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| UK diy (uk.d-i-y) For the discussion of all topics related to diy (do-it-yourself) in the UK. All levels of experience and proficency are welcome to join in to ask questions or offer solutions. |
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#1
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Yard Brush
I think I need a new one - but it got me thinking - is there an optimum
bristle length - and why? |
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#2
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Yard Brush
On Wed, 27 May 2020 14:47:03 GMT, John wrote:
I think I need a new one - but it got me thinking - is there an optimum bristle length - and why? I think this could make a good doctoral thesis subject. What are wanting to sweep up? What surface are you trying to sweep? Inside on smooth vynl tiles and fine dry dust a 2 to 3" long soft bristol works well. Same length stiff bristles don't but outside with saw dust on ridged concrete (as left by the tamper to provide a little bit of grip) the stiff bristle brush does super job. -- Cheers Dave. |
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#3
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Yard Brush
On 27/05/2020 17:13, Dave Liquorice wrote:
On Wed, 27 May 2020 14:47:03 GMT, John wrote: I think I need a new one - but it got me thinking - is there an optimum bristle length - and why? I think this could make a good doctoral thesis subject. What are wanting to sweep up? What surface are you trying to sweep? Inside on smooth vynl tiles and fine dry dust a 2 to 3" long soft bristol works well. Same length stiff bristles don't but outside with saw dust on ridged concrete (as left by the tamper to provide a little bit of grip) the stiff bristle brush does super job. Leaf Blower :-) |
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#4
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Yard Brush
On 27/05/2020 15:47, John wrote:
I think I need a new one - but it got me thinking - is there an optimum bristle length - and why? it is promounced yerd brush in Glasgow .... -- This email has been checked for viruses by AVG. https://www.avg.com |
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#5
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Yard Brush
On Wednesday, 27 May 2020 15:47:07 UTC+1, John wrote:
I think I need a new one - but it got me thinking - is there an optimum bristle length - and why? Yes, and it's linked to the Rayleigh damping coefficient of the material, the speed and force of brushing, and the surface material. Owain |
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#6
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Yard Brush
On Wednesday, 27 May 2020 17:13:45 UTC+1, Dave Liquorice wrote:
I think I need a new one - but it got me thinking - is there an optimum bristle length - and why? I think this could make a good doctoral thesis subject. Been done, at least in part. https://ethos.bl.uk/OrderDetails.do?...l.ethos.442887 Dynamics and performance of oscillatory gutter brushes for street sweeping http://epubs.surrey.ac.uk/844307/ A general theory for channel brush design for street sweeping. John Chew at Surrey seems to be the man to go to for brushes and brush seals Owain |
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#7
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Yard Brush
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#8
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Yard Brush
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#9
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Yard Brush
"Jim GM4DHJ ..." wrote in message ... On 27/05/2020 15:47, John wrote: I think I need a new one - but it got me thinking - is there an optimum bristle length - and why? it is promounced yerd brush in Glasgow .... Told you you buggers need subtitles. |
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#10
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Lonely Cantankerous Auto-contradicting Senile Ozzie Troll Alert! LOL
On Thu, 28 May 2020 06:59:33 +1000, cantankerous trolling geezer Rodent
Speed, the auto-contradicting senile sociopath, blabbered, again: FLUSH the trolling senile asshole's latest troll**** unread -- Website (from 2007) dedicated to the 86-year-old trolling senile cretin from Oz: https://www.pcreview.co.uk/threads/r...d-faq.2973853/ |
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#11
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Yard Brush
On 27/05/2020 21:59, Rod Speed wrote:
"Jim GM4DHJ ..." wrote in message ... On 27/05/2020 15:47, John wrote: I think I need a new one - but it got me thinking - is there an optimum bristle length - and why? it is promounced yerd brush in Glasgow .... Told you you buggers need subtitles. very true..... https://www.youtube.com/watch?v=J7sy10rV-IQ -- This email has been checked for viruses by AVG. https://www.avg.com |
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#12
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Yard Brush
On 27/05/2020 21:59, Rod Speed wrote:
"Jim GM4DHJ ..." wrote in message ... On 27/05/2020 15:47, John wrote: I think I need a new one - but it got me thinking - is there an optimum bristle length - and why? it is promounced yerd brush in Glasgow .... Told you you buggers need subtitles. https://www.youtube.com/watch?v=uXFcxsKcMrI -- This email has been checked for viruses by AVG. https://www.avg.com |
