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Old Oct 27, 2012, 06:35 PM
Neil Jarvis
Neil Guildford's Avatar
Surrey U.K.
Joined Sep 2004
2,006 Posts
I've been flying a 20lb + model with a TJ120. On 12s you looking at between 4.3 and 4.6kw. I think you'd want at least 5000 cells, if not bigger. I was using 8000mah but it was a bigger plane that could carry the weight.
Could be interesting.....
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Old Oct 27, 2012, 10:41 PM
Anything that gives me a High
super kupfer's Avatar
Canada, BC, Richmond
Joined Jan 2010
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That's two 6cell 5000mAh 50c batteries.......fits nice.
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Old Oct 27, 2012, 11:36 PM
Anything that gives me a High
super kupfer's Avatar
Canada, BC, Richmond
Joined Jan 2010
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It's done.

Just ordered the TJ120 edf unit + Neu 1915-1Y motor.

I already have a CC 120amp HV and that should work.
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Old Oct 28, 2012, 01:21 AM
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Joined Oct 2009
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Quote:
Originally Posted by super kupfer View Post
That could be an option but If I go this route I think I have a CS120 rotor clicking around somewhere.

BTW, what trailing struts did you use on yours??? (Saw yours on a pic on your profile......love the arctic camo).
Hi, i use this ones for Main
http://s294762374.online.de/shop/art...id%3D026100%26

and this one for nose
http://s294762374.online.de/shop/art...%3D026003-1%26
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Old Oct 28, 2012, 01:53 PM
Anything that gives me a High
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Canada, BC, Richmond
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Originally Posted by shamu View Post
Thanks
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Old Oct 28, 2012, 02:34 PM
Neil Jarvis
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Surrey U.K.
Joined Sep 2004
2,006 Posts
What do you think the AUW will be using the TJ120?
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Old Oct 28, 2012, 02:44 PM
Anything that gives me a High
super kupfer's Avatar
Canada, BC, Richmond
Joined Jan 2010
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Quote:
Originally Posted by Neil Guildford View Post
What do you think the AUW will be using the TJ120?
My guess is something between 8 - 10 lbs, but we shell see.

I intend to use 10cell 5000mAh for day to day flying with an option of a light 12cell, first I would like to bench run and see some numbers before I finalize on a setup.
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Old Oct 30, 2012, 01:21 AM
Anything that gives me a High
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Canada, BC, Richmond
Joined Jan 2010
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Looks like I'm going to put the fuse aside till I get the fan (Dont want to install the newly cut motor bulkhead or the ducts till I get the fan unit).

Anyways, I decided to start woring on the vertical fin.

As you can tell by the pics, modification of a functional rudder is on the way, tomorrow I have to stop at the hobby shop to get some wood and some robart pin hinges.
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Last edited by super kupfer; Oct 30, 2012 at 07:57 PM.
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Old Oct 30, 2012, 02:35 PM
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Robert Belluomini's Avatar
United States, KY, Crestview Hills
Joined Dec 2000
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I've seen the Stu 100 mm in an 18lb F86 and it flew awesome.
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Old Oct 30, 2012, 02:43 PM
Anything that gives me a High
super kupfer's Avatar
Canada, BC, Richmond
Joined Jan 2010
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Quote:
Originally Posted by Robert Belluomini View Post
I've seen the Stu 100 mm in an 18lb F86 and it flew awesome.
Thanks, but already committed to the TJ120.
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Old Oct 30, 2012, 07:49 PM
EDF Jet Jam May 2014
Robert Belluomini's Avatar
United States, KY, Crestview Hills
Joined Dec 2000
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Watching your build with interest.
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Old Oct 31, 2012, 06:57 AM
Addicted
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Stockholm, Sweden
Joined May 2010
189 Posts
How would a modern 90mm 8-10s setup perform in this bird, wouldn't that be a lighter setup? Yes this bird was designed for 120mm, but wasn't that back when everyone was running NiMh's? The size of the plane also points to 90mm.
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Old Oct 31, 2012, 09:03 AM
Anything that gives me a High
super kupfer's Avatar
Canada, BC, Richmond
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Quote:
Originally Posted by Parakos View Post
How would a modern 90mm 8-10s setup perform in this bird, wouldn't that be a lighter setup? Yes this bird was designed for 120mm, but wasn't that back when everyone was running NiMh's? The size of the plane also points to 90mm.
A 90mm fan on 8-10cell setup would fly this thing easy, personally I don't feel like going through all the extra work to convert it to 90mm.

But would be interesting to see how she would fly on a modern 120mm.
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Old Oct 31, 2012, 01:27 PM
Just having fun before I die!
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DeKalb,IL
Joined Dec 2008
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Quote:
Originally Posted by super kupfer View Post
A 90mm fan on 8-10cell setup would fly this thing easy, personally I don't feel like going through all the extra work to convert it to 90mm.

But would be interesting to see how she would fly on a modern 120mm.

One word

Ballistic!
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Old Oct 31, 2012, 01:57 PM
High Dynamic Thrust
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United States, FL, Mt Dora
Joined Feb 2007
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I think were gonna see some hand launching! MO POWRA

Could put some guides on it for a vertical launch
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