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Old Aug 28, 2004, 02:15 AM
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David Smith's Avatar
Elimäki Finland
Joined Jan 2003
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Flyware data required

Can anyone help me with the data required to model a Flyware 350/20-10.5W in Motorcalc? I have been to the manufacturers website but the data is limited to size and weight.

Many thanks,
David Smith
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Old Aug 28, 2004, 07:05 AM
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ohmite's Avatar
Eden NY
Joined Sep 2001
540 Posts
David,
I found a document on their website awhile back. Unfortunately it is too big to upload here. I took a screen capture of the relevant page and attached it to this post.

These are great motors, I have a 350/20/12.5w and it swings a 13x6.5 prop on 10 cells 7170rpm, 9.8V and 39.8A current. I'm using a 3s2p TP2100 pack with it now and a 12x8 prop and am getting great performance 7480 rpm 10.1V and 35.1A. Hope this helps. The table does not include no load current, I think I estimated that based on actual performance on my Motocalc entries, I used the info on page 4 for the rest.

Cheers,
-Eric
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Old Aug 28, 2004, 08:19 AM
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Ron van Sommeren's Avatar
The Netherlands, GE, Nijmegen
Joined Feb 2001
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Motocalc does not predict outrunners very well (yet?). It's pessimistic.

More Flyware info/numbers here:
ftp://213.240.180.102/

Met vriendelijke groet Ron van Sommeren
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Old Aug 28, 2004, 08:26 AM
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David Smith's Avatar
Elimäki Finland
Joined Jan 2003
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Thanks, guys, it all helps. I have the motor mounted in the model now and just have to finish wiring the ESC to try it. It is in a Sig '4 Star', running (initially, at least) on 10 Nimh, replacing an Axi 4120/18 which required 20 cells. The same model originally flew on a .52 glow four stroke, so it is getting plenty of variety!

Cheers,
David S
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Last edited by David Smith; Jun 21, 2006 at 12:36 AM.
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Old Aug 28, 2004, 08:29 AM
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David Smith's Avatar
Elimäki Finland
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Quote:
Originally Posted by Ron van Sommeren
Motocalc does not predict outrunners very well (yet?). It's pessimistic.
That's a shame....all my models are flying on outrunners!
David S
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Old Aug 28, 2004, 08:41 AM
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Ron van Sommeren's Avatar
The Netherlands, GE, Nijmegen
Joined Feb 2001
10,933 Posts
Better a pessimistic calculator than an optimistic one.

Wilhelm Geck's calculator does a better job at it:
http://home.t-online.de/home/wgeck/

Direct link to calculator info:
http://home.t-online.de/home/wgeck/11eantrb.htm

Groeten Ron
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Old Aug 28, 2004, 09:10 AM
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Eden NY
Joined Sep 2001
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David,
I think you'll be very happy with the motor in this configuration, I was getting 8 minute flights (mixed aerobatics and cruising) on 10 cell HV3000 NiMh cells. With the Lipos I'm getting two 9 min flights easily and I saved 10oz of battery weight.

For reference, I was using 1.35A for a no load current for mine and was getting pretty good agreement between Motocalc and measurements, with Motocalc accurately predicting max rpm and overpredicting current by about 2-3 amps.

The Flyware motors are real powerhouses for their size and weight. I've been trying to keep my current below 40A, they seem to like it better. It appears their effeciency drops off when you go much past it for this size.

Regards,
-Eric

Quote:
Originally Posted by David Smith
Thanks, guys, it all helps. I have the motor mounted in the model now and just have to finish wiring the ESC to try it. It is in a Sig '4 Star', running (initially, at least) on 10 Nimh, replacing an Axi 4120/18 which required 10 cells. The same model originally flew on a .52 glow four stroke, so it is getting plenty of variety!

Cheers,
David S
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Last edited by ohmite; Aug 28, 2004 at 09:51 AM.
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Old Aug 28, 2004, 09:16 AM
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David Smith's Avatar
Elimäki Finland
Joined Jan 2003
279 Posts
Thanks again - it seems the 13x8 APC I tried was a little too big when I just tested the motor - the current overload of the ESC (60A) tripped in at full stick! Huge amount of thrust, though! A smaller prop seems a better idea than a bigger ESC, unfortunately.
David S
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Old Jun 20, 2005, 02:42 AM
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perttime's Avatar
Tampere, Finland
Joined Nov 2004
4,343 Posts
I am thinking of getting a Flyware 350/15/12.5w.

Does anybody have any test data, calculations or recommendations? I am still undecided between a 10cell GP 2200 NiMH and some 3S xP LiPo. The use will be pattern style aerobatics and general flying (no 3D).

PM
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