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HOW TO BUILD FLAMENCO CAJON WITH PLYWOOD

T h e ex tin ctio n o f th e fo rest sp a ce a s co n seq u en ce o f a cru el a n d w ild co n su m p tio n

h a s g iv en p la ce to th e a p p ea ra n ce o f a n a ltern a tiv e m a teria l th a t su b stitu tes to th e

n a tu ra l w o o d : T h e p ly w o o d .

B y w a y o f in tellig en t sa v in g , a n y fin e w o o d en sh eet w ith in ferio r q u a lity ca n b e

recy cled to fo rm p ly w o o d b y m ea n s o f th e o v erla p p in g a n d th e o n e p ressed o f th ese.

It is n o t d ifficu lt to d isco v er th is m a teria l in th e p ro d u cts o f th e d a ily life a n d o f th e

in d u stry , b u t a lth o u g h fo r a b a d h a b it it is a lrea d y reco g n iz ed a s w o o d in th ese

secto rs, in so m e a s th a t o f th e co n stru ctio n o f m u sica l in stru m en ts is a lm o st

im p o ssib le th e a d o p tio n o f th is m a teria l w ith o u t m ea n in g fo r it a n it d ecrea ses o f

q u a lity in th e resu lt.

T h e eth n ic ro o ts o f th e C a jo n a re u n q u estio n a b le, a n d it h a s b een in P E R U w h ere th eir

co n so lid a tio n lik e p ercu ssio n in stru m en t h a s ca rv ed in th e h isto ry a sp a ce free o f

p la g ia rism s a n d in v a sio n s. W ith tra d itio n a l co n stru ctiv e m eth o d s, th e u se o f th e n a tu ra l

w o o d h a s b een th e k ey fa cto r in its so u n d , a n d a d d ed to a tech n iq u e o f sp ecia l

ex ecu tio n , k eep s a lo t o f d ifferen ce w ith th e d en o m in a ted fla m en co d ra w er. W h en th e

first C a jo n w a s in tro d u ced in S p a in , th ey d isco v ered th a t its p u re ch a ra cter fit to th e

p erfectio n w ith th e fla m en co feelin g , b u t th e la ck o f sp ecia liz ed m a n u fa ctu rers o f

d ra w er in th e p en in su la it ju stifies in its fa ir m ea su re th e a p p ea ra n ce o f a n o th er

d ra w er w ith m eth o d s o f co n stru ctiv e u n a w a re to th e P eru v ia n . It is n o rm a l th a t in

in d u stria l co u n tries th e o n e p ly w o o d a n d th eir v a rieties a re ea sier o f fin d in g ,

so m eth in g o f th a n k in g fo r w h o d o esn 't d o m in a te th e w o rk in n o b le w o o d th a t a rriv es

a t th e sh o p in v irg in fo rm a t a n d it is ex trem ely ex p en siv e. A ll th ese la ck s h a v e h a d to

b e su b stitu ted b y in g en io u s m eth o d s o f a ccen tu a tio n o f sh a rp a s it is th e u se o f strin g s

o f a co u stic o r electric g u ita r, b o x sta ffs o r b ells in th e m o st ex trem e ca ses. F o r m y to

u n d ersta n d a n d k n o w led g e, it h a s b een g iv en ex cessiv e im p o rta n ce to th ese a d d ed a s

fo r th e a co u stic resu lt it refers, lea v in g a sid e th e tru e co n stru ctiv e essen ce o f a

p ercu ssio n C a jo n , b u t it d o esn 't a lso sto p to b e su rp rised th e im a g in a tiv e ca p a city w ith

w h ich m a n y m a n u fa ctu rers g et th eir p u rp o ses. F o r th a t rea so n , a lth o u g h a ll th a t

ex p la in ed la ter o n is th e sa m e step s to ca rry o u t fo r a p ro fessio n a l, it w o u ld b e a b su rd

to th in k th a t w e ca n rea ch th eir resu lts w ith o u t th e sa m e ex p erien ce th a t th ey h a v e

w o n w ith w o rk d a y s. A lso , th e la st co n tro l o f q u a lity g iv es it a n ex p erien ced h ea rin g . I

tru st fo r it th a t y o u k n o w h o w to en jo y th is w o rk a n d y o u a llo w y o u rself a ll th e

p a tien ce o f th e w o rld .

