How to - 12s T-Rex 600 Setup On A Budget.

[helis101]

Recommend charging them as single 12s packs, ohm matching pairs after 5 gentle hovers for approximately 4 minutes, to discharge to 50%.
I dont have a charger that can charge 2 6S packs as a 12S
.
My Question is can I charge them as single 6s run them in parallel ?
Do i have to charge them in pairs would this degrade them if i dont?

[meatbob]

Here's a treatment of parallel charging. I'm actually purchasing an iCharger 206 to do this.

http://www.helifreak.com/showthread.php?t=207842

[vegham]

Shouldn`t TURNIGY K-Force 70A-HV OPTO Brushless ESC (http://hobbyking.com/hobbyking/store/uh_viewItem.asp?idProduct=9130) be sufficient to use with Scorpion HK-4025-630 on 12S and 12-13 tooth pinion?

Max Continuous Current for motor is 60A and 70A for regulator. It would be a big money saver for my 12S upgrade.

[ferret30]

Here's a treatment of parallel charging. I'm actually purchasing an iCharger 206 to do this.

http://www.helifreak.com/showthread.php?t=207842

Is there anything special about iChargers for parallel charging? I know there's a vendor that sells lots of accessories for that charger for parallel charging, but is there anything special about the charger itself that makes it better for parallel charging?

I'm asking because I already have a pair of Hyperion chargers and a pair of Accucel-8 chargers, and I don't really want to get more chargers, but I'd like to try parallel (at least for my 450 batteries).

[dxflyer]

Thanks OP for this.

I have been enjoying the 12S 600 for about a week and loving it.

I don't know about the hyperion chargers but I have been parallel charging with my icharger 206B for about 7 months and batteries are still giving great performance.

I share my batteries with my 500 and I have 6 batteries. When I am at the field I charge two 6s batteries parallel at 12 amps (balance). Thats 300 watts. Both batteries are done in about 24 minutes and even faster if I dont wait for the last small mah. I am charging the 3000 mah batteries at 2c so 6amps +6amps=12 amps. I use 2 12 volt car batteries and hook them up into a series for 24 volts. Eventualy I will switch to marine batteries. I can fly all day long with the 6 batteries.

13T pinion. My 3000 mah batteries last 7 minutes with little to mild 3d, not that good yet, ending voltage per cell is 3.8 volts per cell and the batteries are barely warm. The batteries are definitely warmer when I take them off the 500. 12s is definitely a lot more gentle to the batteries.

[gfasbend]

Is there anything special about iChargers for parallel charging?

I don't think there's anything special about the iChargers, as long as you've got enough power in your charger to load in parallel.
You need twice as much current to load 2 packs in parallel in the same time.
If your Hyperion charger is eg 50Watt, it's not suitable for parallel charging 2 6S 5000mAh packs, but if you have one of those 300 or 400Watt chargers, I don't see any problems.
So no need to buy any other charger then as far as I can see.

[meatbob]

I just received my iCharger 206 last night. I'm itching to try it out. Based on the previous post by dxflyer, I feel I made the right choice - laying out $250 for a Hyperion DUO or $350 for a Bantam BC8DX did not make sense. I did purchase the P350 PSU from ProgressiveRC as well - did not realize how compact this unit was. It's about the size of two of my 6S 3000 Turnigy packs.

I also appreciate the additional data point about the 13T pinion.

I'm currently running fixed endpoints on a 12T pinion, with idle up curve of 100-92.5-85-92.5-100. My headspeed at the start of the pack at zero pitch is 1920 RPM. I'm going to bump this up to 90% and see what that gets me. I don't think I'll try running gov mode until I bump up to the 13T pinion.

I fly for 6 minutes, and come down with the packs (35C 3000 Turnigys) only lukewarm. I put about 2000 mAh back in.

[rceccleston]

I dont have a charger that can charge 2 6S packs as a 12S
.
My Question is can I charge them as single 6s run them in parallel ?
Do i have to charge them in pairs would this degrade them if i dont?
I would never recommend charging any packs in parallel because this could be a false economy.

If your willing to spend serious money on packs, a few more £$£$ won't break the bank for another charger, to ensure you get the full return from your investment.

