The design and specifications are not perfected yet, but yesterday I achieved an ember in 9 seconds.
I hope this size and design will be good for teaching fire by friction as I find they struggle to achieve sufficient pressure on a full sized set.Sunday, 6 January 2008
Pocket bow-drill
I am now working on producing a mini or pocket bow-drill based on my larger version here
The design and specifications are not perfected yet, but yesterday I achieved an ember in 9 seconds.
I hope this size and design will be good for teaching fire by friction as I find they struggle to achieve sufficient pressure on a full sized set.
The design and specifications are not perfected yet, but yesterday I achieved an ember in 9 seconds.
I hope this size and design will be good for teaching fire by friction as I find they struggle to achieve sufficient pressure on a full sized set.
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Hello
My name is Susan Harwood.
I'm contacting people who list ‘the environment ‘as an interest on their 'blogger's profile'.
I have a new blog called
SHOUTING AT THE RADIO
It is concerned with the environment, building, architecture, politics and education.
It can be found at
http://shoutingattheradio.blogspot.com/
It is in its very early stages just yet - so comments will be especially welcome!
Yours sincerely
Susan Harwood
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