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Old 09-20-2009, 08:46 AM   #1
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Default Smallest 48p spur available ?

Hello all

Since the "search" function doesn't work at all ( how come nobody does anything about it ? I have never been able to find anything with this function), I have to ask again this question :

where can I find the very best and smallest 48t spurs ?

I had one from a trade which was great until I ruined it : it was 63T and was obviously machined : very narrow and very quiet. But there was no brand name on it, so...

Something similar to this but down to 60T would be marvellous. Any suggestions ?
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Old 09-20-2009, 10:55 AM   #2
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anyone ?
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Old 09-20-2009, 11:48 AM   #3
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Robinson has 60 tooth http://www.robinsonracing.com/catalog/48pitchspur.html
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Old 09-20-2009, 12:17 PM   #4
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http://www.servocity.com/html/48_pit...ears__1_8.html
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Old 09-21-2009, 02:44 AM   #5
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Mac the Knife : thanks for the robinson link. I have several of them on a variety of cars and although a bit wide they are great. The problem is that on my tc3, they cannot be mounted as the center part is thinner than the outer diameter, hard to explain without speaking english really good.

Lutach : thanks for the link. Can you give me your feeling about these spur gears ? I'm wondering what "acetal" means, is it a sort of nylon? How does it wear ? Otherwise that's exactly what I was looking for : narrow (and cheap). Are they machined or moulded ? I guess they're moulded, for this price...

Do they spin really really true ?

Do you think I'll be able to dye it black without softening it ?

Thanks to both of you again for your help.

Last edited by heretic; 09-21-2009 at 03:24 AM.
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Old 09-21-2009, 07:29 AM   #6
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Acetal is Delrin,and I haven't had a problem yet with the robinson gears, the 60 tooth that I have is flat, the 64 that is on my TC3 right now is thinner, as you say, but widens back at the center hole. It sits flat on the gear hub.
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Old 09-21-2009, 12:11 PM   #7
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Quote:
Originally Posted by Mac The Knife View Post
Acetal is Delrin,and I haven't had a problem yet with the robinson gears, the 60 tooth that I have is flat, the 64 that is on my TC3 right now is thinner, as you say, but widens back at the center hole. It sits flat on the gear hub.
cool ! thanx again !

where do you order yours from ?
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Old 09-21-2009, 01:25 PM   #8
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BMI makes a 58 tooth spur.

http://www.bmiracing.com/webstore/ca...roducts_id=214
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Old 09-21-2009, 01:45 PM   #9
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I bought mine from the local hobby shop a few years ago, but just google RRP 1860, and they'll pop up.
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Old 09-22-2009, 10:07 AM   #10
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OK ! thank you.
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Old 09-22-2009, 03:28 PM   #11
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Quote:
Originally Posted by heretic View Post
Lutach : thanks for the link. Can you give me your feeling about these spur gears ? I'm wondering what "acetal" means, is it a sort of nylon? How does it wear ? Otherwise that's exactly what I was looking for : narrow (and cheap). Are they machined or moulded ? I guess they're moulded, for this price...

Do they spin really really true ?

Do you think I'll be able to dye it black without softening it ?
Acetal is a very durable type of plastic and it can only be machined from what I know. I have a few of them and it's been much better then any of the black plastic gears I used. They spin really true. I'm not sure if you can dye them, but I doubt as some of prototypes that I've seen had arms made out of it and they were white. You could send them an e-mail and ask if they can have some machined in black or you can go to https://sdp-si.com/eStore/ under Inch Unit, then Gears, then Spur Gears and choose Plastic. Use the drop down to select 48P, Hubless and the material.
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Old 09-24-2009, 01:00 PM   #12
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Lutach you da man !

My friend overrc.com also mentioned RW racing, for those who are interested...
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