Futaba 3PK question - Batteries and Spectrum  
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All Forums >> RC Cars, Buggies, Trucks, Tanks and more >> RC Car Radio Equipment >> Futaba 3PK question - Batteries and Spectrum
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Futaba 3PK question - Batteries and Spectrum - 3/13/2005 4:13:49 AM   
victionone


 

Posts: 94
Joined: 3/9/2005
From: San Francisco, CA, USA
Status: offline 		My 3pk's battery pack is starting to turn into crap, either that or I jsut want a longer lasting abttery for my radio. Looking to order a custom pack from cheapbatterpacks.com with higher capacity cells. Has anyone here done this? What other choices of battery packs do I have? Also, if i get the custom pack, what plug do i need?

Lastly, is this Spectrum stuff. Been doing some reading on the forums and it looked good. Wanted to go synthesized, also need a new receiver for my truck, so I might just get spectrum. My question is, do I still get the failsafe feature I get when I use the Futaba receiver?
       Post #: 1

RE: Futaba 3PK question - Batteries and Spectrum - 3/14/2005 2:38:58 PM   
rockdragon



Posts: 197
Joined: 1/2/2004
From: KLN, HONG KONG
Status: offline 		I got my new Tx pack for my T3PK last month. It's a pack of 9 cell Sanyo 2500mAH NiMH. I was recommented from the LHS guy who is one of the Pro RC car racer.
This pack is come with standard Futaba plug that fits direct to the 3PK.

Here are couple of pics.





About The Spektrum DSM System is not yet available for the Futaba 3PK. I'm also waiting for a set for myself.
So far I've known, this thing is hot. They come in a pair of DSM module and 3ch receiver.
Here is one of the functions that you are looking for.

"Built-in failsafe drives the servos to a preset position (usually full brakes) in the unlikely event of radio interference"

Details can be seen here..

http://www.horizonhobby.com/Shop/ByCategory/Product/Default.aspx?ProdID=SPM1004

.

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       Post #: 2

RE: Futaba 3PK question - Batteries and Spectrum - 3/15/2005 6:32:25 AM   
victionone


 

Posts: 94
Joined: 3/9/2005
From: San Francisco, CA, USA
Status: offline 		Thanks fo the reply. It has been days and not a single post.

Where did you get that battery pack from and how much? As for the spectrem, looks like it has its own failsafe. Thanks for pointing that out.

(in reply to rockdragon)
       Post #: 3

RE: Futaba 3PK question - Batteries and Spectrum - 3/15/2005 9:23:15 AM   
rockdragon



Posts: 197
Joined: 1/2/2004
From: KLN, HONG KONG
Status: offline 		I got the pack from where I am here in Hong Kong, sorry to say that it's not the states. I paid for HK$190.-
You could probably get it from cheapbatterpacks.com, but I don't know about the cost.
For this type of the batteries, you have to fully discharge it before charging it in order to get the pack to full charged.
For the charger, I use the Futaba CR-2000. http://www.futaba-rc.com/radioaccys/futm4160.html It seems to be the best charger for Tx pack I've found.

..

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RE: Futaba 3PK question - Batteries and Spectrum - 3/24/2005 8:34:35 AM   
Galifrey



Posts: 1194
Joined: 12/28/2002
From: Northants, UNITED KINGDOM
Status: offline 		Got a GP2500 9 cell pack from RC-Mushroom for my 3PK

I am also awaiting a new spektrum system



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       Post #: 5

RE: Futaba 3PK question - Batteries and Spectrum - 3/28/2005 7:13:06 PM   
kctay


 

Posts: 24
Joined: 3/25/2005
From: Gresham, OR, USA
Status: offline 		I wouldn't rush in on the spektrum. If you go to their site, you can see there is some problems with the unit. Losing binding, trim, etc.

It would be better to get a second run I would think.

I'm thinking about buying the radio you guys have, what is the differance between the LXCML5, and the LXCML6?

And is it true that you can't just change the crystals out of the radio, you have to buy the complete module?

Also, will the 310 JR reciever (synth) work with the Futaba LXHKT0?

Thanks

< Message edited by kctay -- 3/28/2005 7:15:52 PM >

(in reply to Galifrey)
       Post #: 6

RE: Futaba 3PK question - Batteries and Spectrum - 3/29/2005 1:12:01 PM   
gerwen



Posts: 2088
Joined: 11/3/2004
From: St. Thomas, ON, CANADA
Status: offline
quote:

ORIGINAL: kctay
Also, will the 310 JR reciever (synth) work with the Futaba LXHKT0?
Thanks

From what i've gathered, no. It seems Futaba and Hitek Tx's and Rx's work together, and JR, Airtronics and Multiplex work together. The groups don't mix.

