HID Ballast

Diving Dave · June 16th, 2008, 11:01 PM

Hey guys,

Looking at HIDs

, can anybody outline the pros/cons between having the ballast located in the cannister versus having it in the light head as illustrated by the differences between the Salvo Rebel and Havoc lights

? Is it simply a question of personal preference and weighting of the head or are there any technical advantages or disadvantages? If located in the cannister presumably the ballast is protected in the event of flooding the cord - is this not so if located in the light head?

I've used a the 'standard version' with the ballast in the light head but it always felt a little in the way when it came to doing anything where i needed two hands, despite the Goodman handle.

Tah,

Dave

david_1 · June 16th, 2008, 11:04 PM

I thought it was better to have bulb and ballast close to improve bulb striking due to the high voltages involved.

David

Diving Dave · June 17th, 2008, 04:55 PM

Quote: (Originally Posted by david_1)

I thought it was better to have bulb and ballast close to improve bulb striking due to the high voltages involved.

David

How much of an issue is this? Has the cannister based ballast been redesigned with this in mind? anyone got any links to some literature on how the whole schebang works, circuit diagrams etc.

Tah.

Marijn · June 17th, 2008, 08:03 PM

Quote: (Originally Posted by Diving Dave)

Hey guys,

Looking at HIDs

, can anybody outline the pros/cons between having the ballast located in the cannister versus having it in the light head as illustrated by the differences between the Salvo Rebel and Havoc lights

? Is it simply a question of personal preference and weighting of the head or are there any technical advantages or disadvantages? If located in the cannister presumably the ballast is protected in the event of flooding the cord - is this not so if located in the light head?

I've used a the 'standard version' with the ballast in the light head but it always felt a little in the way when it came to doing anything where i needed two hands, despite the Goodman handle.

Tah,

Dave

Can't use EO-cords with the balast in the pot.
And although Salvo is using the disign, i'm not entirely comfortable with high-voltage running through a pretty thin cable (might be bs, but its a feeling).

***EBT*** · June 17th, 2008, 10:17 PM

High voltage=higher requirements on cable construction/insulation. Given that its usually the cable that gets the most accidental damage, I've always shyed away from canister based ballast.

June 16th, 2008, 11:01 PM	#1 (permalink)
Diving Dave(Offline) New Member Join Date: Oct 2006 Location: Muscat, Oman Posts: 116	HID Ballast Hey guys, Looking at HIDs , can anybody outline the pros/cons between having the ballast located in the cannister versus having it in the light head as illustrated by the differences between the Salvo Rebel and Havoc lights ? Is it simply a question of personal preference and weighting of the head or are there any technical advantages or disadvantages? If located in the cannister presumably the ballast is protected in the event of flooding the cord - is this not so if located in the light head? I've used a the 'standard version' with the ballast in the light head but it always felt a little in the way when it came to doing anything where i needed two hands, despite the Goodman handle. Tah, Dave __________________ Dave

June 17th, 2008, 04:55 PM	#3 (permalink)
Diving Dave(Offline) New Member Join Date: Oct 2006 Location: Muscat, Oman Posts: 116	Quote: (Originally Posted by david_1) I thought it was better to have bulb and ballast close to improve bulb striking due to the high voltages involved. David How much of an issue is this? Has the cannister based ballast been redesigned with this in mind? anyone got any links to some literature on how the whole schebang works, circuit diagrams etc. Tah. __________________ Dave

June 17th, 2008, 08:03 PM	#4 (permalink)
Marijn(Offline) Smurf #1 Join Date: Aug 2007 Location: Papendrecht, The Netherlands Posts: 379	Quote: (Originally Posted by Diving Dave) Hey guys, Looking at HIDs , can anybody outline the pros/cons between having the ballast located in the cannister versus having it in the light head as illustrated by the differences between the Salvo Rebel and Havoc lights ? Is it simply a question of personal preference and weighting of the head or are there any technical advantages or disadvantages? If located in the cannister presumably the ballast is protected in the event of flooding the cord - is this not so if located in the light head? I've used a the 'standard version' with the ballast in the light head but it always felt a little in the way when it came to doing anything where i needed two hands, despite the Goodman handle. Tah, Dave Can't use EO-cords with the balast in the pot. And although Salvo is using the disign, i'm not entirely comfortable with high-voltage running through a pretty thin cable (might be bs, but its a feeling). __________________ Its a fact that the humans can't go without water for more than 3 days

June 16th, 2008, 11:04 PM	#2 (permalink)
david_1(Offline) New Member Join Date: Jul 2006 Location: sussex Posts: 295	I thought it was better to have bulb and ballast close to improve bulb striking due to the high voltages involved. David

June 17th, 2008, 10:17 PM	#5 (permalink)
*EBT*(Offline) Just another crouton... Join Date: Nov 2005 Location: Brighton Posts: 413	High voltage=higher requirements on cable construction/insulation. Given that its usually the cable that gets the most accidental damage, I've always shyed away from canister based ballast.