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http://indianaquariumhobbyist.com/community/ :: View topic - Update - My Crude Light Fixture + Stand*
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Update - My Crude Light Fixture + Stand*

 
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Hamza
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PostPosted: Thu Feb 11, 2010 4:47 am Post subject: Update - My Crude Light Fixture + Stand* Reply with quote

 Hi,
 This  is  the  fixture  I  made  for  my  new  upcoming  25-30g  low  maintenance  tank,  that  is  to  replace  this  setup  -  my  old  planted  tank
 
 Specs  -  
 72w  T8  fixture
 dimensions  -  30"(l)x11"(w)x3.75"(h)
 no  cooling  or  timers  for  now
 
 
 
 Materials  used
 Some  cheap  teak,  GI  sheet,  lots  of  nails  
 electrical  -  4  2'Trulites,  4  T8holders  with  ballasts,  wires  and  a  plug(yet  to  attach)
 
 Tools  -  Hammer,  pliers,  drill,  crayon,  pencil,  ruler...
 
 Heres  how  it  started...  
 
 
 
 The  sheet  cut  and  bent.  I  figured  out  a  unique  way  to  bend  these  sheets  after  spoiling  a  couple  of  these.
 
 
 
 Tada!  
 Sorry  I  dont  have  the  pictures  for  complete  journal  as  the  process  was  on  and  off  for  atleast  3  months,  sometimes  I  couldnt  even  touch  it  for  weeks.  
 
 
 
 Top  view...you  might  be  wondering  what  are  all  those  holes  for.  I  started  it  keeping  2  ballasts  in  mind  that  were  to  be  connected  to  4  bulbs  through  4  pairs  of  individual  holders.  But  there  was  a  change  in  plan(its  a  long  story  and  thats  one  reason  it  got  delayed),  so  these  holes  were  made  initially.  Later  I  got  4  compact  individual  ballast  and  strip  sets  as  they  are  much  more  convenient,  easy  to  install  and  less  wire  clump  stays  visible.
 
 
 
 Well,  this  is  certainly  an  achievement  for  me,  because  I  did  this  completely,  except  for  cutting  the  wood,  as  it  was  teak(and  not  ply)  it  needed  some  lumber  machinery  to  cut  it  exactly  to  specifications.  And  I  must  say  I  have  learnt  a  lot  of  things  and  ofcourse  patience  in  the  process.  For  example,  nailing,  seems  an  easy  job  on  the  wall,  it  certainly  isnt  while  working  with  wood,  it  requires  precise  blows  of  consistent  strength  to  move  straight  down  through  the  wood.  
 
 Though  the  whole  process  took  much  time,  gave  some  frustration  at  times,  pain(cuts  and  bruises  as  this  is  my  first  attempt  to  carpentry),  a  tetanus  injection  Chuckle,  etc  but  was  indeed  fun  and  thrill  and  at  the  end  gave  me  a  sense  of  accomplishment  and  ¬†sheer  satisfaction.
 
 I  have  done  another  very  similar  fixture  for  my  2g  nano  tank,  I'll  post  it  sometime  tomorrow.
 
 Thanks  for  dropping  by  and  do  share  your  views.
 
 Regards
 Hamza


Last edited by Hamza on Thu Mar 11, 2010 9:19 am; edited 2 times in total
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Scorpio
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PostPosted: Thu Feb 11, 2010 8:51 am Post subject: Re: My Crude Fixture Reply with quote

 All  is  well,  but  u  hav  not  make  any  hole  in  the  hood  for  vaporisation.
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arjundogra
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PostPosted: Thu Feb 11, 2010 9:15 am Post subject: Re: My Crude Fixture Reply with quote

 Neat  build...well  done
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Mephitis
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PostPosted: Thu Feb 11, 2010 9:19 am Post subject: Re: My Crude Fixture Reply with quote

 Neat.  A  few  coats  of  paint  and  it  would  look  beautiful.   Thumb Up  
 
 Regards,
 Rohan.
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sandeepraghuvanshi
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PostPosted: Thu Feb 11, 2010 4:02 pm Post subject: Re: My Crude 72w Light Fixture Reply with quote

 Nice  Job
 You  will  also  need  some  way  to  cool  down  this  canopy,  the  heat  generated  by  these  tubes,  chokes  would  be  significant.
 How  are  you  going  to  lift  it,  the  tin  canopy  will  get  quiet  hot.
 You  can  cut  hole  on  one  side  of  hood  to  install  a  fan  to  cood  it  down.
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Tirtha C
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PostPosted: Thu Feb 11, 2010 4:26 pm Post subject: Re: My Crude 72w Light Fixture Reply with quote

 Neat  Job  Hamza.  Congrats.  I  used  these  kind  of  sheet  before  and  still  using  it  as  a  very  good  reflector  medium.
 
 Now  to  add  on,  why  did  you  use  those  complete  fixture  of  T8  inside  the  reflector.  You  are  loosing  lots  of  reflecting  surface  area.I  would  suggest  you  to  fix  the  tubes  directly  on  the  reflector  keeping  1"  gap  inbetween  the  metal  and  tube.  And  fix  the  ckokes  outside  the  reflector.  It  will  help  removing  clutter  from  inside  and  will  keep  the  system  much  cooler.  
 
