Welcome to the Piano World Piano Forums
Over 2.5 million posts about pianos, digital pianos, and all types of keyboard instruments
Join the World's Largest Community of Piano Lovers (it's free)
It's Fun to Play the Piano ... Please Pass It On!


SEARCH
Piano Forums & Piano World
(ad)
Virtual Sheet Music
Download Sheet Music Instantly
Virtual Sheet Music - Classical Sheet Music Downloads
Sheet Music...
(125ad)
Piano Life Saver - Dampp Chaser
Dampp Chaser Piano Life Saver
(ad)
Modern Piano Moving
Modern Piano Moving
(ad)
Piano Buyer Guide
Piano Buyer Spring 2017
(ad)
Lindeblad Piano
Lindeblad Piano Restorations and sales
Who's Online Now
116 registered members (anotherscott, alfredo capurso, accordeur, apassionata, augustm, 26 invisible), 1,395 guests, and 13 spiders.
Key: Admin, Global Mod, Mod
(ad)
Estonia Pianos
Estonia Pianos
Quick Links to Useful Piano & Music Resources
Our Classified Ads
Find Piano Professionals-

*Piano Dealers - Piano Stores
*Piano Tuners
*Piano Teachers
*Piano Movers
*Piano Restorations
*Piano Manufacturers

Quick Links:
*Advertise On Piano World
*Free Piano Newsletter
*Online Piano Recitals
*Piano Recitals Index
*Piano & Music Accessories
*Live Piano Venues
*Music School Listings
* Buying a Piano
*Buying A Acoustic Piano
*Buying a Digital Piano
*Pianos for Sale
*Sell Your Piano
*How Old is My Piano?
*Directory/Site Map
*Virtual Piano
*Music Word Search
*Piano Videos
*Virtual Piano Chords & Scales
Previous Thread
Next Thread
Print Thread
#2026478 - 02/03/13 07:44 PM E-modulus and yeld stretch  
Joined: Mar 2008
Posts: 9,230
Olek Offline
9000 Post Club Member
Olek  Offline
9000 Post Club Member

Joined: Mar 2008
Posts: 9,230
France
Hello,

I have read here more than once than the e-modulus of the wire was unrelated to iH, and I dont understand .

Is the e-modulus of American wire similar to Roslau wire ?
Is the e-modulus of Paulello type O similar to the one of other types ? (is the carbon content modifying significantly the Young modulus ?)

I made an experiment measuring the partials of a Paulello string mounted and using a formula to compute the e-modulus from the iH.

It gave 1.96 it is supposed to be 2.05 for Roslau.

Pure sound is 1.87 (N/m2)

I am a little lost there, it sound simple that a less stiff string is providing less iH, I cannot see why it should not be the case.

Any confirmation or something ?

The metal used is different when making the different Paulello wire, but the M type, (was said) plus a different way to make the wire.







Last edited by Olek; 02/03/13 08:18 PM.

Professional of the profession.
Foo Foo specialist
I wish to add some kind and sensitive phrase but nothing comes to mind.!
(ad 800)
PTG 2017 Convention
PTG Convention 2017 St Louis
#2026710 - 02/04/13 06:09 AM Re: E-modulus and yeld stretch [Re: Olek]  
Joined: Mar 2008
Posts: 9,230
Olek Offline
9000 Post Club Member
Olek  Offline
9000 Post Club Member

Joined: Mar 2008
Posts: 9,230
France
Sorry to be confused there. I will record L modes on type O wire and Roslau wire on a small grand I have there

Here is the experiment done to find the E modulus on type 0 wire (precision was said to be 15% method : Hans Velo) :

https://docs.google.com/file/d/0B6GjQDkF_AMQbV9MOWlSQnUteEk/edit?usp=sharing


Professional of the profession.
Foo Foo specialist
I wish to add some kind and sensitive phrase but nothing comes to mind.!

Moderated by  Piano World 

Piano Acc. & Gift Items in
Piano World's Online Store
In PianoSupplies.com ,(a division of Piano World) our online store for piano and music gifts and accessories, party goods, tuning equipment, piano moving equipment, benches, lamps Caster Cups and more.


Free Shipping on Jansen Artist Piano Benches
ad
Pierce Piano Atlas


(ad)
Pianoteq
Grotrian Concert
Royal
for Pianoteq out now
What's Hot!!
Why Do You Play The Piano?
-------------------
Posting Pictures on the Forums
-------------------
Forums RULES & HELP
-------------------
ADVERTISE on Piano World
-------------------
Piano Classified Ads
New Topics - Multiple Forums
Phoenix D-232 and Chopin
by Mark Polishook. 05/27/17 09:07 AM
On legato and slurs
by Fede. 05/27/17 02:49 AM
What makes a piece difficult
by Emeraldz. 05/27/17 01:12 AM
Rach 3 with our own Jeffrey Biegel
by Piano World. 05/27/17 12:21 AM
(ad)
Sheet Music Plus
Sheet Music Plus Featured Sale
(ad)
Accu-Tuner
Sanderson Accu-Tuner
Report Problems With New Forums
Report Problems with New Forums Here!
Forum Statistics
Forums44
Topics179,915
Posts2,630,218
Members87,895
Most Online15,252
Mar 21st, 2010
Visit our online store for gifts for music lovers

 
Help keep the forums up and running with a donation, any amount is appreciated!
Or by becoming a Subscribing member! Thank-you.
Donate   Subscribe
 
Our Piano Related Classified Ads
| Dealers | Tuners | Lessons | Movers | Restorations | Pianos For Sale | Sell Your Piano |

Advertise on Piano World
| Subscribe | Piano World | PianoSupplies.com | Advertise on Piano World |
| |Contact | Privacy | Legal | About Us | Site Map | Free Newsletter |


copyright 1997 - 2017 Piano World ® all rights reserved
No part of this site may be reproduced without prior written permission
Powered by UBB.threads™ PHP Forum Software 7.6.0