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Old 12-04-2002, 03:02 PM   #1
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Default Anyone using the new Futaba 3PK?

Or do you know someone who has one? I read on the futaba website that both PCM and HRS need a 6V receiver battery pack and digital servos. Is this true??? I am thinking about getting one, but not if I have to run a Rx pack. My car is heavy enough as it is.
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Old 12-04-2002, 06:22 PM   #2
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Are you running nitro or electric? As long as you have six cells, you should be fine with it. The most important if running HRS, you need Futaba digital servo, other brands just won't work right. I am currently using 3PK and tried with Sanwa High End digital servo and HRS just doesn't work. But if you run PPM, any brand's servo will work fine.
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Old 12-04-2002, 06:44 PM   #3
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I am running the Factory Team TC3. I've been having a lot of glitching problems. To the point where I took out all my electronics and replaced them. New servo, receiver, motor, and esc, still glitches. I want to continue to run the graphite chassis, so I was thinking about getting the PCM. It's time for a new radio anyways, so it's between the M8 and the 3PK. Not sure yet. What is the difference between the PCM and HRS?
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Old 12-04-2002, 10:09 PM   #4
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I'm using a 3PK...HRS gives you faster response. PCM system have multiple filters in the receiver so the signal will be extra clean. but at the same time, the response will be slower.

I used to have the KO Mars. I don't really feel the faster response from the HRS system... maybe i'm not good enough to tell the difference

about your glitching problem... Can you borrow your friend's radio system for testing before you spend $300+ ?
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Old 12-04-2002, 10:52 PM   #5
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There are a lot of thing that cause glitching. Sometimes, a new receiver will do but sometimes changing everything won't help a bit. Just like what Over Gear said, borrow your friend's radio before making a big investment like this. I recommend that you buy M8 Version 3. This is their newest version of M8 or you can get M8 SS. But Version 3 also has the backlight like the limited edition.
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Old 12-04-2002, 10:57 PM   #6
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Default PCM-vs-HRS-vs-DCX

over geared;

Pulse-Code-Modulation: Digitally processed signal
High-Response-System: FM Modulation 3 x faster than PPM
Pulse-Position-Modulation: FM Modulation
DCX: Hitec's name for double filtering. SLOWS response time.

MOST R/C Car receivers are Single conversion receivers except for the Hitec DCX which is Dual conversion.
Dual conversion is more often used in Aircraft Radio systems.
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Old 12-04-2002, 11:07 PM   #7
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Default 3PK servos

TRF414M;

I just looked at the 3PK manual and I don't see any mention of having to ONLY use Futaba servo's. Only that, 6 volt Digital servos MUST be used.
I think that I am going to get the PCM receiver version. Just to be safe.
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Old 12-04-2002, 11:19 PM   #8
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I tried with Sanwa WR servo before it glitches. And then, I change to 9550 and everything works. And I have mentioned this many times before. If you want to get the HRS system to work properly, just stay with Futaba servo. I also have another problem but I fix them.
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Old 12-04-2002, 11:23 PM   #9
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I like 3PK a lot because you can adjust the wheel according to what you feel and also the weight of the thing is just perfectly balance. This is one of the best and the most advanced transmitter in the market. The only one that you can compare with is probably the JR-1 Limited.

I love the Led lights (7 colors) and large display.
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Old 12-04-2002, 11:25 PM   #10
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With PCM and PPM, there is nothing wrong with any brand of servo. I am using 141 with PPM receiver for my 1/12th. Since, HRS doesn't work with 4.8 volts.

A lot of time, human testing is better than manual. The only bad thing is the high price concequences (end up in the fence or broken A-Arms).
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Old 12-05-2002, 10:32 PM   #11
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a couple of 3PK questions:

1. can you use any futaba fm crystals? or are there special HRS only crystals?

2. in the 3PJ, you can change the throttle/brake ratio from 5:5 to 7:3. what is the default setting of the 3PK? also, how can you change this?

one more thing, i noticed that the gold colored plastic parts seem to be attached by screws (except for the module cover which slides off). are they easily removeable? are there different trim colors available, just like in the 3PJ with the different colored steering wheel and grip covers?

thanks for any info
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Old 12-06-2002, 10:11 AM   #12
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Quote:
Originally posted by TRF414M
I tried with Sanwa WR servo before it glitches. And then, I change to 9550 and everything works. And I have mentioned this many times before. If you want to get the HRS system to work properly, just stay with Futaba servo. I also have another problem but I fix them.
hmm. I tried it with Sanwa WR and it worked fine for me. Maybe something is wrong with your Sanwa WR or HRS receiver. I also tried it with KO 2123, Hitec 5925...all of them worked just fine with the HRS receiver.
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Old 12-06-2002, 10:14 AM   #13
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Quote:
Originally posted by marvi
a couple of 3PK questions:

1. can you use any futaba fm crystals? or are there special HRS only crystals?

2. in the 3PJ, you can change the throttle/brake ratio from 5:5 to 7:3. what is the default setting of the 3PK? also, how can you change this?

one more thing, i noticed that the gold colored plastic parts seem to be attached by screws (except for the module cover which slides off). are they easily removeable? are there different trim colors available, just like in the 3PJ with the different colored steering wheel and grip covers?

thanks for any info
Marvi
1. You can use any FM crystals. There are no HRS only crystals
2. No, you cannot change the throttle brake ratio. However, the throttle throw of the 3PK is longer than any other radio I have ever tried.
3. I don't think there are any other trims availiable. I haven't tried removing them. The 3PJ grip covers should be compatible with the 3PK.
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Old 12-06-2002, 10:42 AM   #14
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bLing bLing-->was' happening bro'?...I see you are making the switch too...so how do you rate your 3PK?...

My 3D has seen a quite a few miles of track...time for a replacement...
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Old 12-06-2002, 12:38 PM   #15
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Quote:
Originally posted by OSherman
bLing bLing-->was' happening bro'?...I see you are making the switch too...so how do you rate your 3PK?...

My 3D has seen a quite a few miles of track...time for a replacement...
O!!!
There was nothing wrong with my 3D. It had served me well, but like yours, mine was showing a lot of mileage.
The 3PK is very very nice. Way more functions than the 3D. I was overwhelmed by the features. Everything is super programmable and adjustable. The menus are extremely well laid out and the servo graph realtime display really tells you what's going on. There are a couple of awkward moments where you have to hit 2 buttons to select models or 3 buttons to reset the timer. It's even easy on the batteries. My 3PK timer showed 4 hours on 700 mAh ni-cad batteries on the first charge! I give the new 3PK a bling bling rating of 10.

--bLing bLing
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