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Old Mar 12, 2006, 10:19 PM
panzerd18 is offline
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Question

Separate ESC for each plane?


I was thinking about buying a nice Hyperion 50Amp Brushless ESC for my future needs. Its a big investment. I was wondering do people simply connect connectors into both sides of the ESC and transfer it from model to model or do they buy a new ESC for each plane?

So do I spend more money in buying smaller ESCs to suit each model or buy one big ESC and transfer it around? The same can be said for the receiver too.

Thanks
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Old Mar 12, 2006, 10:39 PM
glydr is offline
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Part of the aeromodelling challenge is getting more fun for your $$$!

I'm a transfer between models sort of modeller (there is some truth to my avatar caption). I've a couple of 18A brushed speedies shared around my hanger as I have a few deans plugs at my disposal.

Add up your connector costs and be sure to factor these into the cost / benefit calcs... eg:

18A brushed speedy these days, ~$30
Deans plugs ~$5 per set (from a shop)

6 deans plugs later you could have bought a new speedy!

For my first 4 years I used one Rx... I now have 3 to suit small through to large models.

Have fun!
Old Mar 12, 2006, 11:04 PM
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glydr I'm thinking the same as you.

The only thing is I have found a ebay store which sells deans plugs really cheap. I'm talking like $1.2 per pair. 30 pairs for just over $30

I can't believe our hobby stores charge so much. I have made transactions with this guy before. He is an Australian living in Hong Kong and I just Direct Deposit the money into his Australian bank account.

http://cgi.ebay.com.au/ws/eBayISAPI....category=34056

http://cgi.ebay.com.au/ws/eBayISAPI....category=34056
Old Mar 13, 2006, 12:37 AM
Bruce Abbott is offline
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Those aren't Deans plugs, they're 'Deans Style' connectors, ie. counterfeits. Can you trust them?

Moving the ESC and/or RX from one model to another can be a pain, and increases the risk of something going wrong. I only pull the gear out of models that aren't worth flying anymore!
Old Mar 13, 2006, 01:01 AM
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I trust them, they can't be that hard to make. They are only little bits of plastic with metal connectors embedded into them
Old Mar 13, 2006, 12:37 PM
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I also fly on a somewhat limited budget
I've done a lot of component swapping (I was even swapping servos between planes until I could afford enough of them!) I must say that it's doable, but it will put more strain on your equipment, especially the servo leads. You must keep an eye on them, especially the ESC lead, as it will fail eventually, with disastrous consequences (ask me how I know)
In the end I've decided to keep only 3 models in flying condition - that's all I can realistically support with my limited budget.

I've used some of these cheap deans style, and so far so good. My current draws are modest at avg 20 amps. It allowed me to standerdize almost all my battery-operated equipment - even my kids jeep is now using them - without going broke
YMMV

Marc
Old Mar 13, 2006, 12:52 PM
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I have set my stuff up to be able to move it from plane to plane. For motors I use a length of slowstick fuselage as a motor mount, I just epoxy the piece to a section of 1/16" plywood. The ESC generally stays connected to the motor, and have a piece of velcro on them for whatever plane they're going in at the moment. My receivers are mounted with velcro so I can move them around too as needed.

I've actually got enough stuff now that I don't need to move things around as much, but I still build this way because it's very flexible. I can move the motor/ESC to another plane in 30 seconds.

Edited to add: I agree about the wear and tear tho - gotta really watch the servo leads. I never pull them out by the wires.
Old Mar 13, 2006, 12:54 PM
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World Hobby


FYI,
You might want to read the threads in the Vendor forum.
Buyer beware......
Yes, they are counterfeit. You get what you pay for.
I would only trust the real Deans for such a critical system link in my birds.
Yes, I swap my ESC,RX and/or motor between my birds all the time. Leaving servos in each one is really the cheapest way to increase your fleet size. Whats a few minutes for the swap out??
Quote:
Originally Posted by panzerd18
glydr I'm thinking the same as you.

The only thing is I have found a ebay store which sells deans plugs really cheap. I'm talking like $1.2 per pair. 30 pairs for just over $30

I can't believe our hobby stores charge so much. I have made transactions with this guy before. He is an Australian living in Hong Kong and I just Direct Deposit the money into his Australian bank account.

http://cgi.ebay.com.au/ws/eBayISAPI....category=34056

http://cgi.ebay.com.au/ws/eBayISAPI....category=34056
Old Mar 13, 2006, 03:54 PM
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Waco is right, you should read the comments in the vendor forum of rcgroups.com You could be in for trouble with world hobby.
Old Mar 13, 2006, 08:32 PM
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At the present time I have 27 planes that are ready to fly. All of them have a receiver, ESC and Servos in them. When I buy a new plane I also buy a receiver, ESC and servos for it unless it is bought to replace a crashed plane.

Tom Moody
Old Mar 13, 2006, 11:56 PM
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I have 40 planes, but maybe only 6 brushless, 5 brushed ESC's, and five receivers [and 50 motors, 200 props, 30 prop adapters, a bunch of gearboxes and vast array of pinions and spurs - mostly for test purposes] - all have Gold Connectors so I just mix and match.

Cheers, Phil
Old Mar 14, 2006, 01:06 AM
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I have 6 planes, 2 CCPM helos, and 1 Fixed pitch helo... and have seperate ESC's for each... in addition to 4 backup brushless, and 3 backup brushed ESC's that are saved for a rainy day.

As for the Rx's, Electron 6's for each... as well as 3 extra backup ones. (Except for the fixed pitch helo... it has a GWS Rx... go figure lol.

Kiwi is right, 3.5mm Gold Bullets is the way to go for mix and matching. That and backed up by Deans Ultra.

-Chris
Old Mar 14, 2006, 08:00 PM
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I'm retired. Not from the oil business either. I'm also a prolific builder. My wife says they multiply like rabbits. I have lots of motors and ESC's, but I couldn't possibly afford to have complete power systems for each model that I own. I swap motors and ESC's and sometimes even servo's all of the time. Often at the field. Some are tractors and some are pushers. Gold connectors make my life soooooooo much easier.
Thom
Old Mar 15, 2006, 07:51 AM
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Quote:
Originally Posted by Blaze.45
I have 6 planes, 2 CCPM helos, and 1 Fixed pitch helo... and have seperate ESC's for each... in addition to 4 backup brushless, and 3 backup brushed ESC's that are saved for a rainy day.

As for the Rx's, Electron 6's for each... as well as 3 extra backup ones. (Except for the fixed pitch helo... it has a GWS Rx... go figure lol.

Kiwi is right, 3.5mm Gold Bullets is the way to go for mix and matching. That and backed up by Deans Ultra.

-Chris
I find that the 2.5mm MP Jet Gold Connectors (45A) are my most useful size - I sometimes use 1.8mm (25A) on small motors and planes [but one can only fit 20ga or less wire into 'em]. I don't have much which requires the 80A capacity of the 3.5mm's - though I do use them on big Lipos which have leads which are 13ga-14ga, 'cos 16ga is as much as one can fit into the 2.5mm's! And I still have Deans Ultras on my Medusa Power Analyzer.

Cheers, Phil
Old Mar 15, 2006, 08:58 AM
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Can anyone please tell me if you have a multi engined aircraft powered by brushless motors do you need a seperate ESC for each motor or can you run both from the one ESC?


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