However, that's a discussion for another thread. :thumbup:

[rceccleston]

Shouldn`t TURNIGY K-Force 70A-HV OPTO Brushless ESC (http://hobbyking.com/hobbyking/store/uh_viewItem.asp?idProduct=9130) be sufficient to use with Scorpion HK-4025-630 on 12S and 12-13 tooth pinion?

Max Continuous Current for motor is 60A and 70A for regulator. It would be a big money saver for my 12S upgrade.
It looks within spec, however, saving a few £$£$ on a major component could cost more in the event of failure.

[rceccleston]

Is there anything special about iChargers for parallel charging? I know there's a vendor that sells lots of accessories for that charger for parallel charging, but is there anything special about the charger itself that makes it better for parallel charging?

I'm asking because I already have a pair of Hyperion chargers and a pair of Accucel-8 chargers, and I don't really want to get more chargers, but I'd like to try parallel (at least for my 450 batteries).
To ensure a full return from the investment you have made in packs, I would continue to charge as single packs on multiple chargers and fly as marked pairs.

Else, charging in parallel will not allow the charger to identify a faulty cell, which could result in a fire while charging or a power failure during flight.

Either way, it's a risk I personally wouldn't take.

[dxflyer]

I also appreciate the additional data point about the 13T pinion.

I'm currently running fixed endpoints on a 12T pinion, with idle up curve of 100-92.5-85-92.5-100. My headspeed at the start of the pack at zero pitch is 1920 RPM. I'm going to bump this up to 90% and see what that gets me. I don't think I'll try running gov mode until I bump up to the 13T pinion.

I fly for 6 minutes, and come down with the packs (35C 3000 Turnigys) only lukewarm. I put about 2000 mAh back in.

I am running fixed endpoints with a throttle curve of 100-95-95-95-100. My headspeed with fully charged batteries using a tach, no pitch, is 2150 -2180 rpm at the 95%. This is also with my older 2 turnigy 6s 3000mah 20c batteries; about 40 cycles each. I now also have 2 6s 3600 30c batteries and 2 6s 3300 30c batteries. I have compared my old 20c batteries with the 30c and the old 20c are performing about the same as the new 30c.

Parallel charging we can talk about offline or another topic. But I have been doing that for a while with 3- 3s batteries and 2-6s batteries. Just to clarify I charge the 3s and 6s separately. So far so good.

[adroc3905]

Is it just my timing or has HobbyKing been out of stock on the 6s lipos for a very long time? I have been checking weekly for over a month and still nothing. My 12s 600 sits on a shelf waiting and waiting.

Anyone else has comparably priced lipo ideas that work just as well?

[dxflyer]

two of my 6s came from hobbypartz.com Comparable price. I got the heavier ones; 6s 3300 about 2.7 ounces heavier per battery.

[rceccleston]

Is it just my timing or has HobbyKing been out of stock on the 6s lipos for a very long time? I have been checking weekly for over a month and still nothing. My 12s 600 sits on a shelf waiting and waiting.

Anyone else has comparably priced lipo ideas that work just as well?
I believe the delay has been due to their warehouse relocating from Hong Kong to Germany.

It appears they are working through the backlog as a mates packs have been shipped two weeks after placing his order.

[adroc3905]

I believe the delay has been due to their warehouse relocating from Hong Kong to Germany.

It appears they are working through the backlog as a mates packs have been shipped two weeks after placing his order.

So maybe I should just order them eventhough the status is "BK" and wait it out? I am so itching to get this bird in the air.

[ferret30]

Is it just my timing or has HobbyKing been out of stock on the 6s lipos for a very long time? I have been checking weekly for over a month and still nothing. My 12s 600 sits on a shelf waiting and waiting.

Anyone else has comparably priced lipo ideas that work just as well?

You should register for notices when parts come in stock. At the bottom of any product page is a little box where you can enter your email and they'll automatically send you a note when the product comes in.

This might not actually help though -- I got an email that 6S 2650mAh 30C Turnigys came in stock at 3 in the morning and by the time I was up they were all gone again.

[rceccleston]

So maybe I should just order them eventhough the status is "BK" and wait it out? I am so itching to get this bird in the air.
Personally, I would hold off reserving on back-order, register for the stock alerts and purchase when the stock returns.

