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Old Oct 18, 2010, 06:37 PM
Z06 Tony's Avatar
United States, NY, Rochester
Joined Sep 2008
7,107 Posts
Got the 1st set of 4 ESC's wired up and tested it and it flew. Now just soldering the 2nd set of 4 ESC's and cross my fingers
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Old Oct 18, 2010, 08:30 PM
Z06 Tony's Avatar
United States, NY, Rochester
Joined Sep 2008
7,107 Posts
It Flies

OK after wiring it multiple times and switching the props multiple times and flipping it over and bending a motor shaft I finally got it wired right. I lifted it up and hovered with only 7 motors. Now gonna replace the bad motor and see what happens.
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Old Oct 18, 2010, 10:41 PM
Z06 Tony's Avatar
United States, NY, Rochester
Joined Sep 2008
7,107 Posts
Got it all setup and flying but it is not powerfull enough. Gonna try it outside Tue and see if it flies better. The batts get warm fast also so it might be too big of a draw on the batts. I used a Hyperion 900mAh 45c 3S batt so I am using the highest C rating batt I can buy.
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Old Oct 19, 2010, 09:59 AM
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mkmkmk13's Avatar
United States, CA, Orange
Joined May 2007
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try 2 bladed props
do you have a watt meter?
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Old Oct 19, 2010, 10:24 AM
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United States, CA, Orange
Joined May 2007
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i forgot you have 8 motors
900 mah 45c = .9X45 = 40.5amps
if every motor is pulling 5 amps 8x5 = 40 amps
very close to the battery's limits
you need a bigger battery
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Old Oct 19, 2010, 10:56 AM
Z06 Tony's Avatar
United States, NY, Rochester
Joined Sep 2008
7,107 Posts
Quote:
Originally Posted by mkmkmk13 View Post
try 2 bladed props
do you have a watt meter?
Thanks I have the 7" 2 blade props coming Wed or Thur. I will try those. I do not have a watt meter.
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Old Oct 19, 2010, 11:00 AM
Z06 Tony's Avatar
United States, NY, Rochester
Joined Sep 2008
7,107 Posts
Quote:
Originally Posted by mkmkmk13 View Post
i forgot you have 8 motors
900 mah 45c = .9X45 = 40.5amps
if every motor is pulling 5 amps 8x5 = 40 amps
very close to the battery's limits
you need a bigger battery
For my 4 motor setup with the same ESC's/motors I was using a Outrage 450mAh 35C 3s and thats what gave me the best performance and 6 mins flight time which is all I need. I figured double the motors and over double the batt and I would be fine.
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Old Oct 19, 2010, 12:16 PM
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Clearwater, FLorida !
Joined Sep 2009
2,270 Posts
Quote:
Originally Posted by Z06 Tony View Post
For my 4 motor setup with the same ESC's/motors I was using a Outrage 450mAh 35C 3s and thats what gave me the best performance and 6 mins flight time which is all I need. I figured double the motors and over double the batt and I would be fine.

What about two of those batteries "taped" together? ;P one for each set of 4 motors
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Old Oct 19, 2010, 12:24 PM
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United States, CA, Orange
Joined May 2007
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that 7" prop will probably run much hotter

when experimenting with props and motors you need a watt meter
try the same props with a 2s lipo
2000KV is a bit high so 7.2v should calm things down
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Old Oct 19, 2010, 12:47 PM
Z06 Tony's Avatar
United States, NY, Rochester
Joined Sep 2008
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Quote:
Originally Posted by witespy View Post
What about two of those batteries "taped" together? ;P one for each set of 4 motors
I was contimplating that same idea. This way there is less draw on the batts.
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Old Oct 19, 2010, 12:50 PM
Z06 Tony's Avatar
United States, NY, Rochester
Joined Sep 2008
7,107 Posts
Quote:
Originally Posted by mkmkmk13 View Post
that 7" prop will probably run much hotter

when experimenting with props and motors you need a watt meter
try the same props with a 2s lipo
2000KV is a bit high so 7.2v should calm things down
I thought a 7" 2 blade prop would run cooler than a 5" 3 bade prop. That would be 7" prop area with a 2 blade verse 7.5" prop area w/3 blade.
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Old Oct 19, 2010, 07:48 PM
I don't want to "Switch Now"
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Toronto (Don Mills), Canada
Joined Dec 2002
16,750 Posts
Perhaps this is a dumb question, but why are the bottom props on backwards?
Are they off when upright and only turn on when inverted?
If so, how do you transition from upright to inverted?

Thanks,

Pat Mackenzie
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Old Oct 19, 2010, 08:50 PM
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United States, CA, Orange
Joined May 2007
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I think Pat got it
The bottom props are on backwards
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Old Oct 20, 2010, 12:37 AM
Z06 Tony's Avatar
United States, NY, Rochester
Joined Sep 2008
7,107 Posts
Quote:
Originally Posted by mkmkmk13 View Post
I think Pat got it
The bottom props are on backwards
Thats the only way to set it up. I tried every setup and thats the only combo that works. They are not on backwards by accident.
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Old Oct 20, 2010, 01:06 PM
Registered User
FRANCE
Joined Dec 2004
1,545 Posts
hi friends Z06
i just saw your forum and that is funny because i just made something like you but it is a tricopter not a quadri
anyway i will post pictures soon , as i just made the frame
i am on the electronic set up now
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