Espritmodel.com Telemetry Radio
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Old Jan 27, 2013, 03:27 AM
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I bought some wire (partly heat bondable) from
http://www.spulen.com
Depending on the amount you need shipping might be a problem for you.
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Old Jan 27, 2013, 06:24 AM
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EUR 17.85 shipping and they probably don't accept card payments.
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Old Jan 28, 2013, 09:41 AM
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Hay epilot so I'm just abought to get some wire from the site you suggested and I'm looking at the 0.05mm wire and at the bottom of its page it says wire resistance is 8.70 ohms per metre am I right in thinking I could simply use that to just say 17 metre of wire to make a actuator coil with resistance of 150ohms?
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Old Jan 28, 2013, 01:19 PM
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Yup, that's the way it works.
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Old Jan 28, 2013, 01:39 PM
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Quote:
Originally Posted by epilot View Post
Yup, that's the way it works.
Sweet that sounds almost to simple, I stand to save a fair bit of money this way must be able to make loads from 250g spool, thanks again for all the help ill post some pics when I've had sone luck makeing coils I can use
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Old Jan 28, 2013, 03:05 PM
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What will you use to bond the coils?
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Old Jan 29, 2013, 06:22 AM
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lsa
Quote:
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What will you use to bond the coils?
I should have thought CA or balsa cement I'm gonna have to go the low tech winding round a straw technique,was looking at mandles that look like thay could be a possibility for Easyer winding but haven't seen any one try that low tech is often good for me so I'll have to risk the straws
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Old Jan 29, 2013, 06:34 AM
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CA is a bad choice. It's difficult to control and you easily end up adding too much weight. Polyurethane varnish or thinned down epoxy works better in my experience.
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Old Jan 29, 2013, 07:04 AM
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Ok thanks for that, so balsa cement a bad option to, was thinking as its ment to be movable after if a mistake is made with acetone
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Old Jan 29, 2013, 08:56 AM
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Acetone can potentially remove the coating on the wires so you get shorts in the coil. I have never tried balsa cement.
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Old Jan 30, 2013, 07:17 AM
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ok ive ordered some wire , amazingly ebay have some as well but not as good value as wires.co.uk, ive read somewhere on this forum that balsa cement works and nail varnish and as im gonna try the low budget option of straws and hand winding i may as well find out for my self , with so much wire on a spool im sure ill get the practice
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Old Jan 30, 2013, 06:47 PM
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It will be interesting to find out if the nail polish works, the thinner in the paint might take off the coating on the wire though. I have read that thinned wood glue works best but i have yet to try it.
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Old Jan 31, 2013, 05:01 AM
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I plan to try many combinations and I'll list what I've found best, I did read somewhere on here abought a man using nail polish for his actuators so I'll give it a try
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Old Jan 31, 2013, 05:55 PM
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[QUOTE=epilot;23919250]Magnets can be had at very good prices from here: http://www.supermagnetman.net/
Good, friendly service and low prices.

The wire from the site you mention is not heat bondable so you will be adding a bit of weight to your coils in the form of glue or lacquer to hold them together. No need to buy from the US, we have a good supplier of wire in the UK: http://www.wires.co.uk/acatalog/SX_0032_0090.html

The thinnest heat bondable they do is 0.08mm which is too thick for the coils you want to make.[QUOTE]
Hiya epilot, I received my wire today very quickly as well, and I have what I think maybe a daft question, as the wire is its a single long strand and I need to wind it together, do I use to separate strands and wind them or one long twisted strand with a loop as such at one end and if I the second idears is right then to make the coils I'm gonna attempt
i'll still need roughly 17 metres of twisted wire, I know this seems daft but just checking any help would be appreciated
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Old Jan 31, 2013, 06:58 PM
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I'm sorry, I don't understand what you are asking.

You wind the 17m length of wire onto a spool. Each end of the wire connects to the receiver.
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