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Old Aug 28, 2010, 01:15 PM
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U.K.
Joined Aug 2010
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Ok,I've been going through this thread and have read through a few hundred pages and have printed out the plans for a 33" UC version.
Although I have some time on a Honeybee FP helicopter this will be my first fixed wing aircraft so I would like to ask for some advice on components.

For the motor,from what I've read,the hexTronik 24g brushless outrunner 1300kv seems the most popular choice http://www.hobbycity.com/hobbycity/s...idProduct=2069

For an ESC I was thinking TowerPro 9g w12A Brushless Speed Controller http://www.hobbycity.com/hobbycity/s...eed_Controller as it's light.

I already have some 2S 1000mah 20C LiPo packs so I'll be using them.

What would be a good prop to match the above as I've no experience of choosing such things and have found many different types mentoned?

Would this be ok? http://www.hobbycity.com/hobbycity/s...9mm)_(6pcs/set) as the numbers seem to be in the middle of the various ratings I've seen.

Would 40mm wheels be about right?

From what I've read it appears that Tony came up with the perfect trainer airplane and that everyone here is very helpful and innovative.

Thanks in advance for any advice.
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Old Aug 28, 2010, 04:11 PM
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philipa_240sx's Avatar
Ontario, Canada
Joined Apr 2010
2,530 Posts
Although I have never used them, I've heard of issues with those TowerPro Mag8 ESC's. IMHO, buy either a Turnigy Plush or Mystery Blue Series. Don't forget to buy a matching programming card if available.

HK is currently out of stock on the Turnigy Plush ESC's, you can buy locally (USA) at HobbyPartz. They sell Hobbywing and Exceed RC ESC's. Turnigy Plush, Hobbywing and Exceed RC are all the same ESC... just rebranded. IMHO these are the best bang for the buck in ESC's:

http://www.hobbypartz.com/60atoproelbr.html

The GWS 9x4.7 prop you have chosen is ideal for that motor on 2S. I have run the same setup on several planes and it works very well.
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Old Aug 28, 2010, 04:11 PM
treefinder
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SE MI
Joined Oct 2004
9,623 Posts
The towerpro esc's have had issues with programming, (complicated and not the same # beeps between models) but for an easy flyer, you will probably just use it as it comes. The similar size Hobbyking SS model esc's are good too. For the motor/pack on a 33, I'd start with a GWS 8040.

Good luck! your assessment is right on, she's a great flyer!
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Old Aug 28, 2010, 05:07 PM
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U.K.
Joined Aug 2010
9 Posts
Thanks for the replies.I should've probably mentioned that I'm in the U.K.

Anyway,I've had another look at ESCs and come up with these two.

First is

Mystery 12A Brushless Speed Controller (Blue Series) http://www.hobbycity.com/hobbycity/s...idProduct=9485

I guess 1A BEC should be ok to power a receiver and 2 micro servos.

Second is

Hobbyking SS Series 18-20A ESC

http://www.hobbycity.com/hobbycity/s...idProduct=6457

Bit bigger and heavier but higher current rating so could be handy for future projects and cheaper too.

Any opinions welcome.
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Old Aug 28, 2010, 05:27 PM
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Canada, MB, Winnipeg
Joined Nov 2006
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Here is my 2 cents worth, based on my own experience with the great little Blue Baby.

http://unitedhobbies.com/UNITEDHOBBI...idProduct=4854 is great combo for it. But I changed the prop to a 10x8, and was much better.
I started off using a 2s 1300 ma battery, but later switched to 3s 1300ma for much longer flights and more power.

I am still using the same motor with well over 100 flights on it.

Oh, and use a prop saver........well worth the $2 http://unitedhobbies.com/UNITEDHOBBI...idProduct=3738




Quote:
Originally Posted by ade h View Post
Ok,I've been going through this thread and have read through a few hundred pages and have printed out the plans for a 33" UC version.
Although I have some time on a Honeybee FP helicopter this will be my first fixed wing aircraft so I would like to ask for some advice on components.

For the motor,from what I've read,the hexTronik 24g brushless outrunner 1300kv seems the most popular choice http://www.hobbycity.com/hobbycity/s...idProduct=2069

For an ESC I was thinking TowerPro 9g w12A Brushless Speed Controller http://www.hobbycity.com/hobbycity/s...eed_Controller as it's light.

I already have some 2S 1000mah 20C LiPo packs so I'll be using them.

What would be a good prop to match the above as I've no experience of choosing such things and have found many different types mentoned?

Would this be ok? http://www.hobbycity.com/hobbycity/s...9mm)_(6pcs/set) as the numbers seem to be in the middle of the various ratings I've seen.

Would 40mm wheels be about right?

From what I've read it appears that Tony came up with the perfect trainer airplane and that everyone here is very helpful and innovative.

Thanks in advance for any advice.
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Old Aug 28, 2010, 08:06 PM
Crash it first, Then fly it
Griffindor's Avatar
The Big Apple
Joined Jul 2008
536 Posts
hobbycity.com, unitedhobby.com, and hobbyking.com aren't working for me. It always says that "The requested URL /www.oneofthethreesiteslistedabove.com was not found on this server."
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Old Aug 28, 2010, 09:18 PM
treefinder
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SE MI
Joined Oct 2004
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Ade: I have one of the Hobbyking ss 18-20esc's and it works fine for me. Didn't need to do anything to program it i.e. just soldered connectors and plugged it in. I think it autodetects the number of cells in the lipo pack, a useful feature.

