This could go on forever.
Proper cycling and observation of cells will indicate whether they are to be
trusted. However, using motor cells for RX has more mechanisms of failure
due to the higher amp draw/heat/Motor/Controller failure/more joints to
fail/etc. Could be something as stupid as the firewall coming unglued and
jamming the motor/prop/ Similarly, more in the UBEC to fail too.
It's up to the user.
I'd go with simplicity, the weight savings are minimal, perhaps de minimis,
in perspective of the size of ship that we are talking about.
Over and out.
Lee
----- Original Message -----
From: "glide" <[EMAIL PROTECTED]>
To: <Soaring@airage.com>
Sent: Monday, November 14, 2005 8:48 PM
Subject: RE: [RCSE] Re: Soaring V1 #6696: LMR motor for Pike Superior
But what if the rx pack goes south? Then what is left is garbage. If a
cell goes bad on the motive pack with a UBEC installed, you still have
power
to control the servos.
Aloha to all on RCSE,
Al Battad - WH6VE
AMA #506981
-----Original Message-----
From: Dan Neelands [mailto:[EMAIL PROTECTED]
Sent: Monday, November 14, 2005 3:21 PM
To: Soaring@airage.com
Subject: RE: [RCSE] Re: Soaring V1 #6696: LMR motor for Pike Superior
If no one has mentioned it don't forget to look at Neu motors. I am
running
a 1506 2D 6.71 gearbox on 10 GP 3300s with terrific results. 80 amps with
an 18x10 prop in an electric Escape. It's smoother than a Hacker and I
can
talk to the people who built it on the phone.
I had some range issues with a UBEC too. Now that I have a little 4 cell
AAA pack in there the worry of motive pack failure is gone as are the
range
issues. If a cell goes bad in the motive pack or something else it's
still
a glider!
Dan Neelands
----------------------------------------------------------------------
Date: Mon, 14 Nov 2005 15:38:23 -0500
From: "Frank Slaughter" <[EMAIL PROTECTED]>
To: "Tord Eriksson" <[EMAIL PROTECTED]>,
<Soaring@airage.com>
Subject: RE: [RCSE] Re: Soaring V1 #6696: LMR motor for Pike Superior
Message-ID:
<[EMAIL PROTECTED]>
Have a look at http://www.rcgroups.com/forums/showthread.php?t=3D440307.
It's about the crash of a Stratos SL/e, tentatively blamed on an SBEC,
which is a stand-alone battery eliminator.
Frank=20
-----Original Message-----
From: Tord Eriksson [mailto:[EMAIL PROTECTED]
Sent: Monday, November 14, 2005 12:16 PM
To: Soaring@airage.com
Subject: [RCSE] Re: Soaring V1 #6696: LMR motor for Pike Superior
On Monday 14 November 2005 16.37, lee wrote:
I personally think that the BEC idea for a ship this size is a bad,=20
bad, idea.
Rethinking, yes, of course! But one of those gizmos that replaces a rx
battery saves a lot of weight.
And yes, form factors when it comes to Li-Ion packs can make them
impossible to use - but check around, there are many brands!
Sensorless Hacker controllers are a blessing, after having used AVeox's
sensored, 'nuff said :-)!
Tord
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