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sr2 powered off steadicam


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#1 thomas-english

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Posted 23 October 2009 - 06:07 PM

I have an SR2 with a damaged battery spigot> i.e. there is only one connector left. I am shooting something this sunday, a freebie, all on steadicam. If I run out of sr2 batteries or the last connector dies/snaps I might risk it and try and run the camera from the rig.

My Marrel bubble displays a battery monitor. Fully loaded with 2 fully charged Lithium pags it normally reads a maximum of what? 15.6 Volts If I only have the one battery onboard (pag lithium L95) and its a little used I reckon it will float below 15v. Can I risk running my sr2 at that volatge? Will it blow up? What is safe?

Lets face it, I am also running a modulus Transmitter, a transvideo monitor and a Bartech follow focus. So there is plenty of load there to take the edge off a lively battery. Also the batterys will not come off the charger (there is not going to be a mains source for 20 miles).

Can anyone sell me an old battery spigot for an sr2?

Thanks a lot for your time.
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#2 Erwin Landau

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Posted 23 October 2009 - 07:23 PM

Try that:

http://www.lentequip...pterupgrade.htm


But you shouldn't have trouble running the SR from your rig. It's 12 Volt... actually it's german so it will run on 14.4 Volt. 4 pin XLR... I usually run it with battery because of weight (to light for my taste)... also make sure that the Video tap is powered of the body and not of the Battery... as of late I ran into that interesting new thing...

Good Luck!
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#3 Ken Nguyen

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Posted 24 October 2009 - 01:39 AM

Thomas,
Erwin is right.
Power supply for SR2 is 12V
It has 4 pins XLR power connector.
This 4 pins may be covered by the battery adapter.
Actually, the battery adapter plug right into 4 pins socket; and secure to the camera by a bolt.
So remove the adapter and run it from your rig power using standard 4pins XLR.
I used a few times SR2 with Anton Bauer battery; running fine.
Check the photo.
Attached File  sr2_wAB.jpg   28.95KB   82 downloads

Fun flying,
Ken.
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#4 thomas-english

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Posted 24 October 2009 - 02:48 AM

Thanks guys, I really appreciate your speedy response. I have been using the 4pin xlr for years off a lead acid battery. But I was specifically told by someone working at Arri nver to run the SR2 off Lithium batteries because I would blow up the main board. Hence why I have never done so.

Agreed as well, it also flies better with an extra battery.

OK, I'll just go and plug it in now. See what happens. I have 24 hours before call time.

Erwin, well spotted!

Thanks

Thomas
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#5 Leo N Rowe

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Posted 24 December 2009 - 07:05 PM

Hey Thomas, I am just about to purchase a camera stabiliser for use mainly with the SRII and other 16mm cameras. I was just wondering how much you SRII was weighing in at with a prime lens, mag and follow focus attached and which rig are you flying it on?

Many thanks
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#6 Robert Starling SOC

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Posted 25 December 2009 - 01:11 AM

Hi Leo, welcome to the Forum! We all use our full names here so please help us by updating your information... unless of course you last name is simply N and in that case my apology.

The SRII will weigh about 20-25 lbs +/- based on the loose description you've given but it always seems like the ones I get have "battle quality" AKS and obscure zooms that weigh more than the 11 lb body. Add the weight of a sled and batteries and you'll need an arm with at least 40 lbs of lift and more likely 50 lbs capacity to have headroom and be safe.

Happy Holidays!

Robert
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#7 Leo N Rowe

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Posted 27 December 2009 - 09:07 AM

Hi Leo, welcome to the Forum! We all use our full names here so please help us by updating your information... unless of course you last name is simply N and in that case my apology.

The SRII will weigh about 20-25 lbs +/- based on the loose description you've given but it always seems like the ones I get have "battle quality" AKS and obscure zooms that weigh more than the 11 lb body. Add the weight of a sled and batteries and you'll need an arm with at least 40 lbs of lift and more likely 50 lbs capacity to have headroom and be safe.

Happy Holidays!

Robert


Thanks, I'm really struggling between choosing the new Glidecam x-22 or the Steadicam Flyer LE?! This would be my first stabiliser system and I will work with a variety of film and HD cameras, so a high maximum weight is really important for me. What would you recommend for a budget of around £5,000 ($8,000)?

Thanks
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#8 Charles Papert

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Posted 27 December 2009 - 03:07 PM

Leo, you've asked this question in three separate threads (including the one you started specifically about this), let's try to keep the conversation limited to the appropriate threads.

Responses to Leo's question would best be entered here:

http://www.steadicam...h...c=11142&hl=
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