[jacobmarble]

Is it just my timing or has HobbyKing been out of stock on the 6s lipos for a very long time? I have been checking weekly for over a month and still nothing. My 12s 600 sits on a shelf waiting and waiting.

Anyone else has comparably priced lipo ideas that work just as well?

http://hobbyking.com/hobbyking/store/uh_viewItem.asp?idProduct=10300

Turnigy 6s 3000mAh 40C. I had these on backorder for over a month. They finally came into stock last week, and they are still in stock. Mine arrived yesterday.

EDIT: I just checked stock levels through their drop-ship API, there are 316 of these in stock right now.

[dfrazier]

Just went flybarless on my 12s 600ESP and all I can say is WOW! I used to fly 4:30 and put back between 2000 and 2200 mAh in my 3000 packs. I upped my timer to 5:00 with the fbl and now I put back between 1700 and 2000 mAh. I am currently using a 14T pinion on my 4025-630 in gov mode because I broke a tooth off of my 12T pinion and the 14 is all I had available. I am going to get a new 12T and go back to 100% flat and should be able to get 6 min or more.
For my fbl setup I am using +-14 pitch and +-12 on cyclic. Yesterday I was flying in 25 to 30 mph winds and it was rock solid. Not to mention the amount of speed it gained. I would be willing to bet it was doing over 100 mph down wind.
Flybarless is pretty cool but takes some getting used to.

[rceccleston]

Just went flybarless on my 12s 600ESP and all I can say is WOW! I used to fly 4:30 and put back between 2000 and 2200 mAh in my 3000 packs. I upped my timer to 5:00 with the fbl and now I put back between 1700 and 2000 mAh. I am currently using a 14T pinion on my 4025-630 in gov mode because I broke a tooth off of my 12T pinion and the 14 is all I had available. I am going to get a new 12T and go back to 100% flat and should be able to get 6 min or more.
For my fbl setup I am using +-14 pitch and +-12 on cyclic. Yesterday I was flying in 25 to 30 mph winds and it was rock solid. Not to mention the amount of speed it gained. I would be willing to bet it was doing over 100 mph down wind.
Flybarless is pretty cool but takes some getting used to.
Cool.

What make was your 12T pinion??

What flybarless head and system have you installed??

[rceccleston]

Just went flybarless on my 12s 600ESP and all I can say is WOW! I used to fly 4:30 and put back between 2000 and 2200 mAh in my 3000 packs. I upped my timer to 5:00 with the fbl and now I put back between 1700 and 2000 mAh. I am currently using a 14T pinion on my 4025-630 in gov mode because I broke a tooth off of my 12T pinion and the 14 is all I had available. I am going to get a new 12T and go back to 100% flat and should be able to get 6 min or more.
For my fbl setup I am using +-14 pitch and +-12 on cyclic. Yesterday I was flying in 25 to 30 mph winds and it was rock solid. Not to mention the amount of speed it gained. I would be willing to bet it was doing over 100 mph down wind.
Flybarless is pretty cool but takes some getting used to.
Cool.

What make was your 12T pinion??

What flybarless head and system have you installed??

[Shef]

I'm currently using the ICE HV80 to run my 12S rig and the power wires are 10AWG. If my serial connector is thinner wire, am I potentially hindering my system?

Thanks.

[dxflyer]

How much thinner? When I did my series connector I went on several websites regarding wattage and wire gauge size. Since we have 12s; not a lot of amps go through it. I went with 12 gauge wire; and kept it as short as possible. You should be okay with 12 gauge. My batteries I bought from hobbypartz had 12 gauge on it. The battery is 6s 3300mah 30c. 90 amps continuous and they put 12 gauge. I feel ok with 12 gauge.

[Shef]

Good question. I wouldn't go as far as to say it's half the width, but it's definitely thinner. Additionally, I use a parallel connector between the ESC & BEC that connects to the serial connector ---> that then connects to the packs. I added the Parallel connector between the ESC & BEC and the Serial connector in order to have the ability to remove one of them easily without unsoldering them.

154720

Don't get me wrong, my system runs great, but would it run much better by losing some of the excess wire and Deans connectors between then.

[rceccleston]

Below are a few pictures to show how mine are connected.

http://www.helifreak.com/picture.php?albumid=2567&pictureid=36999

http://www.helifreak.com/picture.php?albumid=2567&pictureid=37000