Bell 08 / 31Ship's bell2014

Mariner

Note
C7
Nominal
2,121.2 Hz
Weight
16 kg
Diameter
330 mm
Profile
Ship's bell profile
Cast
2014
CLARA WYNN · 2014Ø 330H 297SOUND BOW 30MARINER · DWG 14-729C7 · 16 KG
CLARA WYNN · 2014

DWG 14-729Drawn from the working profile. Not to print scale.

01Bell details

Straight-sided, heavy-lipped and tuned for fog, not for music. Rung twice every half hour at sea.

Commission
Ship's bell
Place
Research vessel Clara Wynn
Inscription
CLARA WYNN · 2014
Metal
Bell metal, 78% copper, 22% tin
Mould
Loam, swept by strickle
Tuning
True-harmonic, five partials

02Tuning record2,121.2 Hz nominal

PartialRatioMeasuredOffDeviation
Hum·25529.4 Hz-3¢
Prime·51,063.7 Hz+5¢
Tierce·61,269.8 Hz-4¢
Quint·751,589.1 Hz-2¢
Nominal12,121.2 Hz0¢

Ratios to the nominal. Cents are hundredths of a semitone; within ±6¢ most ears hear the bell as in tune.

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