H a v in g clea r th a t w ill u se p ly w o o d , y o u sh o u ld k n o w th a t d ifferen t q u a lities ex ist.

A lth o u g h so a lo n e y o u w ill ch o o se th e o n e th a t o ffers y o u th e n ex t m a rk et, b u t it is

g o o d to u n d ersta n d th eir p h y sica l p ro p erties, rela ted w ith th e q u a lity a n d n u m b er o f

b a d g es th a t fo rm th e p ly w o o d .

C O P Y R IG H T 2 0 0 4 . G E R M Õ N O C A A . R E S E R V A D O L O S D E R E C H O S D E R E P R O D U C C IÜ N

g erm a n @ o ca n a rtesa n ia .co m w w w .o ca n a rtesa n ia .co m

T h e m a n u fa ctu rer o f m u sica l in stru m en ts k n o w s th e q u a lities o f a w o o d en cla ss w ell

a n d th a t it fo rm s it w ill a ffect to th e so u n d o f h is in stru m en t, fo r th a t rea so n w h en

ch o o sin g p ly w o o d it is co n v en ien t to k n o w h is d en sity . In n o b le w o o d it is g o v ern ed b y

th e w eig h t b y cu b ic m eter, d eterm in ed b y th e stren g th a n d so lid ity o f th eir fib re. O n

th e o th er h a n d in w o o d p ly w o o d th eir d en sity g ra n ts it th e n u m b ers o f b a d g es th a t

co m p o se it.

F o r th e co n stru ctio n o f a C a jo n w e n eed to fin d p ly w o o d o f 12 m illim etres o f th ick n ess

w ith a co n sid era b le d en sity , a n d th en w e w ill k eep in m in d th a t to m o re d en sity th eir

so u n d b eco m es w o rse a n d to sm a ller ex p a n d :

C O P Y R IG H T 2 0 0 4 . G E R M Õ N O C A A . R E S E R V A D O L O S D E R E C H O S D E

R E P R O D U C C IÜ N

g erm a n @ o ca n a rtesa n ia .co m w w w .o ca n a rtesa n ia .co m

H a v in g clea r th a t so u n d ty p e lo o k s fo r, w e ca n co m e clo ser th e en tire p o ssib le o n e

a n d in sid e o u r p o ssib ilities if w e fo llo w th e ru le o f th e p rev io u s p a ra g ra p h . W e w ill b u ild

w ith p ly w o o d o f 12 M m . o f th ick n ess a d ra w er w ith th e fo llo w in g m ea su res:

4 8 .4 cm . o f h ig h , 3 2 cm . o f w id th a n d 3 2 cm . d eep

T h e so u n d h o le w ill b e lo ca ted in th e la ter p a rt a n d it w ill h a v e a n a d v isa b le d ia m eter o f

12 cm . T h e q u a n tity o f sp a ce th a t w e a llo w to g iv e to th e ex it o f a ir it w ill in flu en ce

fro m a sim ila r w a y to th e d en sity o n its fin a l so u n d :

M o re d ia m eter = so u n d o p en o r ex p a n d ed , less d ia m eter = m a d e w o rse so u n d o r

ta b let.

W e w o n 't u se screw s n eith er n a ils fo r th eir a ssem b ly , it w ill b e en o u g h w ith ca rp en ter's

w h ite g lu e a n d a n y sim p le m eth o d o f p ressu re th a t y o u a re h a p p en ed . T h e b a se a n d

th e ro o f su p p o rt o n th e la tera l o n es a n d th e b a ck .

C O P Y R IG H T 2 0 0 4 . G E R M Õ N O C A A . R E S E R V A D O L O S D E R E C H O S D E

R E P R O D U C C IÜ N

g erm a n @ o ca n a rtesa n ia .co m w w w .o ca n a rtesa n ia .co m

4 8 .4 cm . o f h ig h , 3 2 cm . o f w id th a n d 3 2 cm . d eep

M o re d ia m eter = so u n d o p en o r ex p a n d ed , less d ia m eter = m a d e w o rse so u n d o r

ta b let.

