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Old Mar 22, 2015, 10:38 AM
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Joined Mar 2015
9 Posts
Help!
Battery Connectors and ESC

I am new to building RC planes and was starting to gather parts that I needed from Hobby King for my first foamie. I wanted to know, do I need to solder the battery connectors to the ESC to fit the right batteries I am using or do some of the ESC's come with connectors or am I missing something?

Also here is the ESC/ motor/ Battery combo I was looking at for my flat 30" foamie the Yak55. Are these a good combo that should work well together? Do I need to buy some sort of battery connector or adapter?

ESC - https://www.hobbyking.com/hobbyking/...dProduct=33293

Motor - https://www.hobbyking.com/hobbyking/...dProduct=33308

Battery -
https://www.hobbyking.com/hobbyking/...dProduct=24598

OR

http://www.hobbyking.com/hobbyking/s...arehouse_.html
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Old Mar 22, 2015, 10:55 AM
Be safe son - Fly low and slow
Mad_Mike's Avatar
Canada, ON, Lyn
Joined Feb 2015
147 Posts
The ESC will need connectors soldered on by you.

The motor may come with connectors and heatshrink, it may not.
HK has a habit of including things that you need without indicating that they are included.
The parts are so cheap that you may as well order them along with the other stuff.
The XT60 connector on your 1000mAh battery is excellent, you can get 5 sets pretty cheap.

The red(JST) connector on your 850mAh battery is OK for lower currents and is also smaller and lighter.

XT60 here.

JST male here.

JST female here.

If you live in Canada you will find shipping pretty expensive if you have LiPos in your order.
I buy them here.
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Last edited by Mad_Mike; Mar 22, 2015 at 11:04 AM.
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Old Mar 22, 2015, 11:06 AM
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Joined Mar 2015
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Thanks, just what I needed to know!
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Old Mar 22, 2015, 11:59 AM
Hot glue held together by foam
United States, WA, Vancouver
Joined Aug 2010
3,565 Posts
If you are building LeadFeather's Yak 55 I recommend getting a lighter battery , no larger than 500mah . Your plane ( ANY plane ) will fly better if you keep it lightweight .
Remember the video I posted in your other thread , he used these electronics on the same plane :
6 A ESC, 1811 2000kV 10g motor, 6030 prop, AUW with 2S 180mA battery 85g

Depron Yak-55 (4 min 28 sec)
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Old Mar 22, 2015, 02:47 PM
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Thanks again balsa or carbon. I think I will try and get some smaller components like the ones you listed.

I am thinking (just browsing HK)


Turnigy 1811 brushless Outrunner 2900kv - 12gram
http://www.hobbyking.com/hobbyking/s..._8142__Turnigy

TURNIGY Plush 10amp 9gram Speed Controller
http://www.hobbyking.com/hobbyking/s...ontroller.html

ZIPPY Compact 500mAh 2S 25C Lipo Pack (Should I get smaller)?
http://www.hobbyking.com/hobbyking/s...dProduct=25518

---

Female JST battery pigtail 12cm length (10pcs/bag) (US Warehouse)
https://www.hobbyking.com/hobbyking/...dProduct=50017

a 6030 prop

Also thinking I should get some sort of scale to weigh my plane and components to get a better judgement of what I need. Are most people using kitchen scales?

Edit: Also just trying to get some components that might be good for a wide range of planes/ things I might need in the future (like a scale/ a multi battery charger/ soldering iron/ holder, maybe a heat gun etc). Anything else that would be good to invest into early on? I am starting from about nothing besides some cheap exacto's and some Dollar Tree Foam, some variety of packing tape (re-inforced and lightweight)
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Last edited by rdallaire; Mar 22, 2015 at 03:13 PM.
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Old Mar 22, 2015, 03:23 PM
Hot glue held together by foam
United States, WA, Vancouver
Joined Aug 2010
3,565 Posts
Quote:
Originally Posted by rdallaire View Post
Thanks again balsa or carbon. I think I will try and get some smaller components like the ones you listed.

I am thinking (just browsing HK)


Turnigy 1811 brushless Outrunner 2900kv - 12gram
http://www.hobbyking.com/hobbyking/s..._8142__Turnigy

TURNIGY Plush 10amp 9gram Speed Controller
http://www.hobbyking.com/hobbyking/s...ontroller.html

ZIPPY Compact 500mAh 2S 25C Lipo Pack (Should I get smaller)?
http://www.hobbyking.com/hobbyking/s...dProduct=25518

---

Female JST battery pigtail 12cm length (10pcs/bag) (US Warehouse)
https://www.hobbyking.com/hobbyking/...dProduct=50017

a 6030 prop

Also thinking I should get some sort of scale to weigh my plane and components to get a better judgement of what I need. Are most people using kitchen scales?

Edit: Also just trying to get some components that might be good for a wide range of planes/ things I might need in the future (like a scale/ batter charger etc)
I think those electronics will be fine .

