Gyro?
 

i see alot of people using gyro's in their cars to keep them pointing forward and i have been wanting to try one for a while
does anyone know if either a
esky EK2-0704 gyro
or a
Telebee dual rate gyro
will work in a car?

Gyro is a gyro really, arent they? Its simply a case of setting it so that the steering servo can be used to automatically adjust the steering with more precision than a human can whislt doing a high speed run. Humans tend to oversteer or not react quickly enough...

I have 2 gyros and one does keep the car from loosing control and the other one just keeps the servo pointing in the direction I turned it. The one that works good for me is the Esky one the other one is a Head Locking Gyro from Imax. So stay away from the head lock gyros :lol:.

what in the heck is a gyro. i have never heard of this before. sounds like its something i need to add on my wish list for my emaxx. anybody got some links or more info they wanna shed me?

Gyro:na:

lol damm i was really looking forward to reading on the link u sent me, now just looking forward to when im gonna eat my next gyro. no seriously, anyone got links?

Gyro is short for gyroscope. For a simple demonstration, hold your dremel tool in your hand while running at high speed. Now, turn your hand different ways. Notice it sort of "resists" movement? Now imagine circuitry that measures this resistance and outputs a signal in proportion to the amount of resistance. Viola!

Here is a decent link on the theory in general. I'm sure you can figure out how it applies to R/C steering...

reverse the direction

ahh ok i get it now. so does anyone know if those items rcsammy listed will work on our vehicles?

the reason i asked was because i was reading about them in a E jato thread and people were saying some work for ground and some dont

I tired everything I could with the Imax gyro, but it is not good for vehicles. The Esky one does the job just right. It made me look like a professional driver :lol:.

hey lutach, where does the gyro thing actually go in the truck? what kind of car do you have it in? all i know is that the gyro plugs into the reciever correct? but i see two reciever plugs for the gyro...it needs both plugged in? sorry for the questions...this gyro things sounds like the thing i need

I used it in my TC3 and my BPP after it swerved badly to the right and I hit the curb in one of my video's in youtube. I have tried many places to mount the gyro and I like it mounted right where my servo is. I did like it at the rear of my TC3, but it was a pain with the extra wires hanging around :lol:. One plug goes to the receiver and the other to your steering servo. The gyro's main job is to keep your car tracking straight and it works so good, it's banned from racing. I'm trying to find a way to completely hide a gyro from view and go to a race and beat the hell out of all the professionals :lol:.

so if i wanted a gyro for my 3905 emaxx. does that mean i will need two gyros since i have two steering servos? do you have a picture of video on your gyro mounted in your car.
so you disconnect the servo plug from slot 1 from your esc and replace it with the gyro receiver plug, and then you connect the servo plug to the other gyro plug?

If your Emaxx has 2 servos, it has a Y adapter. All you do is disconnect the servo connector from the Rx and plug it into the gyro and the other gyro plug goes where the servo connector went in the Rx str or channel 2. I didn't take any pictures or made any videos of the gyro in action when it was installed, but I've seen a video or two in youtube or from a member here.

got it. so can i just mount the gyro anywhere on the truck? or does it have to be on top of a servo? im really excited to try this now. im happy i found this thread. anything i should know before i make my purchase? im still a lil confused on how it does its job tho. so if my truck goes towards the right when im trying to go straight, the gyro will make my truck go straight? or does it work when i turn the steering too much and it straightens it for me or something..im confusing myself lol .

I tired to mount mine as close as I could to the Rx and servo to eliminate long wires. It doesn't have to be on top of the servo. Try it out and see what location works best for you. I noticed the Esky gyro have a nice price on them now.

Edit: The gyro can work to counter steer or to keep the vehicle heading in the direction you want. If you want to stop loosing control you will want the gyro to counter steer to correct your vehicle. You can see the other affect in the drifting cars from HPI using the dbox. It wll actually make you look like a professional drifter by allowing the car to keep it's drift until you want to go the other way.

but why does the car even lose control in the first place, i thought its from sloppy steering links or if the turnbuckles are different lengths between the left and right one. wait so does the placing of the gyro affect it...like does it have to be in the middle. or can it be anywhere its convienant?

Diffs play a part as well. Specially with all this powerful brushless systems. I usually spin out if I give my vehicles specially my truggies and buggies a little more throttle when I enter a turn. The gyro doesn't have to be in the middle of the car. I placed mine on the right front of my TC3 where the servo is and I mounted my Rx on top of the servo, but I did try other places. One thing you must do is make sure you keep your emaxx perfectly leveled and not move it much until the gyro's light comes on.

sounds good. hey thanks for all your help lutach. ill report back with my results if i decide to mount a gyro.

If you take a look at some of the heli forums you can find out a lot more information on the heading hold (or head locking gyros).

From tinkering with helis a bit, I am not sure I would use a heading hold gyro on a rc car as it does just what the name states it tries to hold the position in the direction you've pointed your heli when rotating.

