[Public-List] Main Sail Track Fasetening

Gordon Laco mainstay at csolve.net
Mon Oct 19 18:23:05 PDT 2009 

Ah Peter you are becoming a mainlander... I was on The Rock with the  
Navy this summer and the way people in the Port Club pub at Port au  
Basques told it, they LET Canada join them in '49.

;) Gord




On 19-Oct-09, at 9:17 PM, Peter Milley wrote:

> Roger,
> Well there are 9 provinces for sure. Newfoundland, my native  
> province, only
> entered confederation in name and not in spirit. Dammed mainlanders  
> trying
> to steel our oil revenues!
> Peter
>
> -----Original Message-----
> From: public-list-bounces at lists.alberg30.org
> [mailto:public-list-bounces at lists.alberg30.org] On Behalf Of Roger L.
> Kingsland
> Sent: October 19, 2009 7:30 PM
> To: 'Alberg 30 Public List -- open to all'
> Subject: Re: [Public-List] Main Sail Track Fasetening
>
> Peter & Gord,
>
> Golly, I have been using them for years and just called them square  
> heads or
> finish screws (the ones w/ small heads).  Most of the SS "deck"  
> screws I use
> instead of the cheap drywall screws have square heads.  Good to know  
> the
> correct name.
>
> Roger 148
>
> PS - Does Canada really have 10 provinces?
>
>
>
> -----Original Message-----
> From: public-list-bounces at lists.alberg30.org
> [mailto:public-list-bounces at lists.alberg30.org] On Behalf Of Peter  
> Milley
> Sent: Monday, October 19, 2009 6:51 PM
> To: 'Alberg 30 Public List -- open to all'
> Subject: Re: [Public-List] Main Sail Track Fasetening
>
> Hi Gord,
> Yet another history lesson for our Yankee neighbours. Even the average
> school kid here knows that a Robertson screw is the "square head".
> With the price of the dollar approaching parity the Yanks should  
> seriously
> consider becoming our 11th province. They sail our Whitby boats, use  
> our
> Robertson screws; why not jump in with both feet.
> That would make "Old King George sit up in his grave!
> Peter
>
> -----Original Message-----
> From: public-list-bounces at lists.alberg30.org
> [mailto:public-list-bounces at lists.alberg30.org] On Behalf Of Gordon  
> Laco
> Sent: October 19, 2009 5:16 PM
> To: Alberg 30 Public List -- open to all
> Subject: Re: [Public-List] Main Sail Track Fasetening
>
> Hi Roger... that thing about the Robertsons is only partly true.
>
> The Roberston uses a genuine square recess.  You can put it on a  
> driver
> (hand or power) and it will stay there as you place the tip in  
> position.  So
> long as you use the right sized driver, they won't slip.  The  
> Philips head
> is  the horrible cross slot thing that slips like crazy and won't  
> stay on a
> driver.
>
> The reference to Henry Ford is true... but there is a post script.
> Recognizing that the Robertson was a superior fastener, he specified
> them in his cars.  But, he wanted to buy out Mr Robertson's patent.
> This was something Robertson refused to do.  Ford set out to  
> bankrupt him
> and nearly did, but the company survived but never got over being  
> driven
> down (pun intended) by Ford.  Today they are little known outside  
> Canada.  I
> laughed like heck when I saw them starting to appear in Woodenboat  
> Magazine
> as 'new square-drive' screws.  I called the distributor to ask if  
> these were
> Robertsons.. they of course had never heard the name.
>
> We did a documentary on the story a while back - it was a hard sell  
> at first
> but the twists and turns of the battle with Ford (who apparently was  
> quite
> spiteful) were better than fiction.
>
> Gord
>
>
>
> On 19-Oct-09, at 4:59 PM, Roger L. Kingsland wrote:
>
>> Mick,
>>
>> I uses 1/4" SS rivets to fasten hull to deck and agree w/ you about
>> the difficulty.  I broke 2 rivet guns but my handshake is allot  
>> firmer
>> now.  If I did it again I would try a pneumatic rivet gun like this
>> one
>> http://www.nextag.com/Campbell-Hausfeld-PL1539-Air-66267316/prices- 
>> htm
>> l
>> for
>> $70 +S&H.  I also found this attachment to a cordless drill that  
>> looks
>> pretty nice but costs $142 w/ S&H
>> http://www.s-bgroup.com/lobster/rivedrill.html.
>>
>> Seems it would be allot easier than screws and worrying about getting
>> every one properly threaded.
>>
>> Gord - I got screwed by a guy named Robertson once but I didn't know
>> he actually made screws.
>>
>>> From the trusty internet (may even be true).
>> Robertson Screw
>> In 1908, square-drive screws were invented by Canadian P. L.
>> Robertson.
>> Twenty-eight years before Henry Phillips patented his Phillips head
>> screws, which are also square-drive screws. The Robertson screw is
>> considered the "first recess-drive type fastener practical for
>> production usage." The design became a North American standard, as
>> published in the sixth edition of Industrial Fasteners Institute
>> Metric and Inch Standards. A square-drive head on a screw can be
>> better than a slot head because the screwdriver will not slip out of
>> the screw's head during installation. The Model T car made by the  
>> Ford
>> Motor Company (one of Robertson's first customers) used over seven
>> hundred Robertson screws.
>>
>> Roger 148
>>
>>
>> Roger Kingsland, Managing Partner
>> Kingsland Scott Bauer Associates
>>
>>
>>
>> KSBA
>> ________________________________
>>
>> Architects/Planners/InteriorDesigners/ProjectManagers
>>
>> 3441 Butler Street
>> Pittsburgh, PA 15201
>> N 40° 27.8344'  W79° 57.9831'
>>
>> 412-252-1500 ext.101
>> 412-779-5101 cell
>> 412-252-1510 fax
>> r.kingsland at ksba.com
>> www.ksba.com
>>
>> -----Original Message-----
>> From: public-list-bounces at lists.alberg30.org
>> [mailto:public-list-bounces at lists.alberg30.org] On Behalf Of Michael
>> Taylor
>> Sent: Monday, October 19, 2009 4:10 PM
>> To: public-list at lists.alberg30.org
>> Subject: [Public-List] Main Sail Track Fasetening
>>
>> After painting the mast I am putting the main sail track back onto  
>> the
>> mast.  I see that some have tapped each of the existing holes to
>> replace the
>> rivets with machine screws.    The track is stainless 7/8" with
>> 3/16th holes
>> drilled.  The next drill size up will just clean out the existing  
>> mast
>> holes and leave sufficient room to thread either 1/4 inch or 6mm
>> machine screws.
>>
>> Having got a sample of machine screws with various heads it seems  
>> that
>> the heads are too big for the existing sail track (they don't seat at
>> the base of the track).  I assume that the only way to use machine
>> screws is to either change the sail track or drill new holes which  
>> I'm
>> not prepared to do.
>>
>> If I can't use machine screws it will be back to aluminum rivets with
>> a steel mandrel as I've found strainless very difficult to remove -
>> and install.
>>
>> Have I missed something with machine screw fitting here?
>>
>> thanks
>>
>> Mick
>>
>> #231
>>
>>
>>
>>
>>
>>
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