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Old May 23, 2006, 12:55 AM
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Joined May 2006
4 Posts
Question
Mosfet on Lama 4-in-1

Hi! I've my Lama V3 for a couples of months now and it's still in one piece. It's a great heli for beginners for sure. Anyway, I came across an weird item on ebay of a 4-in-1 with multiple mosfets. The seller claims it improves handling and power. Has anyone out there tried this? Thanks.
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Old May 28, 2006, 12:38 PM
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Joined Sep 2005
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If you tried that, post your report here, please.
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Old May 28, 2006, 10:00 PM
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Joined May 2006
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Actually, I would like to see if any electronic guru up here can explain the benefit of doing so.
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Old Jun 05, 2006, 04:41 PM
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Waldo Pepper's Avatar
Cypress, TX
Joined Jul 2004
525 Posts
guessing here but I'm thinking it is set up like that to better withstand the high voltage/amps/whatever when you lock-up the blades with the throttle open...

but just a guess (never let the lack of knowledge keep you from guessing)

W
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Old Jun 06, 2006, 04:04 AM
Dobbit
Joined Feb 2005
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there is a thread here by I.C.O.N on how to repair CX 4-in-1. It talks about mosfets. Maybe it can be of help
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Old Jun 06, 2006, 09:45 AM
Look out! The lever!
bobthenuke's Avatar
United States, AZ, Peoria
Joined Feb 2005
2,603 Posts
I can easily see the current handling advantage to stacking these, but I would be concerned about loading the turn on signal (RDSon). I haven't checked data sheets yet but plan to. If it's being sold like this there must be some posts that substantiate its operability.

bob
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Old Feb 24, 2008, 08:32 PM
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Joined Jul 2006
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Piling on the mosfets is a good thing.........it just raises the current handling........and takes very little gate current to operate.........but it cost a lot more unless you get them cheap in large quantities..........and your eyesight and soldering have to be good as well......I have made a number of my own esc's.......but prefer to buy them now since everything went SMT.......micro serface mount technology.....
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