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Meccano Gears - Reduction?
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Spokesmann
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PostPosted: Tue Feb 17, 2009 9:55 pm    Post subject: Reply with quote
This may be of interest...







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Scorpion2nz
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PostPosted: Thu Feb 19, 2009 5:28 am    Post subject: Reply with quote
nice simple differential but whats with the chain sprockets  Could you not fine those damn elusive brass collars Laughing  Laughing
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Spokesmann
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PostPosted: Thu Feb 19, 2009 6:22 am    Post subject: Reply with quote
Scorpion2nz wrote:
nice simple differential but whats with the chain sprockets  Could you not fine those damn elusive brass collars Laughing  Laughing


Didn't have any at the time. Laughing
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steamyjim
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PostPosted: Thu Feb 19, 2009 12:24 pm    Post subject: Reply with quote
So i'm not the only one to have trouble finding those brass collars?

I might have to machine myself some as I am realy running out Mad
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fcrammond
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PostPosted: Thu Feb 19, 2009 7:28 pm    Post subject: Reply with quote
Double lead worms? Not that I am aware of. I'm still trying to get my head around what advantage they would have.
F.
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fcrammond
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PostPosted: Thu Feb 19, 2009 7:31 pm    Post subject: Reply with quote
Collars are usually made by buying up aa load of old, battered pulleys and machining them down to size (also the brass bits of those useless black quarter inch plastic pinions after they have split )

F.
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8_10 Brass Cleaner
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PostPosted: Thu Feb 19, 2009 10:43 pm    Post subject: Reply with quote
fcrammond wrote:
Double lead worms? Not that I am aware of. I'm still trying to get my head around what advantage they would have.
F.


It would halve the reduction. Just wondered.

Perhaps I shall make one.

hmm

Now my brain hurts, could I just alter the pitch?
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Scorpion2nz
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PostPosted: Fri Feb 20, 2009 8:43 am    Post subject: Reply with quote
fcrammond wrote:
Collars are usually made by buying up aa load of old, battered pulleys and machining them down to size (also the brass bits of those useless black quarter inch plastic pinions after they have split )

F.


if it is plastic then not REAL meccano in my opinion  
no need to machine battered pulleys  just reclaim from old tin wheels
easier to cut to length  have a large bag here waiting to be dealt with
but then no rush as have more than sufficient collars
but might instead make some dog clutches
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