I haven't killed any T32s with my Turbo clone but they're used much more
like a studio flash meaning pretty slow and deliberate shooting. I use
the T32s in pairs with a single Turbo clone powering both via a Y cable.
<http://www.chucknorcutt.com/gear/Umbrella%20adapter%20mounted%20on%20tripod%20%232.jpg>
Chuck Norcutt
Tim Hughes wrote:
> As you say, the Quantum Turbo does go directly to flash cap, the
> regular turbo does not of course. So if you use a regular turbo
> battery on T32, because it is 6.6V when charged vs 4.8V for NiCd, the
> T32 draws a lot more current and it even draws quite a lot more while
> idling once cap fully charged. A Qunatum regular turbo is actually
> very tough on T32 in multiple rapid full dumps. It is surprising more
> T32's do not croak on the regular turbos. To address the issue of too
> rapid charging of the T32 cap, and so aging the cap when run from an
> external turbo pack, the T32 does include a small resistor in series
> with the cap, which has a rather modest slow down effect on charging
> the cap. Infact it is such a physically small device that with a
> really fast turbo type external device, and multiple fast dumps, it
> could easily overheat too!
>
> In a good design, if the battery internal resistance is fairly low,
> the battery should not have a huge effect on the inverter
> performance, but the t32 is a pretty old design. The battery voltage
> has an effect, in that the primary inductance of the invertor
> transformer is rate limiting as current ramps up at any voltage, but
> the current ramps faster with a higher battery voltage.
>
> tim hughes
>
>
>
> --- On Wed, 1/6/10, C.H.Ling <ch_photo@xxxxxxxxxxxxx> wrote:
>
>> From: C.H.Ling <ch_photo@xxxxxxxxxxxxx> Subject: Re: [OM] Strobist:
>> New NiZn Batteries Offer Lightning Fast Recycle To: "Olympus Camera
>> Discussion" <olympus@xxxxxxxxxxxxxxxxx> Date: Wednesday, January 6,
>> 2010, 6:42 PM As far as I remember your Quantum put high voltage
>> directly to the capacitor of the flash, it does not go through the
>> step up circuit of the flash so there is much less risk of damage
>> the flash by quick full power cycles. (still a small risk for the
>> cap, it could aging faster).
>>
>> I damaged the step up transformer of a T32 by 54 continues full
>> power dump just with the old 600mA Ni-cd.
>>
>> C.H.Ling
>>
>> ----- Original Message ----- From: "Chuck Norcutt"
>>
>>> Full dump recycle time on a T-45 is 2.2 seconds.
>> The Nikon SB-900 was
>>> recycling in 2 seconds (watch the timer on the video)
>> so it was running
>>> faster not "almost as fast". However, it's quite
>> true that it's not
>>> designed to do that in a sustained fashion as the T-45
>> apparently is.
>>> My Quantum Turbo pack clone will recycle any flash I
>> have in about 1-1/2
>>> seconds but I would never attempt to fire it 13 times
>> in rapid
>>> succession and have never needed to. I would say
>> the max is maybe 6-8
>>> shots in rapid succession at 1/2 or 1/4 power during
>> the Hora at a
>>> Bar/Bat Mitzvah. It's not acceptable to miss the
>> kid while he/she is
>>> looking at you while up in the chair and being
>> spun around. But that
>>> much is not a stress on the flash.
>>>
>>> Chuck Norcutt
>>>
>>>
>>> Ken Norton wrote:
>>>> Be very afraid.
>>>>
>>>> That Nikon flash recycled ALMOST as fast as the
>> T45, but did so in
>>>> serious cook mode. I counted 13 flashes and it went into
>> thermal protection mode.
>>>> I'm not sure how many I can do with the T45 as I
>> exceeded 50 before fear
>>>> kicked in but the warning light didn't come on.
>>>>
>> --
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>>
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