Search: Posts Made By: quorneng
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09-24-2021, 01:17 PM
Replies: 4
Views: 279
Posted By quorneng

Don't assume it is a servo or receiver problem....

Don't assume it is a servo or receiver problem. It may be but the servos are controlled by the transmitter..
As suggested use another receiver and servos and see if the problem is duplicated. If it...
09-15-2021, 11:52 PM
Replies: 12
Views: 486
Posted By quorneng

I agree high C rating can add a bit of weight but...

I agree high C rating can add a bit of weight but can you trust the claimed C rating? The danger is a 15 C rating battery is using 'old' chemistry technology so could actually deteriorate faster than...
09-06-2021, 11:45 PM
Replies: 6
Views: 436
Posted By quorneng

Flying_Fast74 The symptoms you describe are...

Flying_Fast74
The symptoms you describe are certainly what you would expect from the EDF load exceeding what the battery can deliver.
The simple test would be to disconnect one EDF. If one EDF...
Forum: Power Systems
08-21-2021, 09:05 PM
Replies: 6
Views: 405
Posted By quorneng

Just as an aside how do you know what rpm the...

Just as an aside how do you know what rpm the motor is supposed to achieve? How have you measured the rpm that you are achieving?
The fact you have tried other combinations with no improvement would...
Forum: Power Systems
08-20-2021, 11:15 PM
Replies: 6
Views: 405
Posted By quorneng

The voltage out of the ESC will not effect the...

The voltage out of the ESC will not effect the rpm of a brushless motor, only the power it can produce. The rpm of the motor is controlled by the frequency of the ESC's pulses, the number of armature...
Forum: Foamies
08-17-2021, 10:21 PM
Replies: 1
Views: 712
Posted By quorneng

After a bit of a delay some progress. The nose...

After a bit of a delay some progress.
The nose has been carefully converted to not only enclose the motor but with an air intake above the spinner.
188509
There are air exhausts on either side....
08-15-2021, 06:46 PM
Replies: 10
Views: 612
Posted By quorneng

MidwestGuy That may be a good idea. The DX6 Gen...

MidwestGuy
That may be a good idea. The DX6 Gen 1 does have some reported weaknesses but even so it is not as old as my DX6i. ;)
08-15-2021, 11:07 AM
Replies: 10
Views: 612
Posted By quorneng

Midwestguy Something is definitely wrong. All...

Midwestguy
Something is definitely wrong. All my receivers (various makes) stay bound to the appropriate model 'slot' in a DX6i in my case and have remained so for the life of the plane (years)....
Forum: Beginners
08-09-2021, 12:50 PM
Replies: 6
Views: 1,458
Posted By quorneng

Note that there are lightweight receivers like...

Note that there are lightweight receivers like this (https://lemon-rx.com/index.php?route=product/product&path=72&product_id=132). Likely 6 channel but they are very small, only weigh a few gms and...
Forum: Beginners
08-04-2021, 09:56 PM
Replies: 4
Views: 544
Posted By quorneng

Those instructions give the angle in degrees! ...

Those instructions give the angle in degrees!
You use the appropriate servo arm and control horn that gives the correct deflection.
All you need is a protractor and some cardboard templates if...
Forum: Beginners
08-04-2021, 12:31 AM
Replies: 4
Views: 544
Posted By quorneng

You will find the recommended control throw set...

You will find the recommended control throw set up here (http://www.sebart.it/download/Sebart%2030E%20Manual%20Intro.pdf).
You have posted this request in the 'beginners' section. I hope you are not...
07-12-2021, 11:12 AM
Replies: 13
Views: 3,598
Posted By quorneng

The V2 is obviously a significant improvement. If...

The V2 is obviously a significant improvement. If speed is important then it would help if the servo wires were not 'free' directly in the airflow. Much better to tape them down. The airflow close to...
07-11-2021, 09:28 AM
Replies: 13
Views: 3,598
Posted By quorneng

That is a truly remarkable achievement but with...

That is a truly remarkable achievement but with all that 'stuff' just stuck on top of the wing its aerodynamics are hardly at the same level of sophistication as the electronics. ;)
Forum: Foamies
07-07-2021, 03:14 PM
Replies: 1
Views: 712
Posted By quorneng

RC conversion to a Cheetah chuck glider.

I did an RC conversion to a Lidl XL chuck glider which flew well enough but when I saw the similar sized Cheetah it looked a bit more like a true glider.
188467
The original wing was already in two...
07-07-2021, 02:53 AM
Replies: 1
Views: 753
Posted By quorneng

A micro, and sub 250g, DH Venom.

