[Public-List] Damn screws

americo silva picomar1957 at gmail.com
Fri Jun 1 09:09:04 PDT 2018 

get a manual impact screwdriver the kind that you hit with a hammer

On Fri, Jun 1, 2018 at 11:01 AM, Gordon Laco via Public-List <
public-list at lists.alberg30.org> wrote:

> Sorry Anders, still don’t know that product.  Perhaps our employees do,
> I’ll ask.
>
> Gordon Laco
> www.gordonlaco.com
>
>
>
>
> > On Jun 1, 2018, at 10:56 AM, Anders Bro via Public-List <
> public-list at lists.alberg30.org> wrote:
> >
> > Oops sorry - the proper spelling is "Ultra Tef Gel". I heard of it
> through
> > Practical Sailor.
> > Anders
> >
> > On Fri, Jun 1, 2018, 10:53 AM Gordon Laco via Public-List <
> > public-list at lists.alberg30.org> wrote:
> >
> >> Hello Anders - I don’t recall that one…. sorry.
> >>
> >>
> >> Gordon Laco
> >> www.gordonlaco.com
> >>
> >>
> >>
> >>
> >>> On Jun 1, 2018, at 10:20 AM, Anders Bro via Public-List <
> >> public-list at lists.alberg30.org> wrote:
> >>>
> >>> And how does tuff-gel fare compared to the toilet ring seal (I do like
> >> that
> >>> one!). I was under the impression that tuff-gel (I believe thick
> silicon
> >>> grease with super fine Teflon particles. I have a small jar and it is
> >>> incredibly tenacious.) was formulated for exactly such needs -
> dissimilar
> >>> metals.
> >>>
> >>> Anders
> >>>
> >>> On Fri, Jun 1, 2018, 9:55 AM Gordon Laco via Public-List <
> >>> public-list at lists.alberg30.org> wrote:
> >>>
> >>>> Hello friends…
> >>>>
> >>>> In our Voyager self steering vanes, we have stainless steel machine
> >> screws
> >>>> in our cast aluminium bodies… we bed the screws in waxy grease… we’ve
> >> tried
> >>>> many specialized compounds but have settled on what the Navy uses…
> that
> >> is
> >>>> the waxy grease that comes from the hardware store in the form of the
> >> donut
> >>>> used to seal toilet installations.  That stuff is incredibly
> tenacious…
> >>>> works very well for a long time.
> >>>>
> >>>> Gordon Laco
> >>>> www.gordonlaco.com
> >>>>
> >>>>
> >>>>
> >>>>
> >>>>> On Jun 1, 2018, at 9:49 AM, George Dinwiddie via Public-List <
> >>>> public-list at lists.alberg30.org> wrote:
> >>>>>
> >>>>> Thanks Gord and Hans,
> >>>>>
> >>>>> On 6/1/18 9:06 AM, Hans Thomas wrote:
> >>>>>> Penetrating oil and a hammer screw drive (the battery operated ones
> >>>>>> work great but make sure the drive is well fitted to the screw).
> >>>>>
> >>>>> I tried my 1/2" hand impact tool, but don't have a bit small enough
> to
> >>>> fit the screw
> >>>>>
> >>>>>
> >>>>>> When you reassemble use never seize or some other anti seize
> compound
> >>>> on screws.
> >>>>>
> >>>>> I generally like to do this, but wonder about the addition of more
> >>>> metals to the mix. I've also used RTV caulk or Vaseline in a pinch.
> I've
> >>>> never found anything that seems to work between stainless and
> aluminum.
> >>>>>
> >>>>>> Whale pumps are actually a bit of a maintenance hog. I open mine up
> >>>>>> and inspect/clean/make sure screws turn twice a year.
> >>>>> Perhaps that's my problem. I expect things to keep working. I don't
> >> have
> >>>> the time to rebuild everything all the time.
> >>>>>
> >>>>>>> On Jun 1, 2018, at 6:00 AM, Gordon Laco wrote:
> >>>>>>>
> >>>>>>> Normally I’d suggest heat - but that will destroy the rubber flap
> >>>>>>> valve.   Are you replacing it?  Perhaps you don’t care if the valve
> >>>>>>> that’s in place is destroyed.   I had success heating a cast
> >>>>>>> aluminium windlass body as a step toward removing an oxidized-in
> >>>>>>> stainless screw in the chain stripper.
> >>>>> I'm hoping to reuse this flap valve, as it's still working. It's the
> >>>> other one that had taken a set and quit sealing, and I seem to only
> have
> >>>> one spare at the moment.
> >>>>>
> >>>>> I'm taking it out so I can clean and repaint the inside of the pump
> >>>> since I've got the unlikely circumstance of repairing it while at the
> >> dock
> >>>> instead of at sea.
> >>>>>
> >>>>>>>
> >>>>>>> I recall an article in a yachting magazine about fighting reluctant
> >>>> screws…
> >>>>>>>
> >>>>>>> #1 - Never let the screw ever think there is any possibility it
> >>>>>>> might win.  It is going to lose and come out and there must never
> >>>>>>> be any doubt about that either in your mind, or on the part of the
> >>>>>>> screw. >> #2 - Address the screw.  Cursing is beneficial, the more
> >>>> creativity
> >>>>>>> the better… volume is not required, in fact silent cursing may be
> >>>>>>> the most effective preamble of all.
> >>>>> I've done this part well.
> >>>>>
> >>>>>>> #3 - Get the screw’s attention.  Place a properly fitting screw
> >>>>>>> driver in its head, and rap sharply with a hammer. (this is
> >>>>>>> actually good advice because the shocks will tend to dislodge the
> >>>>>>> aluminium oxide that is gripping it) >> #4 - soak with penetrating
> >>>> oil, and let it sit a bit, then go back
> >>>>>>> to #2 and proceed again until final victory.
> >>>>> I'm wondering if the rubber flapper is preventing the penetrating oil
> >>>> from penetrating the metal-to-metal contact.
> >>>>>
> >>>>>>> #5 - apply gentle but relentless torque with your screw driver,
> >>>>>>> sharply rapping with the hammer…be careful with the torque, you
> >>>>>>> could break the screw.  you may be tempted to put a wrench on your
> >>>>>>> screwdriver for leverage… this is dangerous.  A broken head means
> >>>>>>> the screw won a round.
> >>>>>
> >>>>> The screwdriver has already slipped once, slightly damaging the
> slot. I
> >>>> fear that this has given the screw courage.
> >>>>>
> >>>>> - George
> >>>>>
> >>>>> --
> >>>>> ------------------------------------------------------------
> ----------
> >>>>> When I remember bygone days                         George Dinwiddie
> >>>>> I think how evening follows morn;            gdinwiddie at alberg30.org
> >>>>> So many I loved were not yet dead,           http://www.Alberg30.org
> >>>>> So many I love were not yet born.                          also see:
> >>>>>             'The Middle' by Ogden Nash     http://idiacomputing.com
> >>>>> ------------------------------------------------------------
> ----------
> >>>>>
> >>>>>
> >>>>>
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