Griff: try clicking on the hobby king header at top of this page. It always takes me there (and I think it makes some money for RCG)
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Old Aug 28, 2010, 09:23 PM
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JohnsPop's Avatar
LaGrange, GA
Joined Jun 2009
1,817 Posts
I had a problem with one of the TowerPro Mag8's too..... Even though I was using a lipo I had to tell it I was using a nimh battery. Once I did that it worked ok, but it was a nightmare figuring that out. I too like the Exceed ones that Philip pointed out. I've also had good luck with the HK SS series. Both the Exceeds and the HK's, I just plug 'em in and let 'em rip. I do have an HK SS that is squirrely right now, but I think that may have been from ramming it into the concrete a few times.
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Old Aug 28, 2010, 10:18 PM
If it flies, I will crash it
mxspode's Avatar
USA, CO, Westminster
Joined Jan 2008
3,022 Posts
Same here. A couple of Mag's and both problematic. The HK-SS ESC have however been real good to me. I actually have an SS40 on my T-Rex 450 and I have no complaints. Works fine. I am slowly switching to CC ESC's these days to support the local LHS's but frankly the HK's have worked fine.

Rob...
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Old Aug 28, 2010, 10:48 PM
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Canada, BC, Williams Lake
Joined Jan 2010
4,178 Posts
ive had decent luck with the rctimer esc's had a few i had to change the timing from low to medium setting or else the motor would cut out or lose time if the throttle was move to max to quickly . Very easy to program with included instructions
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Old Aug 28, 2010, 11:43 PM
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Freddie B's Avatar
Omaha Nebraska
Joined Feb 2006
5,992 Posts
ade h,

BB 33 has plenty of wing area so an 18-20 Amp esc is fine. You could get a 10-12 Amp if you consider the cost is cheap enough, but compare weights and a couple grams here and there won't matter much. Batteries that different people use make a much larger weight differance and they all work fine!

Most Chinese ESC'c work well for the price. Most work well with out of box configuration. After flying fixed wing a while, you will want to mess with things for the fun and slightly better performance sometimes. Believe me plug and play works well.

I didn't know if Ripmax is still in business in the UK, but I used to get plenty of their stuff in USA when Hobby People carried their stuff. Real good luck with their gear, but again, if chinese is cheaper, I'm not having problems with their stuff either.

Enjoy and share some pictures of your BB when it's done, we would love to see what you come up with.

Fred
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Old Aug 28, 2010, 11:58 PM
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JohnsPop's Avatar
LaGrange, GA
Joined Jun 2009
1,817 Posts
Quote:
Originally Posted by Freddie B View Post
BB 33 has plenty of wing area so an 18-20 Amp esc is fine. You could get a 10-12 Amp if you consider the cost is cheap enough, but compare weights and a couple grams here and there won't matter much.
I agree with that too..... The lighter the better, but saving a few grams difference in a 10 amp or 18 amp ESC..... get one you know can handle the load plus you can use it in something else if you'd like. I understand figuring the load and matching your components and all but all too often I just stick whatever I've got in there and let it rip. If a plane flies nice, I might tweak my components later, but so many planes, so little time ya know?
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Old Aug 29, 2010, 03:59 PM
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United Kingdom, Wrexham
Joined Jun 2004
620 Posts
ade h,

I am still trying to get around to finishing assembly of my BB33 but have experience with setups with models of this type/size/weight.

I have used several makes of esc with and without issues. The best smaller ones I have found are Himodel and Hobbywing. I have no experience of Turnigy but know people who have used them with good results.

As you are in the UK no need to go to Hobbyking you can get all the suitable parts here for similar prices and you do not have to wait for a couple of weeks.

ESC 10 Amp:-

http://www.giantcod.co.uk/hobbywing-...-p-403317.html

ESC 12 Amp:-

http://www.giantcod.co.uk/hobbywing-...ler-p-327.html

I have used several of these 12A units which appear to be clones of Himodel escs I have used and branded as WASP:-

http://www.brchobbies.co.uk/?page=sh...ditem&item=404

Blue Wonder 1300KV motor:-

http://www.giantcod.co.uk/blue-wonde...-p-402398.html

Motor tube mount:-

http://www.giantcod.co.uk/small-base...-p-402820.html

Bulkhead motor mount:-

http://robotbirds.com/catalog/produc...oducts_id=3549

Lightweight servos:-

http://www.giantcod.co.uk/epower-mic...-p-403206.html

9x4.7 props:-

http://www.giantcod.co.uk/slow-prope...-p-402389.html

or:-

http://www.giantcod.co.uk/propeller-...-p-402800.html

prop saver:-

http://www.giantcod.co.uk/30mm-prop-saver-p-402344.html

and last but not least, wheels:-

http://www.giantcod.co.uk/d40—93425...-p-403082.html

I am sure this will see you good trust me.

Hope this helps let me know how you go.

Ash
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Old Aug 29, 2010, 04:08 PM
Crash it first, Then fly it
Griffindor's Avatar
The Big Apple
Joined Jul 2008
536 Posts
Quote:
Originally Posted by springer View Post
Griff: try clicking on the hobby king header at top of this page. It always takes me there (and I think it makes some money for RCG)
The link doesn't work either??? Maybe it's my computer/router setup that's the prob??

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Old Aug 29, 2010, 04:23 PM
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U.K.
Joined Aug 2010
9 Posts
Thanks to everyone for their advice and thanks Ash for the links and the PM,most helpful.

I'll make a start on the ordering in the next day or two.




Griffindor. Just for reference the link at the top of the page works ok for me.
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