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piglet View Drop Down
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    Posted: 08 Aug 18 at 12:16pm
Originally posted by A2Z

Why not offer as a cost option? They are definitely selling fewer though.
Cost option on injection moulding would be fortunes.
Toppers are not getting the sales to justify running colour choices.
The boat has become a victim of it's innovative production method. 
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RS400atC View Drop Down
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Posts: 3011 		Post Options Post Options   Quote RS400atC Quote  Post ReplyReply Direct Link To This Post Posted: 08 Aug 18 at 12:37pm
Originally posted by piglet

Originally posted by A2Z

Why not offer as a cost option? They are definitely selling fewer though.
Cost option on injection moulding would be fortunes.
Toppers are not getting the sales to justify running colour choices.
The boat has become a victim of it's innovative production method. 

I wonder how many other plastic mouldings are still on the market unchanged after 40 years?
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turnturtle View Drop Down
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Posts: 2538 		Post Options Post Options   Quote turnturtle Quote  Post ReplyReply Direct Link To This Post Posted: 08 Aug 18 at 1:03pm
well someone has to mention washing up bowls, if only to answer the question above, rather than any derogatory connotation.  ;-)
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RS400atC View Drop Down
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Posts: 3011 		Post Options Post Options   Quote RS400atC Quote  Post ReplyReply Direct Link To This Post Posted: 08 Aug 18 at 3:12pm
Originally posted by turnturtle

well someone has to mention washing up bowls, if only to answer the question above, rather than any derogatory connotation.  ;-)


Washing up bowls are probably moulded lighter now than 40 years ago!
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jeffers View Drop Down
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Posts: 3048 		Post Options Post Options   Quote jeffers Quote  Post ReplyReply Direct Link To This Post Posted: 08 Aug 18 at 3:42pm
Originally posted by RS400atC

Originally posted by turnturtle

well someone has to mention washing up bowls, if only to answer the question above, rather than any derogatory connotation.  ;-)


Washing up bowls are probably moulded lighter now than 40 years ago!

does that put them out of class then.....
Paul
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turnturtle View Drop Down
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Posts: 2538 		Post Options Post Options   Quote turnturtle Quote  Post ReplyReply Direct Link To This Post Posted: 08 Aug 18 at 3:50pm
Originally posted by jeffers

Originally posted by RS400atC

Originally posted by turnturtle

well someone has to mention washing up bowls, if only to answer the question above, rather than any derogatory connotation.  ;-)


Washing up bowls are probably moulded lighter now than 40 years ago!

does that put them out of class then.....

no sssh, there's a conspiracy don't ya know.
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zippyRN View Drop Down
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Posts: 437 		Post Options Post Options   Quote zippyRN Quote  Post ReplyReply Direct Link To This Post Posted: 09 Aug 18 at 11:36am
Originally posted by piglet

Originally posted by A2Z

Why not offer as a cost option? They are definitely selling fewer though.
Cost option on injection moulding would be fortunes.
Toppers are not getting the sales to justify running colour choices.
The boat has become a victim of it's innovative production method. 

I think you are pretty much on the mark there ...  If an early Topper has been stored properly  there  is little or nothing to degrade in the hull  

wooden  or fibre (and foam) + resin composite  boats will degrade over time  regardess of how well care for  ( possible exception beign if  they are  dry sailed and  stored  at  'cellar' temperatures  (i.e. indoors ,  reduced temperature range, controlled humidity ) 
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JimC View Drop Down
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Posts: 6662 		Post Options Post Options   Quote JimC Quote  Post ReplyReply Direct Link To This Post Posted: 09 Aug 18 at 12:55pm
I don't know what the long term life of the Topper plastics is, but when I worked with PVC decades ago stopping the material just disintegrating on its own without external assistance was a significant problem, requiring all sorts of additives. What's more many of the most effective ones are now illegal. A lot of plastics do their best to reduce themselves back to crude oil given enough time. Go ask a museum curator about conservation of plastics! https://www.getty.edu/conservation/publications_resources/newsletters/pdf/v29n1.pdf

Edited by JimC - 09 Aug 18 at 1:36pm
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zippyRN View Drop Down
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Posts: 437 		Post Options Post Options   Quote zippyRN Quote  Post ReplyReply Direct Link To This Post Posted: 10 Aug 18 at 1:19am
looking  quickly  it seems most of the work on PP degradation is one thin films  not the chunky  injection moulded  strautures  like Toppers 
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423zero View Drop Down
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Posts: 3420 		Post Options Post Options   Quote 423zero Quote  Post ReplyReply Direct Link To This Post Posted: 10 Aug 18 at 8:29am
Most of the development money appears to be being spent on time delayed degradation.
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