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Old Oct 17, 2012, 01:23 AM
gazza2003au is offline
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hey gary ive built a fair few wings everyone of my models use zero thrust angle https://www.rcgroups.com/forums/show....php?t=1538276
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Old Oct 17, 2012, 04:11 AM
aeromaniac is offline
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Glow 😡 no no no
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Originally Posted by gazza2003au View Post
hey gary ive built a fair few wings everyone of my models use zero thrust angle https://www.rcgroups.com/forums/show....php?t=1538276
I'm with you gazza that's why I removed the thrust line to zero.
Old Oct 17, 2012, 04:20 AM
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Originally Posted by aeromaniac View Post
I'm with you gazza that's why I removed the thrust line to zero.
do u have a pic of the mount how it comes?
Old Oct 17, 2012, 04:32 AM
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Glow 😡 no no no
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do u have a pic of the mount how it comes?
No Gazza I don't however you might be able to get some idea from the link, https://www.hobbyking.com/hobbyking/...45mm_PNF_.html .
Old Oct 17, 2012, 04:34 AM
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how weird looks to be a lot of down thrust
Old Oct 17, 2012, 05:10 AM
fooyukvoon is offline
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Looking at the side profile of my yet to be assembled Z-84, There appears to be an upward curled lip at the TE of the main body on both sides of the motor mount. Will it act as a sort of permanent reflex?
Last edited by fooyukvoon; Oct 17, 2012 at 05:19 AM.
Old Oct 18, 2012, 06:12 AM
aeromaniac is offline
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Glow 😡 no no no
This is what it looks like with the downthrust removed, hope to give it a fly tomorrow.
Old Oct 18, 2012, 06:22 AM
fooyukvoon is offline
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Looking forward to your flight report. BTW is your CG at factory default?
Old Oct 18, 2012, 06:58 AM
aeromaniac is offline
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Glow 😡 no no no
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Looking forward to your flight report. BTW is your CG at factory default?
Yes the CofG is factory, although I want to push it back a little, one change at a time thou.
Old Oct 18, 2012, 08:32 AM
fooyukvoon is offline
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Captured this image off junglegym's video. Hard to tell but it sure looks like it's level. What say u all?
Old Oct 18, 2012, 02:32 PM
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Glow 😡 no no no
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Captured this image off junglegym's video. Hard to tell but it sure looks like it's level. What say u all?
Looks like zero thrust line to me, only makes my change look better lol.
Old Oct 18, 2012, 07:57 PM
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Yup, It does look pretty level.

FYI, Flying Wing Calc.

http://fwcg.3dzone.dk/

Foo
Old Oct 19, 2012, 12:54 AM
aeromaniac is offline
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Glow 😡 no no no
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Originally Posted by fooyukvoon View Post
Looking forward to your flight report. BTW is your CG at factory default?
Ok report is lol, with 24gram 3000kv motor on 3s 1300mah 20c with 4.1x4.1 and zero thrust line, it still hand launches on about 1/2 throttle and I believe flys better than before, in a high speed dive it doesn't seem to push the nose down much, it still does it a little but it has been reduced a lot.

This is my set up now not changing anything.
Old Oct 19, 2012, 12:58 AM
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put this motor on it and it'll do 140mph http://www.hobbyking.com/hobbyking/s...arehouse_.html
happy times lol
Old Oct 19, 2012, 01:12 AM
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Glow 😡 no no no
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Originally Posted by gazza2003au View Post
put this motor on it and it'll do 140mph http://www.hobbyking.com/hobbyking/s...arehouse_.html
happy times lol
I would love to Gazza but I have already tried a 50gram motor and found it impossible to get the CofG back, without adding heaps of nose weight and I hate nose weight lol.


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