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#13
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Yard Brush
On 28/05/2020 09:32, Jim GM4DHJ ... wrote:
On 27/05/2020 21:59, Rod Speed wrote: "Jim GM4DHJ ..." wrote in message ... On 27/05/2020 15:47, John wrote: I think I need a new one - but it got me thinking - is there an optimum bristle length - and why? it is promounced yerd brush in Glasgow .... Told you you buggers need subtitles. https://www.youtube.com/watch?v=uXFcxsKcMrI https://www.youtube.com/watch?v=9nLz5a8lHmw -- This email has been checked for viruses by AVG. https://www.avg.com |
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#14
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Yard Brush
On 27/05/2020 15:47, John wrote:
I think I need a new one - but it got me thinking - is there an optimum bristle length - and why? I've found with brushes the main difference is the bristle material and their spacing. I recently purchased a a brush with very stiff plastic bristles and its absolute crap for sweeping. There isn't enough flex in the bristles and the head tends to skip over the surface. In addition soft brush for light dry dust and a stiff brush for wet compacted dirt (unless using a lot of water to help shift the muck) -- mailto : news {at} admac {dot} myzen {dot} co {dot} uk |
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#15
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Yard Brush
On 28/05/2020 09:32, Jim GM4DHJ ... wrote:
On 27/05/2020 21:59, Rod Speed wrote: "Jim GM4DHJ ..." wrote in message ... On 27/05/2020 15:47, John wrote: I think I need a new one - but it got me thinking - is there an optimum bristle length - and why? it is promounced yerd brush in Glasgow .... Told you you buggers need subtitles. https://www.youtube.com/watch?v=uXFcxsKcMrI https://www.youtube.com/watch?v=uFubsxHTApw -- This email has been checked for viruses by AVG. https://www.avg.com |
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#16
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Yard Brush
On 28/05/2020 09:32, Jim GM4DHJ ... wrote:
On 27/05/2020 21:59, Rod Speed wrote: "Jim GM4DHJ ..." wrote in message ... On 27/05/2020 15:47, John wrote: I think I need a new one - but it got me thinking - is there an optimum bristle length - and why? it is promounced yerd brush in Glasgow .... Told you you buggers need subtitles. https://www.youtube.com/watch?v=uXFcxsKcMrI https://www.youtube.com/watch?v=Ug83fGYm-YI -- This email has been checked for viruses by AVG. https://www.avg.com |
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#17
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Yard Brush
On 28/05/2020 09:15, Jim GM4DHJ ... wrote:
On 27/05/2020 21:59, Rod Speed wrote: "Jim GM4DHJ ..." wrote in message ... On 27/05/2020 15:47, John wrote: I think I need a new one - but it got me thinking - is there an optimum bristle length - and why? it is promounced yerd brush in Glasgow .... Told you you buggers need subtitles. very true..... https://www.youtube.com/watch?v=J7sy10rV-IQ https://www.youtube.com/watch?v=DZvCkRox16o |
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#18
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Yard Brush
"Jim GM4DHJ ..." wrote in message ... On 28/05/2020 09:15, Jim GM4DHJ ... wrote: On 27/05/2020 21:59, Rod Speed wrote: "Jim GM4DHJ ..." wrote in message ... On 27/05/2020 15:47, John wrote: I think I need a new one - but it got me thinking - is there an optimum bristle length - and why? it is promounced yerd brush in Glasgow .... Told you you buggers need subtitles. very true..... https://www.youtube.com/watch?v=J7sy10rV-IQ https://www.youtube.com/watch?v=DZvCkRox16o That little kid speaks two languages better than you two do. |
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#19
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Lonely Cantankerous Auto-contradicting Senile Ozzie Troll Alert! LOL
On Fri, 29 May 2020 07:49:20 +1000, cantankerous trolling geezer Rodent
Speed, the auto-contradicting senile sociopath, blabbered, again: FLUSH the trolling senile asshole's latest troll**** unread -- John addressing the senile Australian pest: "You are a complete idiot. But you make me larf. LOL" MID: |
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#20
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Yard Brush
On Thursday, May 28, 2020 at 9:36:12 AM UTC+1, alan_m wrote:
On 27/05/2020 15:47, John wrote: I think I need a new one - but it got me thinking - is there an optimum bristle length - and why? I've found with brushes the main difference is the bristle material and their spacing. I recently purchased a a brush with very stiff plastic bristles and its absolute crap for sweeping. There isn't enough flex in the bristles and the head tends to skip over the surface. In addition soft brush for light dry dust and a stiff brush for wet compacted dirt (unless using a lot of water to help shift the muck) -- mailto : news {at} admac {dot} myzen {dot} co {dot} uk Thats a pull behind brush. No good for pushing |
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#21
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Yard Brush
On Wednesday, May 27, 2020 at 3:47:07 PM UTC+1, John wrote:
I think I need a new one - but it got me thinking - is there an optimum bristle length - and why? Have a look here http://hgrant-brushmakers.co.uk/category/8/janitorial |
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