RE: Walkera 5#10 (Full Version)

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helikiller -> RE: Walkera 5#10 (5/31/2008 9:19:51 PM)

I don't think I'd bend the battery. I'm going to fasten mine to the bottom of the frame with some small velcro straps. By the way the Xtreme blades are BadA@#$% blades. With the stock battery they shorten the flight time a little but the little beggers goes like a bat. They really do have a lot more lift than the stock blades, they are about 3/8" longer than the stock Lama 3/4 blades and the stock HM5 #10's but they work fine and are much more durable. be great to see how they do with the HiCap battery. If I ever get mine I'll post a photo of the mount.



helikiller -> RE: Walkera 5#10 (6/3/2008 1:53:18 PM)

Well I finally got the batteries from MaxAmps. I got the connectors soldered and the batteries wrapped. They allow about 10 mins of flight time as opposed to 7 mins with the stock battery. I got to fly two packs yesterday then the wind got to high for the little coax but there is a real improvement in flight time and power with the MaxAmp cells. I ended up putting Velcro on the inside of the skid mounts and on top of the cell. Works fine. The other thing I bought is a Great Planes Lipo 4 charger, there a little pricey but allow you to charge four cells at the same time. The charge rate is adjustable for each cell and it cuts the charge time to one hour. Look on the Great Planes Electrifly site. Great Charger!!!!!!!!!!



helikiller -> RE: Walkera 5#10 (6/3/2008 5:53:55 PM)

Ok, here are the photos with the SuperSkids, MaxAmp Battery and the Xtreme Blades.[image][/image] Next project is to reverse the frame rails and machine some spacers to widen the battery holder enough to allow the MaxAmp cell to mount in the battery holder. Oh yea, I found some 180 size motors from Xtreme, so that's after the spacer thing



DocBob -> RE: Walkera 5#10 (6/3/2008 6:05:50 PM)

I have used Super-Skids for a few weeks on my Walker 5G10 2.4 gHz with great success! I am interested in tryint the Xtreme blades. Any suggestions as to where to get them in the USA ??



helikiller -> RE: Walkera 5#10 (6/3/2008 6:52:27 PM)

My suggestion would be to get them from Mike, Jr. at Ka-planes. Their web site is ka-planes.com. They may be a bit higher than some of the others but their service is second to none.



Butters -> RE: Walkera 5#10 (6/3/2008 8:18:13 PM)

I too did the velcro but made a strap.

But guess what I found and ordered recently and they are almost here! Guess. . . . Come on guess. . . . Ok give up?

http://www.jutstar.com/sf/xrbblades.htm

Yes that's right gents! Direct fit carbon fiber blades! OHHHHHHHH yeah! [:D]



helikiller -> RE: Walkera 5#10 (6/3/2008 9:24:55 PM)

Those look great, a little rich for my blood. The Xtreme blades are really tough and $ 4.00/set. Think I'll wait and see how hard it is for you to break th CF's before I invest that much money.



Butters -> RE: Walkera 5#10 (6/4/2008 2:50:12 PM)

I will certainly post pics and a review here! [&:]



Butters -> RE: Walkera 5#10 (6/6/2008 7:13:11 AM)

I received the blades today and wow they are beautiful.

But. . . . They won't work for the 5#10

This heli fits Lama v4 blades and CX2 blades so I figured your blades would fit too. Well they were too thick so I took one set and sanded them down to fit into the blade holders.

Well, the heli won't lift. Even with a fresh back and the throttle trim up all the way it just sits.

So I put back my Lama v4 blades and it lifted at 1/4 throttle.

Well now I'm sitting on one set that I altered so I know the seller won't refund that set but the other set I hope he does except back for a refund. Oh well it was worth the try.



helikiller -> RE: Walkera 5#10 (6/6/2008 1:15:46 PM)

That's kind of wierd, they fit my 5 #10 just fine and fly great.



Butters -> RE: Walkera 5#10 (6/6/2008 2:58:55 PM)

helikiller,

the blades in question are these: http://www.jutstar.com/sf/xrbblades.htm

Remember you said they are too rich for your blood right now.

The guy said I can return the second set. But I am at a crossroad here, I can (A) sell off the set I sanded and try to make some of my money back or (B) cut them down and try them on my brushless 5#6.

hummmmmmm



helikiller -> RE: Walkera 5#10 (6/6/2008 3:01:48 PM)

Butters, sorry I thought you were saying the Xtreme blades didn't fit. I guess you were refering to the CF blades you posted.