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       Post #: 7

RE: Futaba 3PK question - Batteries and Spectrum - 3/29/2005 9:50:27 PM   
kctay


 

Posts: 24
Joined: 3/25/2005
From: Gresham, OR, USA
Status: offline 		I just bought the Futaba 3PK sythesized yesterday. The only receiver they had that was synth, was the novak, and it is 5 channel. Seems odd that Futaba would turn out a Synthesized radio, and not offer anything but a nine channel receiver?

Anyone know of any 3 channel, or two channel synthesized receivers that are compatible with the 3PK?


(in reply to gerwen)
       Post #: 8

RE: Futaba 3PK question - Batteries and Spectrum - 3/30/2005 2:54:54 PM   
gerwen



Posts: 2088
Joined: 11/3/2004
From: St. Thomas, ON, CANADA
Status: offline 		That's bizarre. Both Futaba and Hitec produce 3 channel Synth radios, but don't seem to make a 3 channel synth receiver. There's a mysterious reference to a R303FS receiver in the 3PM manual, but it doesn't seem to exist.

I guess your best bet is that 5 channel novak rx. It's not much more money than other synth receivers. Either that or go Spektrum when it's available (if it isn't already)

I came close to getting the 3PM Synth radio. This makes me glad that i ended up with the JR synth. I can choose from JR, Airtronics and Novak synth receivers.

< Message edited by gerwen -- 3/31/2005 2:56:18 PM >

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RE: Futaba 3PK question - Batteries and Spectrum - 3/30/2005 10:17:46 PM   
Galifrey



Posts: 1194
Joined: 12/28/2002
From: Northants, UNITED KINGDOM
Status: offline 		The 3pk spektrum system is now shipping, to use a normal futaba rx you have to switch back to the futaba TX module... then you get failsafe on the futaba rx, as well as the spektrum system..

http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&rd=1&item=5966647267&ssPageName=STRK:MEWN:IT

Mines ordered



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It is by caffeine alone I set my mind in motion, it is by the beans of Java that thoughts acquire speed, the hands acquire..

(in reply to gerwen)
       Post #: 10

RE: Futaba 3PK question - Batteries and Spectrum - 4/6/2005 7:47:09 AM   
ronz



Posts: 192
Joined: 8/11/2003
From: Vancouver, BC, CANADA
Status: offline 		got my spektrum module. Doesnt completly fit into the slot on the radio. You have to push the lid on real hard. I can see some of the little legs on the lid breaking off if you take lid on and off alot. So far so good. The fail safe feature is kewl and it is very tiny. Now what to do with synth modules I had??


As for battery power, try going with a lipo 3 cell. It will last alot longer than any other nimh pack out there.


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       Post #: 11

RE: Futaba 3PK question - Batteries and Spectrum - 4/6/2005 4:39:22 PM   
Galifrey



Posts: 1194
Joined: 12/28/2002
From: Northants, UNITED KINGDOM
Status: offline
quote:

ORIGINAL: kctay

I just bought the Futaba 3PK sythesized yesterday. The only receiver they had that was synth, was the novak, and it is 5 channel. Seems odd that Futaba would turn out a Synthesized radio, and not offer anything but a nine channel receiver?

Anyone know of any 3 channel, or two channel synthesized receivers that are compatible with the 3PK?




The synth receivers are too large when trying to scale them down for 2 channels...

Their synth rx's are designed for planes and helis really...




_____________________________

It is by caffeine alone I set my mind in motion, it is by the beans of Java that thoughts acquire speed, the hands acquire..

(in reply to kctay)
       Post #: 12

RE: Futaba 3PK question - Batteries and Spectrum - 4/15/2005 2:49:58 AM   
kctay


 

Posts: 24
Joined: 3/25/2005
From: Gresham, OR, USA
Status: offline 		I just got the spektrum for my Futaba. Just tried to bind tonight and no go. The receiver light flashes, but no the transmitter light. I'm doing the entire procedure by the book and no luck. Hold down the bind button on the receiver, then turn the power on to it, light starts flashing. Leave the power on. Go to the transmitter, hold the bind button down, push the brake, and turn the power on. The light flashes once, and that is it.

Any ideas?

(in reply to Galifrey)
       Post #: 13

RE: Futaba 3PK question - Batteries and Spectrum - 4/15/2005 4:41:52 AM   
kctay