Extreme Flight 48" MXS EXP - PICS and VIDEOS ADDED! - Page 141 - RC Groups
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Oct 19, 2012, 02:17 PM
Registered User
as strange as it sounds, msx is climbing in my food chain....

yesterday took out msx and 42" slick... somehow failed to lock in with slick, but msx just keep shining... feels SO MUCH MORE locked in, i actually did my first slow roll-rolling circle (wich looked more like oval spiral,) but the point is it felt so locked i didnt have to bail out lol!

im getting more and more unhappy with my 3s setup on this particular hacker (800kv+14x7)...or my batteries is getting tired or what, but 2200 30c doesnt even give me full 5min and most of the flight i have to be near WOT... AND 30c doesnt (anymore?) give me unlimited vertical near the end of timer... 65c makes me happy still! :P

so i guess my next plane will be 51", not 60" edge so i can convert to 4s batteries!
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Oct 19, 2012, 03:04 PM
doh!
ryan_m's Avatar
Quote:
Originally Posted by rimaarts
as strange as it sounds, msx is climbing in my food chain....

yesterday took out msx and 42" slick... somehow failed to lock in with slick, but msx just keep shining... feels SO MUCH MORE locked in, i actually did my first slow roll-rolling circle (wich looked more like oval spiral,) but the point is it felt so locked i didnt have to bail out lol!

im getting more and more unhappy with my 3s setup on this particular hacker (800kv+14x7)...or my batteries is getting tired or what, but 2200 30c doesnt even give me full 5min and most of the flight i have to be near WOT... AND 30c doesnt (anymore?) give me unlimited vertical near the end of timer... 65c makes me happy still! :P

so i guess my next plane will be 51", not 60" edge so i can convert to 4s batteries!
prop down to 12x6 and go up to 4s on that motor... will be perfect.
Oct 19, 2012, 03:14 PM
Registered User
i still want to retain 13" prop... so im going to try 13x4-13x5 and check the grunt-amps first....
Oct 19, 2012, 07:01 PM
Registered User
The recommended setup with a 13x4 will pull about the same amps with just a slight loss on top end. Slow flight however improves greatly and 3D and vertical pullout are much improved. This however is just my personal experience. Once I found a motor that used a 14x7 prop on 4s this plane really came to life though.
Oct 19, 2012, 07:35 PM
Epoxy & CA Investor
DenverJayhawk's Avatar
Quote:
Originally Posted by jetinteriorguy
The recommended setup with a 13x4 will pull about the same amps with just a slight loss on top end. Slow flight however improves greatly and 3D and vertical pullout are much improved. This however is just my personal experience. Once I found a motor that used a 14x7 prop on 4s this plane really came to life though.
which motor did you end up using for 14" prop?
Oct 19, 2012, 08:54 PM
Registered User
Quote:
Originally Posted by DenverJayhawk
which motor did you end up using for 14" prop?
The Sunnysky 2820-800 from EP Buddy. Very nice motor but they have been out of stock for quite a while unfortunately.
Oct 19, 2012, 09:10 PM
Volts>amps
stgdz's Avatar
This plane loves a large pitch 13" prop. I'm running a Xoar 13x7 at about 8800 rpms and a apc will spin it to 9600rpm
https://static.rcgroups.net/forums/a...20Data%202.jpg

inflight I've gotten about 10.5 on 13x7. This plane loves to go fast.
Oct 20, 2012, 05:58 AM
Registered User
Oh yeah, no doubt this plane loves speed. This plane just comes alive with good speed. Unfortunately I prefer a little slower style and going with the 14x7 with the Sunnysky gives me both, a better slow speed characteristic but still retains the high speed energetic qualities when I want a good rush. For me the other nice thing with the 14" prop is it becomes easier to do ke spins, entry seems easier and it stays locked in better. Of course these are just my personal observations based on my flying style.
Oct 20, 2012, 10:10 AM
Facts, Logic, 3D
Tom K.'s Avatar
If you go down to a 680kv or 750kv you can run 4S on a 14x7 and get really good flight time, speed, and power. That's what I do.

--Tom K.
Oct 20, 2012, 03:00 PM
Epoxy & CA Investor
DenverJayhawk's Avatar
Quote:
Originally Posted by Tom K.
If you go down to a 680kv or 750kv you can run 4S on a 14x7 and get really good flight time, speed, and power. That's what I do.

--Tom K.
motrofly, yes? That will plug/play with the blindnuts in the firewall?
Oct 20, 2012, 08:13 PM
Volts>amps
stgdz's Avatar
Quote:
Originally Posted by DenverJayhawk
motrofly, yes? That will plug/play with the blindnuts in the firewall?
yes
Oct 20, 2012, 08:15 PM
Irg
Irg
ol' yellow eyes is back
Irg's Avatar
yes it will. a little tricky to get a nice spinner gap, but it's possible.

go with the 680 hand wind. excellent power on 13X6.5, the 14x7 isn't even necessary although it is fun.
Latest blog entry: turbo bushmaster
Oct 20, 2012, 08:21 PM
Volts>amps
stgdz's Avatar
if you go with a 13x6.5 and 4s get the 750 or hand wind it down to 600 and do 5s 13x6.5
Oct 20, 2012, 08:43 PM
Facts, Logic, 3D
Tom K.'s Avatar
Yeah, a 630 or 600kv wind on 5S with a 13" prop is sick!

--Tom K.
Oct 20, 2012, 09:14 PM
Volts>amps
stgdz's Avatar
try a 3615 with a 13x6.5 at 625 Tom.


that extra diameter and mass really add a lot to pfactor and I can torque my laser through some manuevers. Its pretty sick!


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