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Aug 16, 2011, 08:03 AM
Gearmotors for high thrust /1S
Vladimir88's Avatar
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Discussion

Nano-airplane with- wingspan 10-inch, full control, min weight and good thrust.


This theme I created for those who are interested in flying on nano- airplanes with uncompromising flight parameters - a clear and full control, allowing almost all do aerobatics and have low weight for the comfortable
low-speed flight.


The first option.

On the basis of Kits- P51 from Plantraco with Wingspan of only 10 Inches was made airplane weighing 8.1 grams with the ailerons.
The ratio of thrust motor to weight aircraft ratio - 1,5.

Specification airplane:
1) Kits- P51 from Plantraco - http://www.microflight.com/Online-Catalog/ARF-Kits
2) Receiver "RX43" (weight - 0.35 g.)- http://www.micronradiocontrol.co.uk/rx_dt.html / http://www.bsdmicrorc.com/index.php?productID=943 / http://www.deltang.co.uk/
3) Motor "G10 UL1200" (1,2 g.) - (for order write - [email protected]) / http://www.microflierradio.com/brushlessmotors.html
The characteristics of the motor are shown in photo.
4) Propeller "MCF3222" (weight- 0.2 g.) - http://www.homefly.com/proddetail.asp?prod=p081 / http://www.micronradiocontrol.co.uk/mi_prop.html / http://www.microinvent.com/mambo/ind...d=26&Itemid=45
5) ESC "MBC1" (weight-0.15 g.) - http://microflierradio.com/SpeedControllers.html / http://www.micronradiocontrol.co.uk/mi_esc.html / http://www.microinvent.com/mambo/ind...d=23&Itemid=42
6) Actuators «0,23 g.» - http://www.microflight.com/Online-Ca...ctuator-0-23-g
7) Battery "30 mAh (20C)" (weight-1.2 g.) - http://www.microflierradio.com/Batteries.html / http://www.bidproduct.com/more/cartlist.php?start=41
8) Plugs "1.27mm size(4mm x 3mm x 1mm)/75mg" - http://www.microflierradio.com/Switchesplugs.html

Identified shortcomings:
-Insufficient force actuators on the ailerons (it should be put in twice as much)
Center of gravity is back (it should be put heavy batteries 50 ... 60 mhA)

In view of correcting the identified deficiencies weight airplane should be about 9 grams.
Last edited by Vladimir88; Aug 16, 2013 at 04:21 PM.
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Aug 16, 2011, 11:45 AM
Registered User
Vladimir88,

Very nice. You have inspired me further to get back to building and flying small planes.

How do you like the DelTang/David T receivers?

I have 2 of them: one is programmable to drive servos or actuators, the other is strictly servos.
Aug 16, 2011, 12:08 PM
Gearmotors for high thrust /1S
Vladimir88's Avatar
Thread OP
Thank you.

I really like the receivers of David T.
I've used Rx32 & Rx43.
They work for the present flawlessly.
Last edited by Vladimir88; Mar 08, 2014 at 08:18 AM.
Aug 16, 2011, 02:01 PM
Gearmotors for high thrust /1S
Vladimir88's Avatar
Thread OP

Further development of the airplane.


1) Install additional actuators for the ailerons
2) Increase the weight and battery capacity (60 mAh (10C)).

As a result of improvements turned optimal center of gravity and the ailerons began work fine.
Weight airplane rose to 9.3 g.
Last edited by Vladimir88; Aug 28, 2011 at 10:17 AM.
Aug 16, 2011, 03:26 PM
Registered User
Uwe Steller's Avatar
Great project, I am happy to see something in the sub 10g / actuator area again.
Why do you expect the actuators to be insufficient for the ailerons ?
I would be very interested to hear about your flight experiences, there are not many models in this range using ailerons.
Uwe
Aug 16, 2011, 03:33 PM
Pilot, Co-pilot, Navagator
nemoskull's Avatar
i am going to chime in just because i love things this small.
+ 1UP!
Aug 16, 2011, 04:07 PM
Registered User
I R Irv's Avatar
Vlad we really need a video of this one.
TODD
Aug 16, 2011, 06:15 PM
Gearmotors for high thrust /1S
Vladimir88's Avatar
Thread OP
Quote:
Originally Posted by Uwe Steller
...
Why do you expect the actuators to be insufficient for the ailerons ?
...
With two actuators max deviation corner aileron was approximately + / - 10 deg.
Once all four actuators max deviation corner aileron was approximately + / - 30 deg.
I hope that this max change deviation corner ailerons in flight will be have a major impact.

