Build your own torch     update history



12/03/03
replaced the uk.rec.scuba link (whoops)
added a direct contact email address (thanks Keith)
added a new battery supplier


09/03/03
lighthead design added to preferences page


08/03/03
complete overhaul of the website - better code and some pruning
recognition for the many contributors


02/03/03
effects of overdriving lamps (taken from Osram pdf)
don't overdrive Xenophots (taken from Osram pdf)
some IRC & axial filament lamp info
GE Lighting technical cataogue
source for Philips Masterline ES
stumbled across yet another pondlight, for only £7 !


26/02/03
more alu housing info
buy glass local
s/s 316 nuts and bolts etc. supplier
use r/c car connector for batteries
fit a fuse
drop a silica gel sachet in the housing & lighthead
more dimmer info
more updates to my preferences


24/02/03
update on lamp overdriving tests
a link to some info on u/w lamp history, lamp types and u/w corrosion of metals
confirmed small order raw material suppliers
more updates to my preferences


22/02/03
update on lamp overdriving tests
more dimmer info with a great switching tip
links for some high performance u/w connectors
some updates to my ever-changing preferences
some small-order raw material suppliers


16/02/03
big update on lamp overdriving
use AF size batteries ?
charging NiCd / NiMH in a sealed housing ?
or use a venting O-ring ?
glass suppliers
aluminium supplier
plastics supplier
acrylic supplier
update on going without a lens
a new page summarising my preferences for a torch


11/02/03
some good O-ring information
connector info
box section update


10/02/03
box section battery housing ?
O-ring supplier
some more pondlights


02/02/03
use cheap dive torch for lighthead ?
cheap Maglites
new battery supplier
Delrin for housings ?
pond light for light head ?
IP rating guide
battery charging info
tagged cells prices
added a visit counter
10 D cells end-to-end is too long


31/01/03
charge batts through wet connector
small bolt + O ring to release charging gas
wide/stubby battery housing ?
battery connections advice
circuit diagram


29/01/03
3 core umbilical will do the job
better link for Philips ES lamp
link for Osram / Sylvania lamps
link for a u/w video forum - quite a bit of lighting chat
links to reeds and relays
more housing and lens tips
a dimmer ?
some serious connectors


27/01/03
5 core umbilical
Overdrive the lamp ?
RS Components IP68 glands confirmed ok to 70m
Leak detector (over-complication ?)
Alu housing tips
In-water detector = overcomplication ?
Charging batteries in a sealed container !! ?? - concerns
Reed switch reliability ?
Disconnect the lighthead in transit
Battery choice