Butters -> RE: Walkera 5#10 (6/7/2008 6:18:33 AM)

No problem. [:)]



droggy -> RE: Walkera 5#10 (6/7/2008 7:12:52 AM)

Ordered my 5 10 2.4g and will be here on monday. Do many people have the 2.4g and if so, happy with it? Can't wait, heard so much good stuff about this heli.



msdavid -> RE: Walkera 5#10 (6/8/2008 2:31:14 PM)

Hello, I am new to the forum but thought someone would be interested in knowing that I was able to modify the Walkera 5#10 so I can fly it with the DX7 using the 4in1 for the E-Flite Blade CX2 (EFLH1024 60USD) and 2S batteries, the helicopter became even easier to fly and got better response , more cyclic and throtle response. It handles much better than before on slightly windy conditions.

BTW, I love this bird, I also own a Lama 5 (Colco) and a Lama 4 (E-Sky), and I must say that although they are very good machines, none can be compared to the 5#10, this baby its truly amazing, smooth, robust and stable. First I was skeptical because Walkera dos not have good reputation, but when I got my 5#10 I could see that this little bird was different. Awesome machine. Ok, enough of that.

I have a Spektrum DX7 radio (and some big birds :) and wanted to be able to use it with my 5#10 so I did some research and got it working.
Those who know what the DX7 is, also know what the advantages are using this radio, but here I will give you some Idea why you could consider buying one.

The DX7 is a 7 channel transmitter from a maker called Spektrum, it uses DSM2 2.4Ghz technology that eliminates possible interferences or conflicts of frequencies, has larger range and uses an small antenna. The DX7 is usually one of the pro's favorite. It is a fully computerized radio that allows you to have several programs for different machines (helicopters, planes, ect) this means that you can use the same radio with many helis. The DX7 is fully digital, so the trims and adjustments are very precise and programmable. You can program the response curve of the control sticks to your likes or level of experience. You can create mixing programs that will simplify your flying experience. For example you could create a mixing program that would automatically increase or decrease throttle according to your cyclic input (roll left, right,back or forward) this avoids your helicopter loosing thrust and going down or up when you apply cyclic. (this is just an example of a possible mix).
These are just a very few possible benefits of the DX7, I could not mention all the benefits of using this radio here.

If anyone would like more details, just let me know I can provide more info and some pics.

Have fun.



DocBob -> RE: Walkera 5#10 (6/8/2008 3:03:59 PM)

I have three of the 5G10 2.4 gHz models and they are great. Although I can see the advantage of the DX7 controller, the stock Walkera 2.4 gHz controller (which also works with their 5G6 and other 2.4 gHz models, with the flick of a couple of dip switches). Unfortunately, I have received units directly from China (eHirobo.com) which did not work, and service for repair or replacement is worthless due to their policies, and the high cost of shipping. I suggest getting from US stores (such as Calvinlynn.com or Ka-planes). You pay a bit more, but they will test a unit before shipping it to you.[8D]



GTX SlotCar -> RE: Walkera 5#10 (6/8/2008 5:33:05 PM)

quote:

ORIGINAL: msdavid
....using the 4in1 for the E-Flite Blade CX2 (EFLH1024 60USD) and 2S batteries....


A while ago I put an Esky Lama4 4in1 in my 5#10. There's a post about it a couple pages back where I was going to try it, but I never posted the results.
I also had to use 7.4v LiPo packs. I had hoped it would run on the stock 3.7v single cell, but it's not enough to power the 4in1. I don't know of any mods that can be done to change it.
I use a battery clip from a superskids kit to hold the battery under the heli. The opening in the battery compartment isn't tall enough for a 2 cell LiPo. Other than that, the other concerns I had about the motor & gyro setup causing trouble didn't happen. It was an easy conversion. Of course, it won't work with the stock 5#10 transmitter. [maybe the 2.4ghz will work]
With a 2 cell LiPo, this thing is a rocket ship - extremely fast. The motors do get very hot, but a couple days after I did the conversion I crashed against a '57 Chevy. No real damage was done to the 5#10, but the gyro in the Lama 4in1 stopped working. That's why I didn't post the results. I got another 4in1 to put in, but haven't had time to do it yet. I wanted to post a video with it.

msdavid, since I wasn't able to do much testing, I don't know how long the motors will last with the extra voltage. Can you give us any more info about this?

For those wondering why anyone would want to put the CX2 or Lama 4 4in1 in one of these, look at this video. These 4in1s lock in lock crazy. From 0 to full throttle, the nose doesn't even turn a little. It's rock solid. I'd like to try one of these 4in1s in a Honeybee FP, but I think they'll burn out because of the amps drawn from the larger motor. Still, for $40 it might be worth a try.
http://youtube.com/watch?v=oMllK3t9Krc




droggy -> RE: Walkera 5#10 (6/8/2008 7:05:55 PM)

What's the max voltage I should charge my 3.7v battery to. 4.15V?