About the first impressions of the flight.
Motor works very well, the ratio of thrust to weight ratio really was about 1.5.
Flying no motor an airplane fine too (slowly).
Ailerons (two actuators) are very poorly worked.
Turns were bad.
The flight time from the battery 60 mAh (10C) was about 6 minutes.
Last edited by Vladimir88; Aug 28, 2011 at 10:18 AM.
Aug 16, 2011, 06:33 PM
Registered User
Quote:
Originally Posted by Vladimir88
.............Which of the receivers is programmable to drive servos or actuators ?
Mine is the Rx40, but it is discontinued, and replaced with the Rx42.
Aug 16, 2011, 06:39 PM
TheyreComingToTakeMeAway!
derk's Avatar
how did you wire the actuators together on the first try? if they were in parallel, they would pull twice the current as one would, but if they were in series, they would put out half the force as they normally would.
so the best way would be /++/ /--/ going to the receiver.

looks like it should be a great performer once all tuned up
Aug 16, 2011, 07:02 PM
Gearmotors for high thrust /1S
Vladimir88's Avatar
Thread OP
Quote:
Originally Posted by derk
how did you wire the actuators together on the first try? ...
Very simple.
To synchronize two actuators I changed the position of the magnets.
I have turned the plate with a magnets- "up or down".
Last edited by Vladimir88; Aug 16, 2011 at 07:13 PM.
Aug 16, 2011, 07:10 PM
Registered User
I R Irv's Avatar
Vlad maybe you should try one of these for ailerons.
TODD
https://www.rcgroups.com/forums/show...29&postcount=3
Aug 16, 2011, 07:32 PM
Gearmotors for high thrust /1S
Vladimir88's Avatar
Thread OP
Quote:
Originally Posted by I R Irv
Vlad maybe you should try one of these for ailerons.
TODD
https://www.rcgroups.com/forums/show...29&postcount=3
Then it is better servo "LZ.675 gm" (weight - 0.68 g.)- http://www.microflierradio.com/Servos.html.
But the receiver Rx43 only works with the actuators.
The receiver Rx42 I did not know and I have no it.
I planned to do the ailerons most easiest on weight option of the two actuators - 0.23+ 0.23 = 0.46 g.

Now the weight of the actuators for the ailerons turned - 0.23 x 4 = 0.92 g.
Therefore, the application in the future receiver Rx42 and servo "LZ.675 g" is justified.
In addition to the servo on the ailerons will move the center of gravity in the right direction and we can use a lighter battery.

You can also try option - six actuators "0.07g" on the ailerons- 0.07 x 6 = 0.42 g. - http://www.microflight.com/Online-Ca...t-Actuator-Kit
Last edited by Vladimir88; Aug 16, 2011 at 07:46 PM.
Aug 16, 2011, 10:35 PM
TheyreComingToTakeMeAway!
derk's Avatar
Quote:
Originally Posted by Vladimir88
Very simple.
To synchronize two actuators I changed the position of the magnets.
I have turned the plate with a magnets- "up or down".
sorry, i mean the wires, not the magnets. into the receiver, is there one wire from each actuator, or are they both soldered together (4 wires onto 2 pads)
Aug 16, 2011, 10:40 PM
Gearmotors for high thrust /1S
Vladimir88's Avatar
Thread OP
Quote:
Originally Posted by derk
sorry, i mean the wires, not the magnets. into the receiver, is there one wire from each actuator, or are they both soldered together (4 wires onto 2 pads)
Yes - 4 wires onto 2 pads.
In a variant of the four aileron actuators, I connect parallel four wires for each pads receiver.
Last edited by Vladimir88; Aug 16, 2011 at 10:51 PM.


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