Brushless Traxxas Jato

[Serum]

i personally fancy the eagletree, (because of it's current and power reading)

[Gustav]

Thanks Serum,
I hadn't heard of the Eagletree but that looks really cool.I like the G-meter.that would be lots of fun for measuring acceleration and for chassis set up.And to know how many Gs you just pulled in a crash.

It says the EU version is 433MHz.Do you know how many bands are on that frequency?I don't suppose you'd come across many others on that frequency anyway.

People say with the 2.4GHz the interference is less than 27 or 75 FM.

Batfish,have you noticed less interference?

[Dafni]

You don't have to use the Eagletree in telemetric mode. You can also read out the data via cable, I believe. Please correct me when I'm wrong. No submission, no interference.

I had a close look at this Eagletree, and I would love to get one. Would be a perfect gadget to share between two buddies, and share the costs. Unfortunately most RCer's here in my area don't care about the temps of their nitros.:C:

[rchippie]

Originally posted by Dafni
You don't have to use the Eagletree in telemetric mode. You can also read out the data via cable, I believe. Please correct me when I'm wrong. No submission, no interference.

I had a close look at this Eagletree, and I would love to get one. Would be a perfect gadget to share between two buddies, and share the costs. Unfortunately most RCer's here in my area don't care about the temps of their nitros.:C:

Daf i'll share it with you :eek: .

[Dafni]

Okay, I'll take it first, but whenever you want it, just come and get it, not a problem :)

But I hear you, mate.

Sorry for the hijack, batfish.

[Serum]

Yeah, i am in desperate need for one too.. Can anyone explain it to Isabel how it enriches my life?

You are right Dafni, it is some kind of black box, read afterwards.

[Dafni]

I have the feeling Isabel and Sandra would have a lot of interesting topics of discussion.

Batfish, another question: Do you read the temp on the motor and/or ESC / batt ??

[Batfish]

Whew! A few questions since my last post, heh :)

First - I did loctite the pinion after losing the first one :)

Second - it's not really a specific screw/bolt that comes loose, it's really my poor design skills that do it. Once I have a better-designed mount it'll do fine. I'm going to be buying another Jato chassis from ebay soon so I have a backup when I drill the current one to death.

Third - the Nomadio Sensor is, for lack of a better description, freakin' awesome :D
Price difference is pretty interesting when you consider everything you get, too. I did a price comparison on rcuniverse in the Sensor thread a while ago. A similar high-end radio with add-ons to make it nearly as feature-rich as the Sensor would run about $700, while the Sensor will sell for $520.
In comparison to the Eagletree system, you'd need the Seagull system to get live data like the Sensor and even then it doesn't give you tactile feedback like the Sensor. The Sensor can vibrate and/or play sound files when an alert is triggered.
The one thing the Eagletree has over the current Sensor configuration is recording of data for later viewing on a computer. A future software update from Nomadio will allow the Sensor to record live to a computer via USB. Granted, carrying a computer with you while driving would be a pain, but it would only be used during practice to gather data and adjust for actual racing.
Sensor can work with up to 4 temperature sensors. There are two ports for temp sensors and each is capable of two sensors. Still waiting for Nomadio to explain how to wire them (and, for that matter, actually sell them seperately) to work on the two ports. I currently have the temp sensor held onto my ESC via ziptie. I figured I'd keep it on the more expensive component while I only have one :)
I love the feel of the Sensor and have become very accustomed to being able to see my battery voltage and temperatures at any time. The only thing I'd change at this point is the springs in the trigger and steering. I'm used to the steering one, but the trigger is still stiff for me. I'll get used to it, I'm sure.
The Sensor is a software-based PC peripheral, which means you should never have to send it back to Nomadio for updates. You just download them to your PC and install through the USB port. You update both the radio and the transceiver this way.

Fourth - I have had zero interference with the Sensor. Since it's DSS I can also turn it on in the pits with no worry about affecting anyone else. At my local track it means I can practice on another track while racing is going on (if I want to).

You can see Nomadio's Sensor support forum here: http://support.nomadio.net
and their regular website at
http://www.nomadio.net

Lastly, I think it will end up being worthwhile for me to have purchased the Sensor since all of my vehicles at this point are "project" vehicles, which means I never know if what I've done is going to work right until I try it. That means that if I gear my vehicle wrong and my speed controller jumps right to 150F I'll know the second it happens and I can stop throttle right then and there. This can definitely save on equipment. I'm sure everyone who already has a $300 radio setup and has fried a $200 (or more) speed controller wishes they had a way to know it was going to fry before it happened. That's how I feel it'll help pay for itself in the long run. Now Nomadio needs to come out with their second-gen transceiver so I can get them in all of my vehicles.

Sidenote to Mike - if we had the Sensor reading the temps on the E-Revo motor we might not have blown up that 10L at Monster Madness :D

There's a nice long post for you to digest. Let me know if you have any questions :)

[crazyjr]

Hey Batfish. did you think about making a motor plate off the gearbox? thats how i'm doing mine. the only problem i had was the pinion wouldn't reach, so i took an old associated slipper clutch and ground out the center and the bushing to fit the shaft and used the traxxas spring and nut. Now i can run any 32 pitch gear for the rc10gt, even 48 pitch.

[Batfish]

Originally posted by crazyjr
Hey Batfish. did you think about making a motor plate off the gearbox? thats how i'm doing mine. the only problem i had was the pinion wouldn't reach, so i took an old associated slipper clutch and ground out the center and the bushing to fit the shaft and used the traxxas spring and nut. Now i can run any 32 pitch gear for the rc10gt, even 48 pitch.

Now that sounds promising. Do you have any pictures you can share?

[crazyjr]

Sorry i don't. I'm not sure i can post if i had them(still new to computers) but i noticed a potentia problem with this idea, the pia on the shaft is exposed on the sidesbut the clutch nut and spring should keep it on

[Batfish]

I think I know what you're getting at, though. Did you use the mount holes from the clutch guard to attach your motor mount? I went and took a look at mine and I think that may be workable as long as there's more support for the rear of the motor somewhere.

[crazyjr]

Yes i did. It feels really good, but i'm going to brace it to the upper plate where the guard mountedfor extra support. I was also thinking that you could grind the groove that the pin fits into to move the gear closer to the motor. I may try this today. I may also try to get a cheap camera and take some pictures of what i've done so far.

[Batfish]

Version 2 is now ready. :)

Here are the changes:
1. Tranny has had first gear removed and second gear locked (similar to my MGT tranny). This allows for the motor to be used for the braking, and for reverse.

2. Throttle/brake servo (and components) have been removed.

3. Most of the upper plastic tray has been removed. The only part that remains is the part that the steering servo mounts to.

4. Associated battery cups attached to rock guards to mount battery sideways in front of motor.

5. Removed the battery compartment rear bumper and replaced with the optional Jato rear bumper.

You can see the comparisons here in these pictures. The first two pictures are the overhead view comparisons from V1 and V2. the second two pictures are the side view comparisons from V1 and V2. These changes have moved weight to the rear and lowered the center of gravity, the two things the Brushless Jato needed most.







Here's to hoping for a better turnout this coming Thursday at the club races :)

Almost forgot to add the little video that shows forward/brake/reverse.
http://www.rcpics.net/view_single.php?medid=63835

[Shadow350Z]

omg me want
you gonna start sellin this conver with Mike??
if you are man i might get a jato jus to use that conver
wish i have money tho =(