 Get  2  smallest  size  CPU  fan  and  install  them  at  both  side.  One  will  suck  the  air  from  outside  where  as  other  on  will  blow  the  hot  air  out  of  the  reflector.
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saadali
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PostPosted: Thu Feb 11, 2010 6:26 pm Post subject: Re: My Crude 72w Light Fixture Reply with quote

 neat  build  Hamza....  Thumbs Up  
 come  down  to  my  place  with  your  tools  and  time....
 got  to  work  on  my  rack....  Thumb Up
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aquamann
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PostPosted: Fri Feb 12, 2010 12:22 am Post subject: Re: My Crude 72w Light Fixture Reply with quote

 Very  nice  job  Hamza.  I  would  love  to  see  the  finished  fixture  with  ballasts  installed.  I  love  the  idea  of  using  Teakwood.  All  you  have  to  do  is  give  it  a  coat  of  a  nontoxic  oil  finish.
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raushy
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PostPosted: Fri Feb 12, 2010 1:38 am Post subject: Re: My Crude 72w Light Fixture Reply with quote

 Good  Job  Hamza,
 Adding  CPU  Fans  will  work  great.
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Hamza
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PostPosted: Sat Feb 13, 2010 3:29 am Post subject: Re: My Crude 72w Light Fixture Reply with quote

 Thank  you  all  for  your  valuable  comments  and  time.
 
 @scorpio...this  is  a  partial  hood  and  will  stay  3-4"  above  water  level  and  it  already  had  atleast  a  dozen  holes  on  the  top.
 
 @Rohan...nah,  paint  will  spoil  the  beauty  of  wood.
 
 @Sandeep,  tirth  and  raushy...
 But  seriously  do  I  need  one  specifically  for  hood?  I  used  to  have  very  same  t8  (with  ballast  inside)  along  with  3  CFLs  inside  a  narrow  tall  useless  tin  hood  placed  just  an  inch  water  for  atleast  past  6  months,  that  all  was  working  fine,  heat  is  generated,  but  I  dont  think  it'll  have  any  drastic  effect  on  tank  temperature.  neither  the  evaporation,  yes  the  strip  might  get  rusty,  but  that  is  inevitable  even  if  air  is  blown  across.  In  some  3-4  years  I'll  have  to  replace  the  strips  or  repaint  them...hehe
 
 The  hood  is  4  sides  wood  and  just  the  top  is  GI  part  a  bit  complicated  construction.  
 
 Anyhow  between  the  tank  and  hood  I'll  have  3-4  fans  installed  blowing  air  parallel  to  water  surface,  I'  think  this  should  take  care  of  heat  produced  by  the  lights.  And  secondly  I  dont  think  these  electronic  ballasts  will  produce  as  much  heat  as  regular  copper  ballasts.
 This  is  again  a  partial  hood  and  will  be  kept  about  3-4"  above  waterlevel  with  fans  between  the  hood  and  tank.
 
 @Tirth...I  had  the  idea  of  keeping  the  ballasts  at  the  top,  you  can  see  a  lot  of  holes  there  which  were  for  same  purpose.  But  for  a  lot  many  reasons  like  convenience,  safety,  simplicity,etc  I  have  resorted  to  these  strips  with  ballasts.  Though  some  light  gets  wasted  this  way,  its  a  bit  of  compromise.
 
 @Saad...hmmm  with  my  pace  nearly  a  fishroom(your  huge  rack)  will  take  a  year  long  to  complete,  not  to  forget  I  have  to  travel  through  a  thick  jungle  of  traffic  about  7miles  for  reaching  you  Chuckle  
 
 @Charlie...Its  completed  already,  the  ballasts  are  inside  the  hood  beneath  those  bulbs.  Nice  suggestion  there,  I'll  either  coat  it  or  leave  it  as  it  is  to  match  most  of  my  crude  drawing  room  furniture  which  is  unpainted  and  uncoated.
 
 I  have  ordered  a  similar  wooden  rack  for  two  tanks(space  constraints)  with  acacia  wood(I  cant  afford  so  much  teak  for  a  fish  rack),  even  that  will  be  left  uncoated  most  probably.
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Mridul
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PostPosted: Thu Mar 11, 2010 12:54 am Post subject: Re: My Crude 72w Light Fixture Reply with quote

 A  neat  and  clean  work....got  a  good  piece  of  idea.Thanks  for  the  worthy  thread.....cheers
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Hamza
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PostPosted: Thu Mar 11, 2010 9:18 am Post subject: Re: My Crude 72w Light Fixture Reply with quote

                                                   
Mridul  wrote  (View  Post):                
A  neat  and  clean  work....got  a  good  piece  of  idea.Thanks  for  the  worthy  thread.....cheers                

 
 Your  welcome.  Thanks  for  dropping  by...
 
 Update
 -  my  similar  crude  rack  is  ready.  I  just  need  to  smooth  it  a  bit  and  give  it  a  layer  of  oil  coat.
 
 The  planted  tank(25-30g)  will  occupy  the  middle  shelf  and  another  50g  non-planted  tank  will  sit  on  the  top.
 My  new  tank,  lights,  pressurized  CO2  and  every  thing  is  ready  except  a  cooling  system  Sad  
 So  I  cant  wait  any  longer  and  I  have  spent  too  much  already,  was  thinking  of  not  adding  any  fishes  for  the  whole  summer  and  manage  the  temperature  by  frozen  bottles.  Well  this  is  a  completely  different  issue,  will  start  a  new  thread  for  this  journal.
 
 
 
 Note  that  this  stand  was  done  by  a  carpenter,  not  me,  unlike  the  hood.
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