N o w w e sh o u ld p rep a re th e la n d th a t w ill a llo w th e lo ca tio n o f th e strin g s th a t a re o f

a co u stic o r electric g u ita r, silk reco v ered in m eta l co rresp o n d in g to th e n o tes o L A o r

L A o r

R E (A , D ). W e P rep a re so m e w o o d en stick s h a rd (n o t co n ifero u s a s p in es o r firs th a t

silen ce th e a tta ck ) o f a m a x im u m 2 cm . w id e a n d 2 cm . d eep th a t w ill b e g o o d u s to

h o ld th e strin g s a n d to g iv e b u t I sp a ce to th e screw s o f th e co v er. T h ey a re lo ca ted in

th e in terio r b o rd er o f th e fa ce o p en o f th e d ra w er w ith w h ite g lu e a n d p ressu re in th e

d ry in g . T h e w a y to h o ld a n d to tig h ten th e strin g s fro m th e in terio r ca n b e sim p le, lik e

in th e la ter ex a m p le in th a t screw s a re u sed fo r w o o d , o r so p h istica ted , lik e it w o u ld b e

th e u se o f g u ita r tu n ers o r C eltic h a rp .

C O P Y R IG H T 2 0 0 4 . G E R M Õ N O C A A . R E S E R V A D O L O S D E R E C H O S D E R E P R O D U C C IÜ N

g erm a n @ o ca n a rtesa n ia .co m w w w .o ca n a rtesa n ia .co m

R E (A , D ).

W e w ill o b ta in a s a resu lt so m e strin g s th a t w ill p la y th e in terio r o f th e co v er lig h tly . In

th eir v ib ra tio n s w e w ill reco g n iz e th a t sh a rp o f th e fla m en co C a jo n .

T h e co v er.

T h e selectio n o f th e m a teria l fo r th e co n stru ctio n o f th e co v er is a to p ic co m p lica ted

in th is co n stru ctiv e a d v en tu re a g a in . In th is ca se th e u se o f p ly w o o d m o re th a n

co n fo rm ity is a n ecessity . T o b u ild a co v er w o o d en n o b lem a n w ith 4 M m . o f th ick n ess

is h a rd ly d ifficu lt if th ey d o n 't restra in tech n ica l o f jo in ery , in d isp en sa b le to a v o id in a

fu tu re w a rp p ro b lem s a n d cra ck s. S o w e lo o k fo r a la m in a te o f 3 o r 4 M m . w ith th e

b ig g est co n sisten cy a n d , if it d o esn 't co n v in ce u s th eir rig id ity , w e ca n a d d h im a la y er

o f w o o d en fo il w ith w h ite g lu e a n d to d ry it in a n a ltern a tiv e p ress. It is a sim p le so lu tio n

fo r w h ich b u y s m a teria l in a p a rticu la r a n d n o t in d u stria l w a y , b eca u se th e b est

la m in a te fo r co v ers, lik e it is th a t o f A m erica n b irch , it is v ery ex p en siv e.

T h e co v er w h en b ein g h it w ill b e th e o n e th a t th e a ir th a t th ere is in th e ca v ity o f th e

C a jo n , m o v es fo r th a t rea so n it in flu en ces th e rig id ity o r co n sisten cy a lo t o f th is in th e

fin a l so u n d . A n o th er tim e w e a p p ly th e sa m e eq u a tio n th a t d efin es th e resu lts:

M o re

M o re rig id ity o r co n sisten cy = co m p ressed so u n d o f m id d le b a s

rig id ity o r co n sisten cy = co m p ressed so u n d o f m id d le b a ss

L ess rig id ity o r co n sisten cy = so u n d o p en o f o p en b a ss

O n ce w ell-k n o w n o u r lik es p la ce th e co v er o n th e d ra w er to p ro ceed to th eir clo sed

o n e, try in g th a t th eir m ea su res a re lig h tly su p erio r to th o se o f th e d ra w er.

C O P Y R IG H T 2 0 0 4 . G E R M Õ N O C A A . R E S E R V A D O L O S D E R E C H O S D E R E P R O D U C C IÜ N

g erm a n @ o ca n a rtesa n ia .co m w w w .o ca n a rtesa n ia .co m

T h e co v er

M o re

rig id ity o r co n sisten cy = co m p ressed so u n d o f m id d le b a s

L ess rig id ity o r co n sisten cy = so u n d o p en o f o p en b a ss

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