Are you in the USA ? You can get an inexpensive scale at Harbor Freight that measures in ounces or grams . And you can get electronics with the connectors already soldered on at HeadsUp RC . Their HURC brand motors are comparable to HobbyKing hexTronik motors .

http://www.headsuphobby.com/
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Last edited by balsa or carbon; Mar 22, 2015 at 07:41 PM.
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Old Mar 22, 2015, 03:52 PM
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Thanks again! Heads UP RC looks like they have quite a bit of what I am looking for.
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Old Mar 22, 2015, 05:25 PM
Hot glue held together by foam
United States, WA, Vancouver
Joined Aug 2010
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Quote:
Originally Posted by rdallaire View Post
Thanks again! Heads UP RC looks like they have quite a bit of what I am looking for.
HURC usually processes and ships my order the same or next day , and also has flat rate $2 shipping in the USA contiguous 48 .
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Last edited by balsa or carbon; Mar 22, 2015 at 07:41 PM.
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Old Mar 22, 2015, 08:22 PM
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Canada
Joined Nov 2000
7,568 Posts
Hobby King shipping works fine.
Although Lipos definitely need come from the US warehouse.
Buy everything from there?
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Old Mar 22, 2015, 09:19 PM
Old age is not for sissies
Azarr's Avatar
Dayton Intl, Ohio, United States
Joined Jan 2000
8,163 Posts
Unless you build a very lightweight version of the Yak 55 like the 3 mm Depron version in the video the 1811 just won't be enough motor., particularly since you're talking about laminating layers of DTF. My lighest Depron version was 4.1oz with a hacker A10-15s but the average stock build is in the 6-7oz range. (I actually prefer the stock versions better) The HXT 1500 Kv "blue wonder" is a much better
choice.

Regardless, you certainly wouldn't want the 2900Kv version you linked to, you'd be restricted to a 4" prop.

Azarr

FWIW, to avoid confusion you might want to ask a moderator to consolidate this with your other thread.
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Last edited by Azarr; Mar 22, 2015 at 09:27 PM.
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Old Mar 22, 2015, 10:08 PM
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I am using just 1 sheet of DTF and not laminating it and it is also the 30" version. Going to try and stay light for my first attempt.

I went with this
http://www.headsuphobby.com/HURC-180...otor-H-560.htm

and the 7amp ESC with the 350 mAH battery that they recommended. I think this is what I needed to just get started.

I hope it's not under powered. If it is, I could just build a smaller plane (or version of the Yak55) right?

Yes, I was not sure the best way to post to the forums, and should of just used my one post for all of this. If a moderator wants to merge them please go ahead and do so.

Thanks,
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Old Mar 22, 2015, 10:13 PM
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Joined Nov 2014
630 Posts
I think you made a good choice, and don't worry about the thread thing, you will figure it out
as you go. It is nice to have someone come here for help, and listen to the advice from the
people that have been at it for some time. Welcome to a great forum and hobby.
Balsa Carbon is one of the best here. I salute him for his effort with the noobies.
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Old Mar 23, 2015, 03:31 AM
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New Zealand, Canterbury, Rolleston
Joined Oct 2011
1,202 Posts
A digital voltmeter (HK ~$US7), pinned nylon hinges, metre of Velcro, ~0.8 mm SS welding rod for push rods, Z pliers for bending Z bends in it, knives with snap-off blades plus blades (HK), scales from HK,

Gorilla polyurethane glue from your local hardware shop, bamboo skewers, cheaper than carbon and at times just as good.

2.5 mm nylock nuts and bolts (should be the motor mounting size), 2 mm or 3 mm light plywood for motor mount bulkheads.

Lots of plastic bottles for storing all the bits in (peanut butter jars?). A small hacksaw, a vice is handy, screwdrivers (lots and in jeweler's size), Allen keys. Prop savers and possibly extra O rings. Make sure what you buy suits the motor shaft diameter.

That's possibly half the list of things you will need ......
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Old Mar 23, 2015, 07:33 AM
Old age is not for sissies
Azarr's Avatar
Dayton Intl, Ohio, United States
Joined Jan 2000
8,163 Posts
Quote:
Originally Posted by rdallaire View Post
I am using just 1 sheet of DTF and not laminating it

I went with this
http://www.headsuphobby.com/HURC-180...otor-H-560.htm

I hope it's not under powered. If it is, I could just build a smaller plane (or version of the Yak55) right?

Thanks,
That motor is a much better choice than the 2900Kv version you linked to originally.

The key to decent 3D flight is low wing loading (oz per square foot) You see how "floaty" the plane in the video is. So, you can see that if you keep the equipment the same, but make the plane smaller, the wing loading will increase. If you feel this is underpowered, I'd choose a different type of airframe rather than a smaller Yak.

Sounds like you're on the right track, make sure and let us know how it works out for you.

Azarr
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