This was my first attempt at a small EDF. The fact it came out at less than 250 g (actually 202!) was not a specific aim.
Basically an all sheet skin structure but using 2mm Depron.
188458
At this...
Forum: Beginners
07-07-2021, 01:49 AM
Replies: 4
Views: 658
Posted By quorneng

The Prof Your Dumas Tiger Moth will not need a...

The Prof
Your Dumas Tiger Moth will not need a lot of 'modern' power. The original recommended motor and 5A speed controller would only give a maximum of 40W of power. Brushed motors with gearboxes...
Forum: Beginners
07-04-2021, 11:12 PM
Replies: 9
Views: 722
Posted By quorneng

I think you will find that the motor is meant to...

I think you will find that the motor is meant to be at that angle. It is called down thrust and side thrust. It is used in model planes to counter both the effect of the motor torque (side thrust)...
Forum: Beginners
06-29-2021, 11:44 PM
Replies: 9
Views: 722
Posted By quorneng

That all looks pretty neat. A 'lightweight'...

That all looks pretty neat.
A 'lightweight' filler is ok ((B&Q or similar) as long as it is just for 'filling'. It has no structural strength but sands well.
Decorating a plane is another art all...
06-11-2021, 08:58 AM
Replies: 25
Views: 2,349
Posted By quorneng

Without pictures showing what you are doing it is...

Without pictures showing what you are doing it is hard to make meaningful comments.
05-14-2021, 10:54 PM
Replies: 5
Views: 636
Posted By quorneng

hkeelljr From your description I am not quite...

hkeelljr
From your description I am not quite sure what the problem is using a single central servo. It was certainly how the original was set up. At the time it was common to do it this way...
04-20-2021, 12:58 AM
Replies: 2
Views: 1,306
Posted By quorneng

An impressive modification and flight but was...

An impressive modification and flight but was this a case of 'expectation' just a bit beyond practicality?
04-16-2021, 10:29 PM
Replies: 8
Views: 1,489
Posted By quorneng

I can't help with direct Spektrum assistance (I...

I can't help with direct Spektrum assistance (I only use Spektrum compatible receivers) but as an observation if you are not confident enough to fly without having full 'safe' available are you sure...
04-16-2021, 01:17 PM
Replies: 8
Views: 1,489
Posted By quorneng

jangodog If you are using 'safe' it is vital...

jangodog
If you are using 'safe' it is vital that the gyro is calibrated to tell it what 'plane level' actually is. This is the attitude the gyro will try to return the plane to when 'safe' is...
03-27-2021, 12:50 PM
Replies: 6
Views: 1,449
Posted By quorneng

Very nice. A tractor Vulcan does have some...

Very nice.
A tractor Vulcan does have some advantages particularly if undercarriage is used as it allows a scale 'high alpha' landing, just like the full size did!
Forum: Beginners
03-27-2021, 12:32 PM
Replies: 38
Views: 15,435
Posted By quorneng

Turner Actually it is a bit more complex than...

Turner
Actually it is a bit more complex than that.
Once a plane is yawing the airflow direction over each wing is altered such that the 'leading' wing has the equivalent of forward sweep which...
Forum: Beginners
03-24-2021, 08:32 PM
Replies: 3
Views: 1,499
Posted By quorneng

I do not use FLYSKY but like all modern RC gear...

I do not use FLYSKY but like all modern RC gear leave the antenna length strictly alone. It is tuned specifically to the very high frequency used. Change the length in any way and you will reduce the...
03-24-2021, 09:57 AM
Replies: 13
Views: 1,894
Posted By quorneng

Just like the full size did!

Just like the full size did!
03-19-2021, 12:35 PM
Replies: 23
Views: 3,118
Posted By quorneng

Flysfloats With the fan in effect running...

Flysfloats
With the fan in effect running backwards you were lucky it did not break. The blade shape is designed to take the considerable forces involved in one direction only. Full power in reverse...
03-16-2021, 10:12 AM
Replies: 23
Views: 3,118
Posted By quorneng

The Regal Eagle may or may not be easy enough to...

The Regal Eagle may or may not be easy enough to fly but with a 12s 120 mm EDF you have jumped right in pretty close to the ultimate in electric power. Whilst the principles remain the same...
03-15-2021, 06:14 PM
Replies: 23
Views: 3,118
Posted By quorneng

Flysfloats According to this...

Flysfloats
According to this (https://www.effluxrc.com/Jetfan-120-Pro-EDF-unit-JF-120-PRO-edf.htm) web site the 120 ECO fan can deliver16.5 lbs thrust on 12s which should be more than adequate, It...
Showing results 1 to 30 of 500
 


 
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