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Rod Pearce

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    Chester, UK

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  1. Rod Pearce

    Thumb Strap Instructions

    No problem Bill. Glad to be of assistance. Best regards Rod
  2. Rod Pearce

    Thumb Strap Instructions

    Bill have made 2 sets of straps from the kit, and still have the CD with the instructions on. I can send you the files by PM later. There a 4 files on the CD, the larget being 9mb. Rod
  3. RAc I made the suggestion of using a chromatic tuner as Larry's original post was referring to a tone generator, which would have required a very good ear to tune the suspect reed. He was also only concerned with a single reed, not a complete re-tune. The suggestion was made in good faith.
  4. Try downloading some free chromatic tuning software (AP Tuner for example). This will enable you to accurately check the pitch of the note as you make adjustments. I have cut and pasted the display screen from the help pages. The idea is to get the needle to 0 for the note in question, in your case D#. Just google AP tuner, the download is available at a number of sites.
  5. Hi Alec You say it is a new concertina. Is it new, or just new to you. If it is new then Wolf's reply about older valves would not apply.
  6. Rod Pearce

    Snapped off end bolts

    If you need replacements try Mark LLoyd-Adey at Concertina-=Spares.com
  7. Rod Pearce

    Peterson Strobosoft Tuning Software

    Theo Thank you. I'll try this approach. Rod☺️
  8. Rod Pearce

    Peterson Strobosoft Tuning Software

    Chris, Theo Thank you for your feedback. I believe the process I am using is somewhat flawed, as I have been sounding each reed in the concertina sitting on my lap, the reed pan in situ and holding the action box in place without screws while expanding the bellows. I do have a tuning rig but was unable to get the reeds tuned closely enough to make using it worthwhile. This afternoon I have made a frame to hold the tuning bellows and will start using this for initial tuning. It should improve the consistency. When it comes to fine tuning and sounding the reeds in the instrument, do you tune/ install / sound the reeds individually, or do a side at a time to minimise the number of times you need to reassemble the instrument? I went for one at a time, hence the process I described above. Many thanks Rod
  9. Does anyone use this software for tuning concertinas? I have been using it for a while, and I would like to understand if anyone else experiences what I would call 'bounce' as the tuned reed is sounded. Although I am expanding / contracting the bellows at a steady rate, as if the instrument is being played, I get different readings on the display depending on where the bellows are in the compression cycle. The reading can vary by as much as 10 cents. I am assuming I should take the reading as near to the middle of the compression cycle rather than at the start or.finish? Rod
  10. Rod Pearce

    Tuning stability

    Dana Thank you for replying. I am now feeling more comfortable with the idea that although the reeds were tuned pretty accurately, I should expect some settlement over time. I will of course be fine tuning them again and hopefully the long term results will be better. Rod
  11. Rod Pearce

    Tuning stability

    Tom Thanks for your very thorough and enlightening explanation. It will take me some time to assimilate it! I am unable to open the attachment, though. I am taking from this and Lofty's reply that the reeds are probrbly OK and I should look at other factors. Incidentally. I came across this thread after I posted my initial question. More food for thought. Rod
  12. Rod Pearce

    Tuning stability

    Steve Thanks for your feedback. Much appreciated. As the concertinas in question have undergone a full refit of valves and pads, I would not expect the valves to be the problem. I am encouraged that your Wheatstone has remained stable, there is hope for me yet. When tuning I did notice that a number of the reeds appeared to be quite thin as if they had been tuned a number of times previously. I will be fine tuning these instruments again soon so time will tell. Regards Rod
  13. How long would you expect a recently tuned instrument to stay in tune for? I have tried to find some information by searching the forums but the number of hits from searching 'Tuning' is enormous. So I have opened a new thread on this subject. I have tuned a number of instruments over the last 12 months, all reeds to within 1.5 cents after several passes. However, I have noticed that when checking the instruments after a few weeks / months a number of reeds have gone out of tune, or just not sounding correctly. Is this to be expected ie an instrument'ss tuning should be expected to change periodically? If this were the case surely the majority of instruments in day to day use would be out of tune. Is it that the reeds are getting past it and are no longer able to retain their tuning for long periods? Any thoughts would be appreciated
  14. Rod Pearce

    Remaking ends by hand

    Here is the finished end - minus the strap. I persevered with the scratch stock to get the curved bevelled edge. I sharpened the end of the scratch stock blade, which seemed to make all the difference. After planing each edge to a straight bevel, I then followed up with the scratch stock to remove the remaining wood and used a curved needle file and glasspaper to achieve the final finish. I am pretty pleased with the end result, for a first attempt!
  15. Rod Pearce

    Remaking ends by hand

    I have finished cutting the new end and will shortly be gluing it to the end frame. The existing ends have profiled edges, and I was wondering if anyone could share a way to do this. I have tried making a scratch stock from an old hacksaw blade ( this has worked for me in the past but on a smaller profile). It hasn't worked on this occasion as I need to profile both with and against the grain. The result is too rough. I was thinking about a router of some sort? Would I be better advised to just finish the edges with a straight bevel? Picture of existing end attached Regards Rod