DocBob -> RE: Walkera 5#10 (6/8/2008 7:12:47 PM)

Gary:
Very nice video. We assume you are not adjusting for yaw as you throttle up and down ??
I love your superskids and I'm surprised they are not on your 5#10.
[;)]



GTX SlotCar -> RE: Walkera 5#10 (6/8/2008 7:48:05 PM)

I think the max. voltage before damage occurs is just over 4.25v per LiPo cell. Up to 4.2v should be safe.
Max. drain before damage (won't take a charge any more) is 2.65v under load. To be safe, we usually say 3v.

-

I wan't adjusting the yaw at all. Just hitting the throttle.
SuperSkids are on and off my 5#10 depending on what I'm testing. I seldom get to fly for pleasure anymore.



msdavid -> RE: Walkera 5#10 (6/9/2008 2:37:03 AM)

Gary, I haven't test it for long time either (about 10 flights) but this is my theory: The ESC is controlling the output voltage to the motors (thats how the speed is controlled) and you regulate the throttle just to lift the aircraft, so unless you are at full throttle (never the case) the motors do not suffer from over voltage but only the extra load of the battery weight which IMHO should not be a problem because it only represents an increase of 15% of the overall weight of the aircraft.
So I think there is no risk for the motors and you get an extra boosts when necessary :). If you are using the DX7, you can also reduce the output of your throttle so that at full movement of the throttle stick you get only a 50% output, which then will result on your motors never getting more than the 4 to 5v they originally were designed for (well, I do not know what they were designed for, 130 size motors normally can very well handle up to 8.2v).

So I think we are safe with the motors ;)



GTX SlotCar -> RE: Walkera 5#10 (6/9/2008 6:55:58 PM)


quote:

ORIGINAL: msdavid

...which then will result on your motors never getting more than the 4 to 5v they originally were designed for ...


I use a Hitec Eclipse 7 with mine.
The motors are controlled by PWM (pulse width modulation). The motor always receives full voltage and zero voltage. Each pulse is about 600 micro seconds (I believe) and which portion of that has full voltage and which portion has zero voltage is what controls the speed. (for others reading this, a micro second is a millionth of a second). Even if we assume we're running the "full power" pulse for half as long, it's hard to tell if that will translate to half the heat, but it's not likely. I believe the motors hold the heat longer than it takes to create it. Probably some kind of formula could be applied, but it still wouldn't be specific to these motors.

The easiest way to find out how long the motors will last with 2 cell LiPo packs is to just run them. You've got more flights on yours already than I do on mine.
I sure wouldn't mind seeing some pictures or videos of yours if you ever get some. I bet it flies great.



msdavid -> RE: Walkera 5#10 (6/10/2008 11:00:52 AM)


quote:

ORIGINAL: GTX SlotCar


quote:


The motors are controlled by PWM (pulse width modulation).


Oops, I always thought it was voltage regulated :( . Anyways, I've got now 14 flies, the motors get really hot after 10min so I always give it a rest after 10min.
I started counting at 10 (maybe had more flies actually) now, 14 and counting :)

Will post some pics when I get time to take some ...





msdavid -> RE: Walkera 5#10 (6/15/2008 2:30:19 PM)

On my 19th fly my receiver burned, apparently is a known issue with the Blade CX2 controller.
So I tried a new thing: Used a Spectrum AR6100 Receiver, a futaba G190 gyro and two Skyborne 7A ESCs.
The trick was creating the right rudder/throttle mixing but after failures and more failure, I got it flying awesome.
It flies like never, I have some really cool mixing programs for landing, aleiron imput etc. I am very Happy with the resault.
And BTW, now I can use the standard 1S battery.

I tried to upload pictures but I could not figure out how to :(

See the video:

http://video.google.com/videoplay?docid=-7622853063104608369&hl=en



RavenC -> RE: Walkera 5#10 (6/16/2008 7:25:51 PM)

This is my first experience with R/C heli's. I have had my 5#10 for a couple of weeks now and think it's great. Have the super-skids (awesome too). I was out doing some driveway hugging with my training gear set and my neighbor came out and saw it. Long story short, His wife contacted me and purchased a 5#10 for Fathers Day.

So, here we are, two neighbors with two stock 5#10's. I wanted to ask if the transmit/receive will be a problem, as both of ours read FM frequency 72.790? I don't know if one of us (me) needs to get a different channel, and if I do, how do I go about that? Or, are they some how synced between the transmitter and reciever and it wont bother each other?

Thanks for any assistance.

Leland



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