Hi I’m planing to buy a CH3-R but I had a few questions, first being can you control the CH3-R with the remote and make it move anyway you want (like a RC car) or is the remote only used to hold preprogramed move. My second question is how hard it it to build and program the
CH3-R? I never really built a robot before but I always wanted to and would appreciate some feedback from other robot builders. Thanks! :mrgreen:
The CH3-R is easy to assemble, but there are a lot of parts so it can take a while. You can check out our assembly guides and tutorials by clicking Information, then Assembly Guides, then click on the robot you are interested in. For simple remote control there is no programming required. You just download a program provided for you. The microcontroller reads the status of the RC controller and moves the legs to make the bot walk the direction you want. These are not pre-canned movements, but rather the angles the servos need to move to are calculated on the fly in real time.
Hello
I have a ch3-r that I bought about six months ago besides for my controller issues it’s a very nice bot and I would recommend it to any one I build mine in 2 day working about 10 hours in total to build it but my advice is to save 1 or 2 months extra and get the best servo option you can I could not cause I had a budget from my dad (I am 17) but i dont think it much more but it’s much better and the stronger the better
Good luck
And happy boting
CodeMaster,
If you do not mind me asking, why would you recomend the servo upgrade? Do the servos you have now lack power? I have considered getting the upgrade which is about $261.00 more I believe. I also want to add a camera and a pair of airsoft guns to the CH3-R when I do buy it. Seeing that you already built one would you still recomend the upgrade?
Thanks,
Oh and if anyone know any other websites where I can buy airsoft guns for a robot I would really appreciate it. Thanks!
CodeMaster one more question I forgot to ask was does the kit come with batteries or will I need to purchase my owm with a charger? Thanks!
You will need battery and matching charger…
Kurt
Thank you Kurt
hi all
last time i weight mine it was about 2.5 kg when my battery is low and walk in high stance the back leg does sometimes lack or on a slippery surface try and slid back out from under it .i was probly expecting to much but i made my own battery first i tryed 3/ 6v 1,8 a lead acid batterys in parallel and it could not lift its self so air soft guns, remote trigger mechnisens, camaras i am sceptical, as to if you what to change bodys like to the phoenix you dont need to buy servos to add if you could till me your load i may be could see if it will work on mine
by
Hmm. Well if your robot seems to be having these problems with too much load on it I think it would be in my best interest to upgrade to the more better servos. I do intend to add more to the robot later on. The load I plan on adding to the robot is two airsoft guns, each weighing 350g, An add on deck, .35, and a camera that weighs 9g.
Here are the sites I found all the accessories:
toyeast.com/v3/pdtdetail.asp … =A02102961
Hi, Ecraciun,
Also check the BRAT MechWarrior thread lynxmotion.net/viewtopic.php?f=7&t=5224 for lots of info using airsoft guns with SES.
Weight is your enemy; torque and runtime are your friends. For your future plans, definitely get the servo upgrade. The bargain price is only good at original purchase. Consider a higher capacity (mAh) battery at the same voltage. Running is more fun than charging.
If you plan to mount the guns in controllable turrets, that means more brackets, servos, and sensors - more weight and more battery drain. If the guns use a different voltage - a separate battery or voltage circuitry - weight.
Have fun! Help us all out with progress reports, pics, and videos. You are embarking on a very interesting project.
BTW: I bought the higher capacity 6V battery for my 4DOF T-Hex. It even fits better than my BRAT battery.
Thank RoboTed I will definently go with the upgrade then. I will also look into getting a higher capacity battery. What type of battery you recomend for me to get? Once again thanks for the advice.
First, let me correct a misimpression I may have given. If you look at the CH3-R product pages lynxmotion.com/c-101-ch3-r.aspx and lynxmotion.com/p-556-ch3-r-combo-kit-for-bot-boardssc-32bap28-and-ps2-controller.aspx, you will see that they both are pointing you toward the [size=150]2800mAh 6V battery pack. That is the one I recommend you use.[/size] (When I bought my T-Hex, I did not order a battery because I intended to reuse my 1600mAh 6V BRAT battery. It is thinner but taller, so it did not fit well inside my frame. So I checked the 2800mAh dimensions and ordered it. Today, in answering you, I rechecked the T-Hex product page and found it recommended the 2800mAh all along. So my brilliant upgrade was what I should have done in the first place. 
)
Second, you will need a charger. I have a good one from earlier hobbies which I use. If you need one, the one from Lynxmotion has the functionality mine has and is cheaper.
If you have not already done so, download all the CH3-R assembly guides and tutorials now and read them. They will point you to other areas you might want to get early answers for. For instance: One of the really nice things about Lynxmotion kits is the flexibility they allow their builders. Power sources are one area of flexibility. (Look at the videos; many builders use umbilical cords for power and/or control.) Because of these user flexible areas, the guides do not specify everything - they don’t say how or where to mount the battery. (Look at the many BRAT configurations.) The guides are:
- Step 1…
- Step 2…
- Step 3…
–
[size=150]USER MAGIC HAPPENS HERE - BATTERIES APPEAR[/size] 
- Step 4… and so on.
[size=150]USER MAGIC HAPPENS HERE - BATTERIES APPEAR[/size] 
Think of this not as omission, but as opportunity. Configuration options lead you to your own inventiveness.
Again, have fun. I’d like to see what you make - and what you make it do! 