I rebuilt the gear on my PT-19... using a pair of "Sig Manufacturing" wheels which are slightly larger @ 1.375" X .375" or 35mm X 9.5mm. The Cox OEM wheels "might be" 1.25" (dia.) or 31.75mm. which .125" (3.18mm) smaller diameter than the Sig wheels. My OEM gear is buried in a box somewhere.. or else I would measure the wheel diameter for you. You're "in the ballpark".. but I'd lean toward the 32mm.

My Cox PT-19 OEM wheels have an open face on the back-side.. with an integral "hub" for the axle, molded into the front-side/face of the wheel.

The photo below shows the PT-19 OEM gear/wheels with the larger diameter "Sig" wheels for comparison.

COX PT-19 - Super Stunters WHEELS dia??? 1-11-111
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COX PT-19 - Super Stunters WHEELS dia??? Empty Re: COX PT-19 - Super Stunters WHEELS dia???

Post  pegin964 Sat Feb 04, 2023 1:18 pm

roddie wrote:
I rebuilt the gear on my PT-19... using a pair of "Sig Manufacturing" wheels which are slightly larger @ 1.375" X .375" or 35mm X 9.5mm. The Cox OEM wheels "might be" 1.25" (dia.) or 31.75mm. which .125" (3.18mm) smaller diameter than the Sig wheels. My OEM gear is buried in a box somewhere.. or else I would measure the wheel diameter for you. You're "in the ballpark".. but I'd lean toward the 32mm.

My Cox PT-19 OEM wheels have an open face on the back-side.. with an integral "hub" for the axle, molded into the front-side/face of the wheel.

The photo below shows the PT-19 OEM gear/wheels with the larger diameter "Sig" wheels for comparison.

Thanx Roddie,

Its open back side wheel i wish to re-create, so, arround 32mm dia is OK.

Will post pics once i complete 3d drawings and print forst wheel-

RGDS
Nenad/Pegin
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Post  pegin964 Sun Feb 05, 2023 12:07 pm

Having exact dimension given by Roddie (THX), this morning i create 32mm dia COX style plastic wheel used on PT-19, Super Stunter, Chipmunk, Skyraider,and probably some other COX models.

COX PT-19 - Super Stunters WHEELS dia??? ClOsl8v

And after few try and fail prints, (three , top left on photo) i leave idea of open face wheel and simply print half of the wheels, and later superglue both halves together.

COX PT-19 - Super Stunters WHEELS dia??? ZgQ3O8J

Strong , light , 6 grams each and looks like COX plastic wheel.

COX PT-19 - Super Stunters WHEELS dia??? BDx7bAn

Now I just need to build a model for them.
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Post  latole Sat Mar 04, 2023 2:27 pm

Very nice job , congrat.
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Post  getback Sun Mar 05, 2023 5:22 am

You have the printer working for you now , good job on the repel. wheels Small Cox Logo So you going to print the CL plane to go with the wheels ? Very Happy
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