Go with one recommended for something like the Blade CP or Blade CP Pro.

One thing to note though about most heading hold gyros is that they operate in both standard mode and heading hold mode. From the ones I played with the settings from 0% - 50% are standard operation mode. From 50% - 100% it is in heading hold mode. I guess that give you the best of both worlds for tinkering and trying out different settings.

They came out with a drift version of the mRS4 that had a gyro in it. From what I have read on a bunch of different forums most people have overall not cared for them in the long run. Using a gyro is not a substitute for knowing how to drive your vehicle properly and developing good skills that can transfer from model to model.

That's what I told him. I bought a Imex head locking gyro to see if it could work in my application, but it was the worst purchase I did. The Esky gyros works good, but don't get the new one that came out.

I bought a GWS pg-03. I haven't tried it yet but will let you know how it works out. It was a cheaper unit. $35.00 I believe.

Hi guys,

It's interesting that I'm also relooking at gyros for car applications. Head lock gyros are not going to work in a car. One needs to use a rate gyro (i.e. soem reaction from gyro if there is some input from the gyro sensor). I used a cheap GWS PG-03 rate gyro but found that its setting drifts. Now, I am using a Futaba GY240 headlock gyro with headlock turned off. This is placed in my onroad mini.

What it does is to help the poor driver like me to steer/handle the car during cornering. Coming from offroad, I find that I tend to over steer the mini & that results in a spin out or fish tail action all the time. This makes the mini undriveable for me. With the gyro in, it helps to correct me over enthusisatic steering action & smooths out the oversteer. Bandaid for poor driving.

However, the gyro is not without its own set of problems. The biggest problem faced by in car application is vibration. Gyro is sensitive to that. So, sometimes, the sensors pickup the wrong data because of this vibration.

However, overall - it definitely helps.

http://i198.photobucket.com/albums/a...ing39/02-3.jpg

http://i198.photobucket.com/albums/a...ing39/01-3.jpg

Regards,
Joe Ling

double post sorry

Just curious - are there any actual racing rules that say a gyro can not be used?

ive been asking for opinions on another forum, and they said i need a FAST servo to make it work. If the servo is too slow, it is always playing catch up, and will actually throw the truck even further out of control. Also, if you are going backwards, the gyro will not work at all. It will simply turn the vehicle in circles.
and they really dont know how much a gyro will help me because my truck is 4wd.

I'm not going to make friends on this thread by saying this, but hey..... WTF - just being honest.

Gyros are for helicopters which are completely unflyable without their usage.

Learn to drive your car and you won't need a gyro.

Hi guys,

From my own experience & opinion, I think for offroad cars, gyros will have less impact. If one started from offroad then onroad, then a rate gyro with proper setting will help a bunch to 'smooth' out the steering. I tend to over react on the steering while doing the mini onroad because in offroad, there's not enough steering to go round.

For high speed straight line run shooting for top speed record, a gyro will be useful to keep the vehicle in a straight line I think.

As for using using a fast servo, I think it is not that necessary for onroad. I'm only using a cheap GWS analog servo & it works wonders already.

For going backwards, it will be a handful as the gyro will over exaggerate steering in reverse. That is true.

Regards,
Joe Ling

PS : ufos also benefit from gyros. Guess how many gyros is used to keep this thing afloat ?

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http://i198.photobucket.com/albums/a...9/DSCN3696.jpg

So, i got one Telebee gyro......but i couldnt set the servo at middel position, as it should be on foward position.......

all cables are set, gain, all there......but i have noticed i didnt have ATV pot, i seems to compesate gain missalignment........

so, some tried the telebee without ATV??????? my luck is i didnt paid for it:lol:

But i got a D-box from hpi on the way.....

HPI has the "D-Box" thats a drift assist unit, same dam thing.
Club racing rules may or may not apply. You'll figure out real quick when someone see's it and starts bitchin'.
They are NOT ROAR approved LOL.
Put it in and have Fun !

Where I live many people even know EP cars......only stinky GP stuff......i am not allowed racing with or without gyro......bunch of rednecks.......as i use the car for speed runs and offroad.....inferno+inferno gt......next time i cross some gp onroad car, they will be sorry......

Take an old Am receiver, the humoungous ones, rip the inernals out, then retrofit the circuit board from a spektrum micro receiver- and the internals from the gyro into the cas and you will be good to go:) remember to cover the "spektrum DSM" sticker on your radio. CA an old crystal to the outside of it so it looks official

I fiddled with gyros for a while, kinda fun. The thing I liked it for was a high speed run, when you're braking hard, you track straight (2wd Rustlers don't enjoy stopping from 80+mph), the thing I didn't like was loosing traction under hard acceleration over say 60mph and getting a little sideways, you could see the gyro (even with the gain turned way down) hunting and the car swerving side to side fighting itself...worse than being in 100% control IMO, I'll crash all by myself thanks very much!