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Futaba 7c 2.4 Ghz Transmitter

Old 06-21-2011, 02:42 AM
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ozzieflyer
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Default Futaba 7c 2.4 Ghz Transmitter

Am wanting to know if the Futaba 7c 2.4 Ghz Transmitter currently on the market still only comes with the 600 Ma NiCd's, or has this been upgraded to NiMh's?

Read somewhere yesterday the NiCd's weren't that welcome in a lot of countries these days.

Am thinking of getting the 7C a buddybox, and for some of my sport's planes.
Old 06-21-2011, 04:54 AM
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Default RE: Futaba 7c 2.4 Ghz Transmitter

Towerhobbies.com
Search on 7C
Scroll down to TECH NOTES
INCLUDES: Futaba 7C 2.4GHz Transmitter
R617FS FASST 7-Ch Receiver (FUTL7627)
FBC-19B(4) 120V AC Battery Charger (FUTM1830)
NT8S600B 600mAh 9.6V NiCd Transmitter Battery (FUTM1457)
Old 06-21-2011, 05:04 AM
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ozzieflyer
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Default RE: Futaba 7c 2.4 Ghz Transmitter


ORIGINAL: BarracudaHockey

Towerhobbies.com
Search on 7C
Scroll down to TECH NOTES
INCLUDES: Futaba 7C 2.4GHz Transmitter
R617FS FASST 7-Ch Receiver (FUTL7627)
FBC-19B(4) 120V AC Battery Charger (FUTM1830)
NT8S600B 600mAh 9.6V NiCd Transmitter Battery (FUTM1457)
600 mAh, sad in todays world, but I guess it will work.
Old 06-21-2011, 05:00 PM
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Rob2160
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Default RE: Futaba 7c 2.4 Ghz Transmitter

Yes my 7C came with the 600mah nicad pack but I swapped it for the Eneloop 2000mah NiMh pack from the local hobby shop..

It works perfectdly and I get over 10 hours of constant use with this pack..

I bought mine from Perth RC.. here is a link to their TX batteries.

http://secureshopping.perthrc.com.au...-Battery-Packs

i also found the pack here.. in Australia also.. http://www.duanesplanes.com.au/produ...2&cat=8&page=1

The 7C is a beautiful radio and works well, butif you can swing the $$ for the Super8FG it is a much nicer radio.. (and 14 channel)

[youtube]http://www.youtube.com/watch?v=QNNljwYrmLo[/youtube]

Here is the 8FG vs the DX8

[youtube]http://www.youtube.com/watch?v=OBGEDBL5JXQ[/youtube]

Old 06-21-2011, 06:16 PM
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Zor
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Default RE: Futaba 7c 2.4 Ghz Transmitter


Ni-Cad are ususally supplied for the receiver because they can supply more current with less voltage drop as compared to Ni-Mh.

The battery pack supplying the receiver also supply the servo which can demand higher current than the transmitter.

The transmtter is ususally supplied with Ni-Mh as using a lower more steady current demand.

Zor
Old 06-22-2011, 12:46 AM
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ozzieflyer
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Default RE: Futaba 7c 2.4 Ghz Transmitter


ORIGINAL: Zor


Ni-Cad are ususally supplied for the receiver because they can supply more current with less voltage drop as compared to Ni-Mh.

The battery pack supplying the receiver also supply the servo which can demand higher current than the transmitter.

The transmtter is ususally supplied with Ni-Mh as using a lower more steady current demand.

Zor
Is that true for the Sanyo Eneloops?
I thought they could supply the same current as teh original niCds.
I swapped to teh Sanyo eneloops for my planes 2 years ago, never looked back.
Old 06-22-2011, 01:16 AM
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ozzieflyer
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Default RE: Futaba 7c 2.4 Ghz Transmitter


ORIGINAL: Rob2160

Yes my 7C came with the 600mah nicad pack but I swapped it for the Eneloop 2000mah NiMh pack from the local hobby shop..

It works perfectdly and I get over 10 hours of constant use with this pack..

I bought mine from Perth RC.. here is a link to their TX batteries.

http://secureshopping.perthrc.com.au...-Battery-Packs

i also found the pack here.. in Australia also.. http://www.duanesplanes.com.au/produ...2&cat=8&page=1

The 7C is a beautiful radio and works well, but if you can swing the $$ for the Super 8FG it is a much nicer radio.. (and 14 channel)

[youtube]http://www.youtube.com/watch?v=QNNljwYrmLo[/youtube]

Here is the 8FG vs the DX8

[youtube]http://www.youtube.com/watch?v=OBGEDBL5JXQ[/youtube]

Thanks for Info,
My 7C is mainly for a Buddy box, I have a 12FG on it's way. Wow, 2 new radio's at once, sounds extravagant. But sold off ALL my spektrum and JR Tx's, was a bit sad letting go of my 10X, but.... well I am sure I will soon forget once I get the 12FG.
Old 06-22-2011, 04:18 AM
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Zor
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Default RE: Futaba 7c 2.4 Ghz Transmitter


ORIGINAL: ozzieflyer


ORIGINAL: Zor


Ni-Cad are ususally supplied for the receiver because they can supply more current with less voltage drop as compared to Ni-Mh.

The battery pack supplying the receiver also supply the servo which can demand higher current than the transmitter.

The transmtter is ususally supplied with Ni-Mh as using a lower more steady current demand.

Zor
Is that true for the Sanyo Eneloops?
I thought they could supply the same current as teh original niCds.
I swapped to teh Sanyo eneloops for my planes 2 years ago, never looked back.
[/quote]

Hi ozzieflyer,

Note that my post was comparative and not quantitative.

I do not have enough data about Eneloops to properly answer your question.

Perhaps someone can provide us with an answer.

Eneloops are batteries with very low self discharge while not in use (while not supplying current).
I do not know if they have other differences in their characteristics.

I only suspect they do not. I would still use Ni-Cd to supply the servos for the reason previously mentioned.

If the Eneloops or Ni-Mh can supply the actual demand of the servos then there is of course no problem and no reason to look back.

Zor
Old 06-22-2011, 04:39 AM
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ozzieflyer
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Default RE: Futaba 7c 2.4 Ghz Transmitter

Thanks on your input Zor,

When the Sanyo Eneloops first hit the RC scene, apart from the low discharge, they were also used in Digital Cameras, because, they could deliver the current, unlike some of the earlier NiMh's that hit the market.
That's why I think we see many RC suppliers using the Eneloops for normal PSort RC.
Not sure on the BIG planes, everyone seem to be using all sorts of hi capacity lipos A123's etc, which I have no idea about, apart from I don't feel comfortable about charging/balancing Lips etc.




I guess, more research is required.

All good info
Old 06-22-2011, 05:11 AM
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Default RE: Futaba 7c 2.4 Ghz Transmitter


ORIGINAL: Zor


Ni-Cad are ususally supplied for the receiver because they can supply more current with less voltage drop as compared to Ni-Mh.

The battery pack supplying the receiver also supply the servo which can demand higher current than the transmitter.

The transmtter is ususally supplied with Ni-Mh as using a lower more steady current demand.

Zor
I was quoting the tech specs, according to them it comes with a 600mah NiCad transmitter battery.

FWIW 2.4 systems don't consume the power like the 72mhz system so I suspect it lasts a bit longer
Old 06-22-2011, 05:20 AM
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ozzieflyer
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Default RE: Futaba 7c 2.4 Ghz Transmitter

SO,
even more so, I mainly intend to use the 7C as a buddy box, so should use even less power?

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