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Todays Tinkering - I Need A Better Knob.....

Discussion in 'Technical' started by Halinfax, May 21, 2021.

  1. Halinfax

    Halinfax Full time tinkerer and general all round nice guy

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    Gentlemen....

    How many times have grasped your cocking knob and thought (or wished) that is was bigger... something a little more.......substantial ...... summat you can get your fingers around... summat ALOT more tactile that what you have at the moment...??

    Well, I hope that this little Todays Tinkering may give some of you hope and inspiration.. that it is summat that you can attain relatively easily....

    For the purpose of Todays infocast presentation, we will be using a BSA Ultra lever and beech......

    We start off with an idea of the sort of size we would like to "handle" and then, the basic lever and our selection of wood.
    20210519_165833.jpg

    Next, we decide on the "best way of mounting" said timber onto the lever and on this instance, threading the ball of the cocking lever is most beneficial.. BUT as with most cocking bolt levers... there is a ball formed on the end of it.. so..... it has to go...
    Carefully placing the ball in a lathe chuck and ensuring that you have a GOOD GRIP on you balls...... make sure the shaft it running straight and concentric...

    Then using a tipped carbide parting tool we turn away the ball to leave a nice straight diameter ready for threading using a stock and die.. This operation must be done by hand only after the "gripped section of the cocking lever ball has been filed or ground down to the same diameter and profile of the turned section..
    20210519_172108.jpg 20210519_174026.jpg 20210519_174812.jpg

    So, once the handle has been finished, we then need to make an insert to press/bond into the piece of timber we are gonna use....
    In this instance its a bit of 8mm diameter brass with a M6 x 1mm thread by about 15mm long.
    20210519_184942.jpg


    Now, taking your wood, you need to find the centre of it so that you can drill a hole to accept the brass bush..
    Once drilled, the brass bush can be glued and pressed into position flush with the face of the piece of wood.. (I use JB Weld... sticks owt to OWT...)

    20210520_095615.jpg 20210520_095623.jpg 20210520_103548.jpg

    Next, turn the block of wood around and mark out the centre of the block and using a compass draw a circle of the size of know you would like..
    20210520_103552.jpg

    Then taking great care and working on a wooden bench or a piece of scrap wood to rest on..), take a sharp chisel and mallet/hammer.. and start trimming away the bits of the knob wood that are surplus .. until you remove as much of the wood so that your near enough to the drawn compass line...
    20210520_103905.jpg

    Once all the JB Weld has dried, we now placing a piece of M6 threaded bar in the chuck lathe and "mount our knob" on it..... using the tailstock and live centre to steady the workpiece when we turn it....
    20210520_172135.jpg

    We can now proceed to "whittle our wood" to what ever shape or profile you like....
    Once the desired shape and size has been attained, a good dose of sanding is applied until the wood is as smooth at the proverbial "derriere sans enfant"

    IMG-20210520-WA0012.jpeg IMG-20210520-WA0014.jpeg

    Removing the knob from the lathe and "testing it on the cocking lever" follows.. before (and on this instance) 2 coats of Osmo Polyx oil is applied.

    Once dried.. the whole assembly is.... assembled... and ready for you to go out and show ALL your friends what a wonderful cocking knob you now have....

    IMG-20210521-WA0000.jpeg IMG-20210521-WA0001.jpeg IMG-20210521-WA0002.jpeg

    Quick, easy (it you have the tools and desire to do it).. and your ONLY limited by the size and shape of knob you can get away with ..

    Happy Tinkering Gentlemen....
     
  2. That hurts

    That hurts Barely Active

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    Fnarr, fnarr :D Great work as usual Hal
     
    Halinfax likes this.
  3. sidney

    sidney Big Poster

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    Always impressed by the clever tinkerers on here.
    :claping::claping:
    Although I would have appreciated a couple of close-ups of you sticking your bolt into the bush to be honest:D
    For me, that's the money shot.;)
     
    Paul55, greyskull and Oldmansherlock like this.
  4. Halinfax

    Halinfax Full time tinkerer and general all round nice guy

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    :facepalm::facepalm::facepalm::facepalm::facepalm:
     
  5. 1260engineer

    1260engineer The Terminator's Armourer

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    the misses will be pleased you have a better knob :D
    did you need a bigger knob because you have sold your porsche :D or is it coz you have big hands :thumb:

    Nice work as usual Hali :thumb: my knob is shiny :facepalm:
     
    ped, Redcap 114 and That hurts like this.
  6. That hurts

    That hurts Barely Active

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    Nowt like having a shiny knob after a good spit 'n' polish :D
     
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  7. Lostkiwi

    Lostkiwi Tomorrow will be a good day.

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    That's a fine looking knob there Hal. I bet there's many of us wished we had such a fine knob.
    Will you be polishing it? :rolleyes:;)
     
    Redcap 114, Halinfax and 1260engineer like this.
  8. 1260engineer

    1260engineer The Terminator's Armourer

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    :D I think i might need a wooden knob :facepalm:
     
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  9. 1260engineer

    1260engineer The Terminator's Armourer

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    I wonder if Hali will polish it with sex wax :D
     
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  10. Halinfax

    Halinfax Full time tinkerer and general all round nice guy

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    Heyup 1260..... I don't need a Porch or an Audi to realise the size of the knob in question.... and yes.. I do have big hands....:rolleyes:

    And I bet keeping a shine on your own knob MUST be a full time occupation!!!!! especially IF you using it alot:p:p:p:p
     
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  11. Halinfax

    Halinfax Full time tinkerer and general all round nice guy

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    Lost... its NOT my knob to polish mate... I am just the "facilitator"......:thumb:
     
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  12. gedfinn

    gedfinn Posting Addict

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    Nice mate, looks good
    Ged.
     
    Halinfax likes this.
  13. That hurts

    That hurts Barely Active

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    You're polishing a friend's knob ? :confused::confused::confused:
     
  14. 1260engineer

    1260engineer The Terminator's Armourer

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    Morning Hali :thumb: nice stuff mate . my knob does stay quite clean as i dip it quite often . :laff:................. :facepalm: (In that liquid silver dip it cleans the knurling quite nice )
     
    Redcap 114 likes this.
  15. Halinfax

    Halinfax Full time tinkerer and general all round nice guy

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    1260... have you a knurly knob????? I am sure there is some sort of preparation or salve for that!!!!
     
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  16. Halinfax

    Halinfax Full time tinkerer and general all round nice guy

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    TH...no mate NOT polishing.... but then..... I have not ben able to work for 13 months mate!!!!!:oops::oops::oops::oops:
     
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  17. 1260engineer

    1260engineer The Terminator's Armourer

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    Hali's polishing another blokes knob :eek:
     
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  18. Halinfax

    Halinfax Full time tinkerer and general all round nice guy

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    Thank you Ged... for a SENSIBLE post.....:claping:
     
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  19. 1260engineer

    1260engineer The Terminator's Armourer

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    it would make your eyes water a bit . :D i have 2 knobs on the titan :thumb:
     
    Redcap 114 likes this.
  20. 1260engineer

    1260engineer The Terminator's Armourer

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    Boooooooooooooooo :D
     
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