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Member postings for Frank Dolman

Here is a list of all the postings Frank Dolman has made in our forums. Click on a thread name to jump to the thread.

<< First < Prev 1 2 3 4 5 6 Next > Last >>
Thread: To Web Master
03/02/2010 10:11:32

     The "Spindle Speed" thread is coming out overlaid by the
  ads on the RH side
30/01/2010 20:42:47

 
     I have had this too, also at random.  It usually reverts ( perhaps"pops"
   would a better word ) to normal after a second or so but sometimes it
   lasts for a whole session
Thread: Prescription Safety Specs
24/01/2010 11:55:01

      A word of caution.  I was provided with a pair by my employer.  They
  were like ordinary specs in ordinary frames and caused no difficulty
  in use.  But one day a sliver of glass flew upwards and passed
  between my cheek and the lower edge of the lens frame and so into
  my eye.  It landed sideways on the eyeball so although held in by
  surface tension, it didn't stick, and I was able to float it out in a basin
  of water.  Lucky.
     I now use goggles that have something of a seal all round.
     The only question is, do I always use protection or does the hassle
   and poor vision sometimes deter me?  Goodness knows.
Thread: Brass Shell Case
14/01/2010 20:41:11

 
     The 3.7" AA gun's round was notorious for being heavy enough to
  set itself off simply by being stood base down on an unlucky bit of grit.
   There are several reasons why an HE round will not go off before it
   has been fired but even so, I would not deliberately throw one off the
   top of a tank.  If that really was Meyrick's habit, I begin to wonder if
   hygroscopic Delrin was the real cause of his troubles.  The fact that
   APDS contains no explosive seems a poor reason for failing to
   respect it.
                                       Regards
Thread: What type of oil to use on a Milling machine
13/01/2010 17:31:04

     You will see that I started a thread "Long term rust prevention" under
   "Beginners' questions" on 10th July.  Quite a bit of very interesting
   information emerged.
Thread: Ordnance QF 13Pr
05/01/2010 00:53:16

        A friend has bought at auction a beautiful WW1 Field Gun
    about 1  1/2 " to the ft.  It is signed ' CEG 79'.   Can anyone
    please say anything about CEG ?
Thread: Workshop Heating
02/01/2010 18:36:55

     Burning propane in air produces water in England and ice in Scotland. 
   The mass of ice produced in Scotland is the same as the mass of
   water produced in England and is, I am sorry to say, independant of
   the type of burner.  There is little benefit from changing fuel, for example
   paraffin oil is almost identical.  Charcoal is a lot better and has the
   disadvantage of producing carbon monoxide under some conditions.
     Wait till summer.
Thread: HTS Bolts
01/01/2010 12:28:14

       Well, Meyrick I was not surprised by your reply to my question about
   torque on clamp bolts under the 'table cover' thread.  It all seemed
   sensible but now we have a couple of contributors saying that MS bolts
   stretch too much!  Even baby 1/4" bolts would need fair old torque to
   stretch enough to affect their clamping surely?
        Are these contributors perhaps some of the sailors the Admiralty
   found stripping anything under 1/2" Whit?
Thread: Cover for a milling machine table
31/12/2009 02:08:47

 
       Meyrick, when you say clamps torqued down, do you just mean 'give it
   a judicious bit er welly', or do you measure the torque?
Thread: Cup wheel for finish grinding mild steel
31/12/2009 01:40:28

       Grinding steel, or anything containing iron, will destroy a diamond
 wheel, unless you take it paralytically slowly.
                                                    Regards
Thread: Washers
28/12/2009 02:48:28

        Don't bother, Raymond.  I see it now, it's just dissimilar metals. You
    must understand, I am a bit thick as well as knowing very little.
                                                   Regards
       
21/12/2009 01:14:16

     I follow the chamfering Raymond but not, I'm afraid, the silver plating.
  Could you please expand a bit.
14/12/2009 13:59:48

     I have to say that, contrary to Gordon W's fears, the contributions to this
 thread have been for me instructive, interesting and amusing.  I was sorry
 to learn that spring washers don't dig in much, they feel so nice as you do
 them up.  I shall go on using plain washers and lots of grease for general
 fixing for the same reason, though I now know that the washer contributes
 little and the grease may make things worse - but I might smirk a bit if
 the joint has to be undone again sometime.
     My thanks to all who have contributed so far.
08/12/2009 16:35:29

     When should one put a washer under (a) a nut (b) a bolt head?
Thread: Long URL's - a general plea
01/12/2009 11:49:08

 
     The thread "HELP wanted, metal cutting but by..............."
  is being obscured by the ads
Thread: Solid Alcohol
29/11/2009 11:39:38

 
      There is a crew called "Myhobbystore" who sell Mamod.  Can they help?
Thread: Cleaning up corroded dials
19/11/2009 23:59:04

     Mother Nature says Mike Cox is right and that my brain hs gone like a tin
  of RTD.  I'm not going to tell you what my punishment is, I'll just say it is
  condign.  Ferric chloride will etch steel.
19/11/2009 10:11:01

     My Jenolite came from a motor factor a couple of years ago.  £7 for half
  a litre.  This was the watery variety, not the jelly.  If this is another good thing
  that has vanished, I shall mourn it. Shell Care International Ltd 0161 935 7490.
   Usual Disclaimer.
18/11/2009 21:37:52

 
      Your information is so impressive Mike that I shall consult Mother Nature
  the ultimate authority, and report further.
18/11/2009 17:46:27

     Whoops, £80 for Geo Thomas eh John!  Mine were much cheaper.  Still, you
  must read them.  Find a ME smaller than yourself and "borrow" them!  By the
  way, I am a lot bigger than you.
 
     Ferric chloride will not etch steel, Mike.  I don't think that faster action on stressed
  metal will be enough to make a visible difference.  Phosphoric acid ( Jenolite )
  will etch steel, so will sulphuric.  Hydrochloric works but somehow seems to
  leave behind it an increased tendency to rust.  I don't believe unmasked
  etching will be successful.  If you try it and win, I am prepared to look silly!
 
     Frank
<< First < Prev 1 2 3 4 5 6 Next > Last >>
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