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Tam Valley no longer in deadrail.
 Moderated by: W C Greene Page:  First Page Previous Page  1  2  3  4  5  6  7  8  9  Next Page Last Page  
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 Posted: Tue Oct 31st, 2017 03:21 am
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jtrain
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Most blogs are a waste of time, that's why I find it hard to get one going, the subject needs to be interesting and the author needs to have access to interesting things.

Bob can do as he wants, I'm just putting it out there that expecting a thread to always be on topic, always be helpful, always be concise and well written, and always interesting is unrealistic.  You can't have it all.
--James

Last edited on Tue Oct 31st, 2017 03:29 am by jtrain



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James W.

New Blog (permanent this time)

blackhillsrr.blogspot.com
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 Posted: Tue Oct 31st, 2017 03:31 am
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W C Greene
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Howdy Tony, I believe a blog is a muddy hole which the unfortunate animal can get swallowed up when walking across. Or is that a bog? Well, it's about the same thing.
BTW, humor is a great thing, we all need some. It could keep us from falling into any blogs.

Woodie



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 Posted: Tue Oct 31st, 2017 03:40 am
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Si.
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" expecting a thread to always be on topic, always be helpful, always be concise and well written, and always interesting is unrealistic."



The ol' stone-age saying comes to mind here ...

... 'It is what it is'



Now where's that Mastodon soup Woodie put on the cooker ? L:



:brill:



Albert



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' Mysterious Moose Mountain ' - 1:35n2 - pt.II
http://www.freerails.com/view_topic.php?id=7318&forum_id=17&page=1

' M:R:W Motor Speedway !!! ' - 1:32 Slotcar Racing Layout
http://www.slotforum.com/forums/index.php?showtopic=59295&st=0&a
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 Posted: Tue Oct 31st, 2017 08:24 pm
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Si.
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Hi Guys :wave:



BTW ... I'm just a 'gobby git from South London' (a friends description !) :P

So don't listen to my drivel.



I do think 'focused' how-to-do-it Threads are a great idea.

When I install my 'FlySky' stuff, I would like to try and do one on that system myself.



As a thought on how to Post such a how-to-do-it Thread ...

... I wondered about how to get all the important info on the 1st Page.



eg. I thought perhaps an initial Post on the 1st Page of simply numbers 1-10 to start with.

The Poster can easily Edit the 10 Posts on the 1st Page, as they wish.

Adding photos, descriptions etc. etc.



Any comments can then follow on further Pages, without 'cluttering' the meat & potatoes.



Also, if anyone wants to 'dig up' some focused & technical Threads from the R.C. Forum archive ...

... please do so.

BUMP 'em up the Board to the top.

If they are 'super relevant', they CAN be made a 'Sticky' if popularity demands this.



All thoughts welcome as per usual !



:old dude: " I remember South London in my yooof when folks were POLITE ! " ;)



Si.




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' Mysterious Moose Mountain ' - 1:35n2 - pt.II
http://www.freerails.com/view_topic.php?id=7318&forum_id=17&page=1

' M:R:W Motor Speedway !!! ' - 1:32 Slotcar Racing Layout
http://www.slotforum.com/forums/index.php?showtopic=59295&st=0&a
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 Posted: Tue Oct 31st, 2017 08:36 pm
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Rod Hutchinson
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It is just a hobby.



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Rod Hutchinson
Mooroolbark, Australia
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 Posted: Tue Oct 31st, 2017 08:47 pm
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Si.
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Yep !



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' Mysterious Moose Mountain ' - 1:35n2 - pt.II
http://www.freerails.com/view_topic.php?id=7318&forum_id=17&page=1

' M:R:W Motor Speedway !!! ' - 1:32 Slotcar Racing Layout
http://www.slotforum.com/forums/index.php?showtopic=59295&st=0&a
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 Posted: Wed Nov 1st, 2017 12:47 pm
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Bob D
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I fully get and understand what everyone is saying, just don't treat these questions like they're coming from a 2-yr old. plus I'm pretty good at going off the rails while posting on these topics [whack]

I agree with the comments on blogs, they're a one-way street from what I've seen.

Seriously, I doubt I'll ever give some of these "toy" RC systems a try, DavidTs Rx65b works extremely well, plus I've installed enough of them now I (think) I know what I'm doing. The only bad thing is my LHS (Debbies RC World) has shutdown, now the only place to go is Hobbytowne USA, or online to get connectors and such for installs.



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O-SCALE BPRC
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 Posted: Wed Nov 1st, 2017 01:34 pm
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bobquincy
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Meanwhile, back to Tam Valley...

The Tam Valley system is a good idea, merging inexpensive 900 MHz band RC with commercially available DCC decoders.  The downside is also that it uses commercial DCC decoders.

Transmitting the data and then passing it to a commercial DCC decoder is great for compatibility but requires voltage levels that are not compatible with the receiver.  Commercial decoders must meet the DCC standard so they have to receive a signal with a minimum of +/- 7 V.  A DCC decoder that operates at receiver voltage would be preferable.  Semi-commercial decoders will work with 3-5 V, negating the need for a voltage level shifter circuit (H-bridge)

Using a low voltage motor driver (and motor) could allow the system in the locomotive to be powered by a single LiPo or 2-3 NiMH cells.
The standard DCC protocol would still be used for compatibility, with decoders based on MERG or PIC designs.



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 Posted: Wed Nov 1st, 2017 03:22 pm
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davecttr
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Well it was my fault for trying to be helpful. The topic on another forum was about choosing between DC and DCC for a new smallish terminus to fiddle yard layout with only 1 loco in service. I suggested trying BPRC  and suggested that the components could be sourced for about £120 which they can. Someone else than said they would try it if it could be done at that price. I pointed out that for testing choosing a loco with plenty of space inside would be best and which loco was he interested in. The answer was a tiny 00 scale saddle tank loco drawing 60mA and with 2 voids in the body, 9x20x25mm bunker and 3x20x55 saddle tank.
I know that I do not have the manual dexterity to do such a job although a 130mAh bare tabbed cell would fit in the bunker and a Deltang Rx-63 in the tank. You could fit a voltage regulator in the tank as well. Drawing 60 mA would give up to 2 hours use on 130mAh but he wants a dead crawl eg BEMF
now how do I get out of this one?
I can see this going something like - DCC could do it so BPRC is no good and I fell for it, sorry folks.



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 Posted: Wed Nov 1st, 2017 03:35 pm
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bobquincy
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@davecttr

MichaelM has a rail truck that runs at a top speed of 12 inches every 13 minutes. Is that an acceptable dead crawl? ;)

boB



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