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  #81  
Old 08-18-2015, 02:59 PM
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Default Re: Snow Trac replacement BRONZE drive sprockets

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Originally Posted by couchloafer View Post
Sorry all I have been busy. I will try to get to the foundry next week and see what they say about the molds I have.
That would be great,
If we don't have to start over all the better
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  #82  
Old 08-23-2015, 04:52 AM
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Default Re: Snow Trac replacement BRONZE drive sprockets

Put me down for a set of the later model type if you can get this worked out. For the right deal, I might buy 2 sets.
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  #83  
Old 08-23-2015, 09:53 PM
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Default Re: Snow Trac replacement BRONZE drive sprockets

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Originally Posted by couchloafer View Post
Sorry all I have been busy. I will try to get to the foundry next week and see what they say about the molds I have.
If they give you static or you don't have the time to deal with them.

Send them this way, I feel real good about the foundry (union Brass and aluminum) here in WI.

The pattern Guy, can rework anything they would need.

As boggie stated anything is better than starting over.

Just to recap, With a dimensioned drawing, a production grade mold was 1600.
Mikes $.02
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  #84  
Old 08-25-2015, 01:50 PM
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Default Re: Snow Trac replacement BRONZE drive sprockets

Winter is coming. I'm getting nervous about finding a new set of sprockets before the snow flies.
Count me in as one that needs a set for the older two band style.
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  #85  
Old 08-26-2015, 02:22 PM
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Default Re: Snow Trac replacement BRONZE drive sprockets

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Originally Posted by couchloafer View Post
Sorry all I have been busy. I will try to get to the foundry next week and see what they say about the molds I have.
.

Excellent. I also have a friend who will be getting a set of CAD drawings so we can produce the "plastic" ones. Are these the molds Lyndon had made?
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  #86  
Old 08-26-2015, 02:23 PM
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Default Re: Snow Trac replacement BRONZE drive sprockets

The ones Lyndon produced were very beefy!
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  #87  
Old 08-27-2015, 02:39 AM
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Smile Re: Snow Trac replacement BRONZE drive sprockets

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Originally Posted by Snowcat Operations View Post
.

Excellent. I also have a friend who will be getting a set of CAD drawings so we can produce the "plastic" ones. Are these the molds Lyndon had made?
Working on the layout now for the ST-30A ...
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  #88  
Old 08-27-2015, 09:37 AM
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Default Re: Snow Trac replacement BRONZE drive sprockets

did you put in the centering tabs for the st4 center drums?
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  #89  
Old 08-27-2015, 12:59 PM
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Default Re: Snow Trac replacement BRONZE drive sprockets

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did you put in the centering tabs for the st4 center drums?
The initial idea is to make the tooth profile as thick as possible and cut a circular groove in the side of the sprocket for the drum to fit into instead of using the centering tabs. Will have to see how that works out on a prototype...
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  #90  
Old 09-18-2015, 01:48 PM
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Default Re: Snow Trac replacement BRONZE drive sprockets

Is anyone having any luck with getting new sprockets made yet?
I wouldn't mind doing some leg work if it will help. I'm near Portland and if I had a good sprocket I bet I could find a place to make some. But if others are already working on it, I'd rather go with that.
Winters real close now, I can feel it in the air. But I really need to get new sprockets before I feel comfortable taking out the snow trac for longer rides as my hard steel ones are wearing away my grousers.
Used, remanufactured, anything at this point would help.

Sprockets....anyone....two band style?
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  #91  
Old 10-28-2015, 07:26 PM
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Default Re: Snow Trac replacement BRONZE drive sprockets

Bump. any results to pass on?
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  #92  
Old 10-28-2015, 10:53 PM
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Default Re: Snow Trac replacement BRONZE drive sprockets

From what I am told the cad drawing are just about done will keep you posted
Thanks for the bump!
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  #93  
Old 11-06-2015, 05:29 PM
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Default Re: Snow Trac replacement BRONZE drive sprockets

Found a forge that is going to make me the drive sprockets out of silicon bronze. They are going to produce 8 for me and was wondering how many more to make for the rest of the snow trac group. I have a brand new factory made drive that I am using as the timplete.
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  #94  
Old 11-06-2015, 05:41 PM
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Default Re: Snow Trac replacement BRONZE drive sprockets

I would like 4 for the 2 band model. Any idea of cost, timing etc? Thanks!!
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  #95  
Old 11-06-2015, 06:14 PM
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Default Re: Snow Trac replacement BRONZE drive sprockets

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Originally Posted by thumper View Post
Found a forge that is going to make me the drive sprockets out of silicon bronze. They are going to produce 8 for me and was wondering how many more to make for the rest of the snow trac group. I have a brand new factory made drive that I am using as the timplete.
find out how much I also need 4 for the 2 band tracks
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  #96  
Old 11-07-2015, 07:10 AM
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Default Re: Snow Trac replacement BRONZE drive sprockets

Price on 4 please, 2 band
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  #97  
Old 11-07-2015, 01:51 PM
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Default Re: Snow Trac replacement BRONZE drive sprockets

As of right now they are going to produce them with the set up cost for $285.00 each with out the shipping included. Now saying that the cost would go down with more being made. The making of the sprockets takes about three weeks after they have the timplete built (2 weeks to produce at a one time expense). So the first batch being done at the earliest going forward would be about six weeks out. I am not here to make any money on this but just to help facilitate a need. I will not be buying sprockets for everybody but will give you the information to get them your selves. The more that is being made at one time the cost will drop. By how much depends on how many are being cast at one given time.
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  #98  
Old 11-07-2015, 03:01 PM
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Default Re: Snow Trac replacement BRONZE drive sprockets

Out of all the "i know someone..." this seems to be the closest we have since Northpole closed shop. Thank you Thumper. I was hoping to keep it below $1K US for the set, and I do have some angst about making certain they will work (I have a 3 band). But unless someone else can give a solid here they are...
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  #99  
Old 11-08-2015, 02:20 AM
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Default Re: Snow Trac replacement BRONZE drive sprockets

I have a 3 belt model. If these sprockets would work, I'll buy a set.
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  #100  
Old 11-08-2015, 06:39 PM
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Default Re: Snow Trac replacement BRONZE drive sprockets

Thumper where are you, or the foundry (zip code is good enough) just kicking logistics.

I am another set, maybe two. , depends on shipping.

I am in 54130, the local non-ferrous foundry here, Union Brass, will hand mold four sprockets ($500) and pour for $3.00 per pound.

use that info to price check your guy.

FWIW "If I had a new OEM sprocket, I would have poured some by now. I visited a corn and bean farmer two times in the last 16 months and forgot to bring that damn sprocket home all three times."

Last edited by redsqwrl; 11-08-2015 at 06:50 PM.
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