Author Topic: alternative .553" 33" wheels.  (Read 670 times)

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bobthebear

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alternative .553" 33" wheels.
« on: October 11, 2021, 07:38:46 AM »
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Hi Guys.
As Fox Valley wheels are, at this time, unavailable, who makes .553" 33" wheels. I need to replace the pizza cutters on some old Rivarossi/Atlas heavyweight cars. Yes, I know they should be 36", but then some filing if the frames is needed. Am I right in thinking Intermountain ones will work?
I'm in UK, so not able to pop into a LHS and try them easily. I don't want the expense of 12 packs of Micro-trains trucks!
Cheers, Bob.

daniel_leavitt2000

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Re: alternative .553" 33" wheels.
« Reply #1 on: October 11, 2021, 07:48:59 AM »
+1
ESM has them coming out within the next few months.
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mmagliaro

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Re: alternative .553" 33" wheels.
« Reply #2 on: October 11, 2021, 10:48:31 AM »
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I can't say I've tried them, but IM says their 60050 and 60070 33" wheelsets have 0.55" axle lengths, so I can't see why they wouldn't work.  Are you sure you have to file the frames if you use 36"?  The flanges are smaller on the IM wheels.

bobthebear

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Re: alternative .553" 33" wheels.
« Reply #3 on: October 11, 2021, 11:46:27 AM »
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Yes, I fitted some 36" to another set, and the tread rubs on the frame.

thomasjmdavis

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Re: alternative .553" 33" wheels.
« Reply #4 on: October 11, 2021, 01:51:08 PM »
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I can't say I've tried them, but IM says their 60050 and 60070 33" wheelsets have 0.55" axle lengths, so I can't see why they wouldn't work.  Are you sure you have to file the frames if you use 36"?  The flanges are smaller on the IM wheels.

I've done this conversion- it is the tread of the wheel rubbing on the casting of the brakes that is the point of contact- or in my case, at any rate. And there is a small block of plastic in the corners of the trucks (at least some of them, the later Con Cor might be a bit different) that also needs to be removed.  I was using plastic wheelsets from Des Plaines/Centralia kits.  I found that if I carved off some of the brake shoe, I could get the wheels to just clear.

For purposes of the question at hand, I just tried some IM high detail 36" wheels in one of the modified, and they seem to roll just fine. 
Tom D.

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bbussey

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Re: alternative .553" 33" wheels.
« Reply #5 on: October 11, 2021, 04:55:55 PM »
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ESM has them coming out within the next few months.

More like a year away. 
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mmagliaro

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Re: alternative .553" 33" wheels.
« Reply #6 on: October 11, 2021, 06:37:12 PM »
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Oh yes, now I remember.  36" wheels hit the brake shoe detail on the trucks on the Rivarossi/ConCor cars, so I would assume the same problem would happen on the Atlas ones.  When the OP said they hit the frame, that led me to think it was something else.

peteski

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Re: alternative .553" 33" wheels.
« Reply #7 on: October 11, 2021, 07:26:14 PM »
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This problem (and the fix) seems similar to what I described in https://www.therailwire.net/forum/index.php?topic=49923.0
. . . 42 . . .

thomasjmdavis

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Re: alternative .553" 33" wheels.
« Reply #8 on: October 11, 2021, 08:58:09 PM »
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This problem (and the fix) seems similar to what I described in https://www.therailwire.net/forum/index.php?topic=49923.0
Just about exactly that. That will teach me for not publishing when I did my cars 10 years ago.
Tom D.

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peteski

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Re: alternative .553" 33" wheels.
« Reply #9 on: October 11, 2021, 09:04:00 PM »
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Just about exactly that. That will teach me for not publishing when I did my cars 10 years ago.

The important part (regardless of who published it here) is that the fix is available, well documented, and easy to implement.
. . . 42 . . .

thomasjmdavis

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Re: alternative .553" 33" wheels.
« Reply #10 on: October 11, 2021, 09:29:06 PM »
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The important part (regardless of who published it here) is that the fix is available, well documented, and easy to implement.
Agreed.  And a big improvement in appearance (along with adding some steps and knuckle couplers).
Tom D.

If you don't know what it is, don't throw it out.

SD452XR

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Re: alternative .553" 33" wheels.
« Reply #11 on: October 11, 2021, 11:49:43 PM »
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More like a year away.

Will be worth the wait 👍