Was Robertson a Canadian? Perhaps the "not invented here" factor came into play. I don't remember them being widely popular in the UK either
-- Jonathan Indigo C&C 35III SOUTHPORT CT On Nov 8, 2013, at 11:07, Steve Thomas <sthom...@sympatico.ca> wrote: > "common driver" > > Robertson head screws are common here. > Don't know why they never caught on in the States. > > Steve > > -----Original Message----- > From: CnC-List [mailto:cnc-list-boun...@cnc-list.com]On Behalf Of Indigo > Sent: Friday, November 08, 2013 10:52 AM > To: cnc-list@cnc-list.com > Subject: Re: Stus-List Anchoring floorboards - was Re: floorboards > > If the objective is to be able to get the floorboards up quickly, I would be > very reluctant to use any fastening that can't be undone with a common > driver ( kept in my case in the top drawer of the chart table) or with no > tools at all > > My 2cents fwiw > > Jonathan > Indigo > > -- > Jonathan > Indigo C&C 35III > SOUTHPORT CT > > On Nov 8, 2013, at 8:05, Steve Thomas <sthom...@sympatico.ca> wrote: > >> Robertson head screws are much less likely to deform so that you can't >> remove them, so long as you don't use an undersize screwdriver. You are less >> likely to have to resort to some sort of alternate extraction device with >> Robertson head screws. They are way better than Phillips or slot heads in >> transferring torque from the screwdriver to the screw. In my opinion they >> are better in all applications except for assembly line work, where speed of >> assembly is the overriding concern, and where the engineers don't care if it >> is later difficult to remove them. The only thing I would do is make sure >> that they are stainless or bronze, and check them once in a while if you are >> concerned that they will fill up with dirt. That is not something that is >> likely to happen quickly. >> >> Virtually every screw used to fasten anything that is connected to the hull >> of my boat has required re-tightening at some time. There must be a lot of >> flexing going on that is not obvious when actually sailing the boat. >> >> Steve Thomas >> 1978 C&C MKIII >> >> -----Original Message----- >> From: CnC-List [mailto:cnc-list-boun...@cnc-list.com]On Behalf Of M Bod >> Sent: Friday, November 08, 2013 7:11 AM >> To: C&C list >> Subject: Stus-List Anchoring floorboards - was Re: floorboards >> >> This discussion leads me to a question. >> >> Looking at the CS 30 I had a really tough time getting under the floorboards >> - the Robertson head screws were full of dirt an it was very difficult to >> get many of the screws out. >> I had to use a little dental tool I'd brought with me to gouge the dirt out >> of each hole to make space for the screwdriver head. >> I'd hate to be trying to do that if I was in an emergency that necessitated >> access! >> >> Any better suggestions? Would you just go with a slot screw? Any better >> ideas - still seems to me you might be frantically trying to find a problem >> and the sheer number of screws could be overwhelming. >> >> Mark > _______________________________________________ > This List is provided by the C&C Photo Album > http://www.cncphotoalbum.com > CnC-List@cnc-list.com
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