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DavePraties

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About DavePraties

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    Member

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  • Gender
    Male
  • Interests
    Duet concertina, making and playing, restoration.
  • Location
    UK North West

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  1. DavePraties

    Odd Layout

    Hello, has any one spotted this one yet? What on earth is it? Not any kind of duet I have ever seen, but I am not an expert! D https://www.ebay.co.uk/itm/RARE-WHEATSTONE-DUET-AEOLA-72-Keys-AG-1926/173268894906?hash=item2857a184ba:g:qcMAAOSwDCxa0K-h
  2. DavePraties

    Social Media Circles?

    hola i think ive just started following you on instagram :-) I too do a lot of playing in a vehicle :-) Im probably going to get hung for this but..... I get the impression that in the UK at least many concertina players are, perhaps, of a generation that is not so familiar with the various social medias available. Well, I think that there is more to it than simple familiarity with social media. I work in a University, am of a certain age, but fully aware of available social media – we use it to attract, retain, and contact students. However, although I enjoy contact with others, I simply don’t want the all-pervading density of contact offered by such systems. In the same way, I love music but don’t, unlike most of our students, want it piped into my ears from waking to sleeping and beyond. I do not experience silence as an existential void to be feared and filled. Indeed, I fear the effect of stimulation density addiction on people’s ability engage in mature reflection on what they hear, be it words or music. Aaah, how nice to be old enough to refer to the sound byte generation in a smug and patronising way!
  3. Anyone spotted this one? it looks like a piano keyboard variant. https://www.ebay.co.uk/itm/Concertina/263342342431?hash=item3d506d411f:g:UmkAAOSwAHBaGAhH
  4. Has any one seen this one? Who made it? https://www.the-saleroom.com/en-gb/auction-catalogues/morphets-of-harrogate/catalogue-id-srmor10108/lot-f2b00ea1-ca46-4349-934b-a800012ddd99?utm_source=auction-alert&utm_medium=email&utm_campaign=auction-alert&utm_content=lot-view-link
  5. DavePraties

    Lop-Sided Bellows

    Hi Bill, Have emailed you off-forum. Cheers, Dave.
  6. DavePraties

    Lop-Sided Bellows

    Hi Bill, Thanks for your reply. I think I could raise the ends, but I guess I would need to work out by how much, and in what way it would distort the shape. I may go to flat ends. Roughly what would the cost be, and what CAD drawing would you need? Best wishes, Dave
  7. DavePraties

    Turning End Bolts

    Ah, right, I understand. This is what I have always known as a hollow end mill, and are available from tool makers. Don't know if the exact size needed for concertina bolts is readily available though.
  8. DavePraties

    Turning End Bolts

    That sounds like a good piece of kit Theo, was it designed for Crabbs, or is it a known tool? Do you have drawings? Dave
  9. DavePraties

    Turning End Bolts

    Hi Alex, Really enjoyed your bolt-making article. One thing struck me though, I use a late from time to time and sometimes I turn fine shafts that flex under a cutting tool. How I have always fixed this is with a traveling steady, fixed to the back of the tool post, and which moves with the saddle. Each cut, you re-set it to support the next cut. I may have misinterpreted the problem, but it may be worth a try. Best wishes, Dave.
  10. DavePraties

    Lop-Sided Bellows

    Dave, This is great mind-focussing advice. Thanks very much for it. Whilst I'm here, should I decide to replace the crude, non-original alluminium ends with Nickel silver ones, do we know of anyone who would laser cut them if I produced a CAD drawing? Should I roll the raised part around the buttons first, or after the cutting? Dave
  11. DavePraties

    Lop-Sided Bellows

    Never thought of the reed pan deforming. I should have done, having seen plenty of age related shrinkage in wooden components. I'm certainly not going to try to correct that. I will build the ends to suit the bellows.
  12. DavePraties

    Lop-Sided Bellows

    Hello Malcolm, Thanks for your reply. Untill you mentioned it, I stupidly hadn't thought about the reedpans. They fit fine and snugly, so a pointer, I guess, to the fact that the instrument has always been that shape. It is the bellows, complete with frames which are non-symetrical, and hence I guess, the whole instrument. It is not bad enough to be noticeable, just took me by surprise when I measured and drew the ends prior to reconstruction of the outer woodwork. This instrument has riveted action, and very good reeds, so I assume it was an up-market Lachenal. Were these instruments built around a mould, or freehand, do we know? Is lop-sidedness unusual? Regards, Dave.
  13. An interesting problem has just come to light, and I would welcome any advice. The restoration of one of my large Lachenal MacCann duets necessitates replacing the entire outer moulding which holds the ends and fixes them to the action board. I decided to do this, as the existing woodwork, and indeed metal ends, are very clearly not original, and are very crudely made, and spoil the overall appearance quite a lot. I copied the moulding from another instrument, complex ebony/teak with lots of shaping and rebating. No problems though, until I began to make the former on which to glue it up into a frame, and found that the bellows are quite badly non-symmetrical. That is to say, each end is not a perfect hexagon, but has possibly moved out of kilter during its life, or probably during its poor repair. The bellows seem quite rigid though, are in fine condition and function very well. My inclination is running in the direction of building the ends to fit the bellows whatever their shape, rather than trying to straighten them up with the possible consequence of breaking glue lines and causing damage to the leather-work. What do the experts think? Any advice/musings welcome.
  14. Hello All, I have begun to tune both my new Lachenal duets, and discovered a marked difference in the quality of the sound. The older (C 1885) with riveted action, sounds more powerful and strident, wheras tho newer, (C 1903), with standard Lach hook action, sounds good but is more mellow. Both steel reeded. Did Lachenal produce different qualities of reed for different instruments? I assume that the one with riveted action was a superior model?? The reeds in both instruments were in a similar condition, having very little rust. Dave
  15. Just found this article. http://www.jstor.org/stable/pdf/40925742.pdf I may just be a geek, but I found it rather interesting!
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