[Ronja] Plastic bolt availability

[Sean Ramdeholl]

Standardized special screws exclusively emphasized in various, such as plastic screws...:
http://www.e-nedzi.com/product/spvc-h/index_en.html


Sean Ramdeholl

--- On Fri, 11/7/08, Bruce M Simpson <bms at incunabulum.net> wrote:
From: Bruce M Simpson <bms at incunabulum.net>
Subject: Re: [Ronja] Plastic bolt availability
To: "Twibright Ronja" <ronja at lists.pointless.net>
Date: Friday, November 7, 2008, 6:40 PM

Karel Kulhavy wrote:
> Hello
>
> I have created a special coil for Ronja RX which improves the range.
It's made of
> 3 M5x40 plastic screws, cable ties and 0.3mm diameter enamel copper wire.
Are M5x40 or longer plastic screws available at your place?
>   
http://uk.farnell.com/allthread/306-2685/screw-kit-cheese-head-m5-sizes/dp/3062685
 is this it?

this chap seems to have M5x40 as Nylon under model fixings:
http://www.modelfixings.co.uk/nylon_screws.htm

various 0.2mm copper wire available on farnell...

> The coil is wonderful has 2.63uH and 1.26pF, always the same, because they
are
> defined by the exact geometry of the thread. It gives 5dB more gain
compared to Bourns
> coil 1.5uH/0-3.45pf and doesn't suffer from Barkhausen noise!
>
> In case these M5 are not available worldwide someone will have to buy a
bag and send them with TX diodes or RX PCB's.
>   

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