Search found 11 matches

by peteedwards
Fri Nov 22, 2024 11:08 am
Forum: Music Chatter
Topic: Respighi F.o.R.
Replies: 22
Views: 839

Re: Respighi F.o.R.

Thats the money note of the whole thing! Tuba & bass trombone in octaves on the low E, that's what I live for!
by peteedwards
Fri Nov 22, 2024 10:45 am
Forum: Music Chatter
Topic: Respighi F.o.R.
Replies: 22
Views: 839

Re: Respighi F.o.R.

@peteedwards Yes. F natural. Apologies !!!! :fingerscrossed: LOL. Were I to play it that way (8ve lower), that would be one pitch where by the 4th circuit would be set for the wrong length ( referring back to setting my fourth slide for 2-4 B natural). :teeth: If you trilled it no one would be the ...
by peteedwards
Fri Nov 22, 2024 10:36 am
Forum: Music Chatter
Topic: Respighi F.o.R.
Replies: 22
Views: 839

Re: Respighi F.o.R.

You're right, it is an F natural. I just looked at the score. Bad editing, IMO. The tuba part could just double the second basson and drop the octave at the A instead of going back up. It's not as if other parts of this excerpt aren't especially athletic. https://i.imgur.com/X8vqQlW.png Also I ...
by peteedwards
Fri Nov 22, 2024 10:18 am
Forum: Music Chatter
Topic: Respighi F.o.R.
Replies: 22
Views: 839

Re: Respighi F.o.R.

It might possibly (??) be four 16th notes in the trombones which descend as follows: D C, A, F-sharp, and then the low E. the last 16th note before rehearsal 13 is an F natural- I checked. You made me question myself for a minute there- "have I been playing a wrong note there for 35 years???" That ...
by peteedwards
Tue Sep 03, 2024 1:40 pm
Forum: Music Chatter
Topic: hollow rotors
Replies: 31
Views: 2273

Re: hollow rotors

You're welcome! a couple of notes- -you would never tolerate a dent shaped like that in your leadpipe, correct? why would it be any less bad one inch further down past the end of the leadpipe? or a series of 5 - 12 such dents in a row? -I can do and have done A/B comparisons, as I make the new ...
by peteedwards
Sat Aug 31, 2024 4:51 am
Forum: Music Chatter
Topic: hollow rotors
Replies: 31
Views: 2273

Re: hollow rotors

my understanding is that the only way to fit them to an existing casing is the same way that I fit replacement rotors to existing casings, and that method defines that - if I don't like the aftermarket rotor - the original one will no longer fit. This is not the case with the method I am using (I ...
by peteedwards
Sat Aug 31, 2024 4:00 am
Forum: Music Chatter
Topic: hollow rotors
Replies: 31
Views: 2273

Re: hollow rotors

I'm doing well, Wade! Somehow I lost your email & it took me a while to find you here...PM me & we'll catch up. Yes its similar concept to intake & especially exhaust manifolds, its not necessarily about air flow as optimizing for resonance. In an analogy to electricity, air flow is DC, resonance is ...
by peteedwards
Fri Aug 30, 2024 7:00 pm
Forum: Music Chatter
Topic: hollow rotors
Replies: 31
Views: 2273

Re: hollow rotors

I have found it is more important that the sound path be smooth and continuous than it be round. It can effectively have the same tube diameter & fit into the smaller overall diameter. Yes it is not round, but eliminating the sharp edges, corners, and nooks & crannies makes all the difference.
by peteedwards
Fri Aug 30, 2024 5:35 pm
Forum: Music Chatter
Topic: hollow rotors
Replies: 31
Views: 2273

Re: hollow rotors

I'm also impressed when anyone goes to the trouble to figure out what the least amount of mass is necessary to make something be everything it needs to be. If the goal is reduced mass, then "hollow" isn't necessarily the point, right? Of course, the material between the two round holes defines even ...
by peteedwards
Fri Aug 30, 2024 1:56 pm
Forum: Music Chatter
Topic: hollow rotors
Replies: 31
Views: 2273

Re: hollow rotors

Of course, to facilitate slide pulling there would need to be a tiny vent hole, lining up with a hole in the casing.
venthole.png
venthole.png (76 KiB) Viewed 1412 times
by peteedwards
Thu Aug 29, 2024 5:38 am
Forum: Music Chatter
Topic: hollow rotors
Replies: 31
Views: 2273

Re: hollow rotors

I am starting up a service making & fitting 3d printed (brass or stainless steel) replacement rotors, with optimized duct geometry (no internal sharp corners or nooks & crannies) and super lightweight. This translates to low rotational inertia, faster action and less bounce on the return stroke. My ...