The cocobolo has a cpvc fipple. Yes it is an experiment.
Neat. Is the CPVC easier to work? I’ve often wondered about the
lifspan of a wooden ramp. Since that’s where a lot of the moisture
ends up, I would think there might be long-term effects. But that’s
just wild, uninformed conjecture.
CPVC is not easier to work. I like it because it is not white. Most wood whistles have an oil in the bore. Almond is used a lot. I think some of it may go on the ramp helping to prevent problems with moisture.
Some whistles have a sleeve/collar on the outside of the fipple, and the windway is cut into the tube leaving a line on the outside of the fipple.
I made the windway into a sleeve and install it in the tube with no external line. This one has a curved , and tapered windway.
Most curved windway whistles. Whistles with flat windways rarely have this feature. Off the top of my head, I can’t think of one that does…
Loren
Short of some sort of abuse, a properly made (not too thin) ramp and labium will last longer than you will 
Plenty of very old R#c*rders that are just fine after all these years.
Loren
Well, I’ve just spent several enjoyable days playing Tommy’s three whistles and will be sending them on their way tomorrow.
I’m quite impressed with these instruments. There are two figured Maple whistles, and one in Olivewood in the package. The first one I tried was VERY quiet and it took me a bit of time to not overblow but once I got the hang of it I liked it a lot. I’ve made a few quiet whistles per customer request, but never this quiet. It would be lost in a session, but for playing in a dorm room, apartment, etc where noise would be a problem, this would be a great whistle.
I planned on mentioning to Tommy that making the windway wider would produce a louder whistle, but he obviously figured that out since the second Maple whistle was a LOT louder. Not Susato loud, but nice and solid with a good quick response on all notes. The third whistle in Olivewood was the strongest yet, with a nice reedy sound to it. This was my favorite of the three, but some people might prefer the less reedy Maple.
Visually, the whistles are very attractive, as we’ve seen from the pictures. The flaring at the bell end is nicely done and adds a lot to the plain wooden tube.
Tommy, as I said before, you’re onto something good. Keep up the good work!
Your the best Paul. Thank you very much for reviewing my whistles, and the suggestions.
For your suggestion and a few others I have made a few of all wood (curly maple) except for the tuning slide that is brass. I have been playing them for several months to see how they would hold up, and they are doing fine.
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Tommy, these look great!
(Psst … in your photo link it has “;127” … instead of “i127”…)
Tommy, those are truly, truly beautiful whistles. I imagine they play like a dream. My family says my single wooden whistle is the best sounding whistle I have. Something about wood…