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wow I like that fischer harp… i had never seen one before. How can we get them to make it double action and seven pedals?
I’m not sure how hard it would be to connect the rods to a higher octave of mechanism, I assume a custom part or two would have to be machined for each of the 14 linkages.
with more practice and tightening the die up i was able to get some good threads that went in smoothly.. i welded on a nub at the base end and ground it down to about the right shape… so i have that installed and so far so good.
I did hear back from Pilgrim, so that was good news finally. they say the welded nub may be more brittle than a soldered one.
the 2.5×0.45 threads thread in, but then get tight too soon.. my die is adjustable but I need to take it to a machinist who has the proper thingy to adjust it with.
I mentioned music wire not because it seems right, but because that is what I was able to find for sale… Probably you are right about the metallurgy. I sure wish I would hear back from Pilgrim. I still haven’t had time to go to a proper machinist but that is the plan. Thank you so much Charles for your detailed thoughts.
yes, that is the email I was using…
I wasn’t able to find any evidence of Pilgrim dealers in the US.
Yes, I think i will go to a machinist…. i was talking to a friend who works in a machine shop, but his shop only does larger stuff like ship driveshafts… so I will find a smaller shop.
It seems the rod is 34 gauge music wire, 0.094 inches in diameter. The threads seem to be 2.5mm by 0.45 thread pitch, but this is really what I want to check for sure.. they are so small and hard to measure. I have a retired bicycle mechanic friend, and looked pretty closely at it and it seemed right, but a pro machinist would probably be more confident.Try any pedal harp with ‘lever gut’ or similar gauge strings on it. I was lucky to find one before I understood the issue completely, and I am so glad, as a lever harp player for 25 years adding pedal harp repertoire. Better still would be to have a lighter soundboard rebuilt as well, specifically for lighter tension strings. Of course, you can’t go too low tension, or the strings will buzz on the discs.
I went by the shop and got to play one of these. I thought it was great, especially the bass notes I felt were un-muddy. They would be an excellent choice for anyone who moves their harp often or plays in hot or cold or dry or humid places. He said you can leave it in your car on a hot day or leave it in cold weather… he also poured some water on it for me… ha ha I am so glad that Dave is pushing the boundaries!
