Search: Posts Made By: Lnewqban
Showing results 1 to 25 of 500
Search took 0.89 seconds.
Forum: Aerodynamics
04-14-2018, 10:47 AM
Replies: 9
Views: 200
Posted By Lnewqban

Cool The original idea in the design of full scale...

The original idea in the design of full scale traditional airplanes is to keep the horizontal tail surfaces as far from the turbulence of the main wing as possible (not a problem for canard types),...
Forum: Aerodynamics
04-14-2018, 10:38 AM
Replies: 4
Views: 233
Posted By Lnewqban

Cool Welcome, Penthane! I suggest using the same...

Welcome, Penthane!

I suggest using the same method than for finding the CG of tandem wings or even biplanes.
Please, take a look at this:...
06-14-2017, 06:20 PM
Replies: 24
Views: 610
Posted By Lnewqban

Simply enter your numbers for this calculator to...

Simply enter your numbers for this calculator to do the math:

Aircraft Center of Gravity Calculator (http://rcplanes.000webhostapp.com/cg_calc.htm)
Forum: Aerodynamics
06-14-2017, 06:15 PM
Replies: 15
Views: 2,265
Posted By Lnewqban

Could you explain how the plane "lands like crap...

Could you explain how the plane "lands like crap even with flaps"?

Is the CG located as aft as possible?

I concur with BMatthews' post above.
03-05-2017, 10:01 AM
Replies: 235
Views: 95,925
Posted By Lnewqban

Cool It seems to me that the problem is in the way the...

It seems to me that the problem is in the way the rope is attached to the dowel.
Because it is not symmetrical respect to the center of the rig, a twisting torque (yaw) is applied by the very weight...
11-06-2015, 02:32 PM
Replies: 144
Views: 11,106
Posted By Lnewqban

Thank you, Eric! Beautiful project. :)

Thank you, Eric!

Beautiful project.

:)
10-28-2015, 07:14 PM
Replies: 8
Views: 492
Posted By Lnewqban

Cool Welcome, drew110307! For any choice,...

Welcome, drew110307!

For any choice, consider the tremendous centripetal effect of the high rpm's of the engine combined with the small diameter of pulleys or gears.
Many belts, and even chains,...
03-02-2014, 04:11 PM
Replies: 10
Views: 840
Posted By Lnewqban

You are welcome :) Most pilots don't...

You are welcome :)

Most pilots don't bother fixing an axial unbalance.
Those will correct the tendency with aileron trim, which works at high speeds, but then the wingtip tends to drop during...
03-02-2014, 10:49 AM
Replies: 11
Views: 590
Posted By Lnewqban

Cool Each of the components of your airplane will...

Each of the components of your airplane will become 54 times heavier than it is when moving on a rectilinear trajectory.

During those moments. all those components will hang from the wings, which...
03-01-2014, 09:35 PM
Replies: 10
Views: 840
Posted By Lnewqban

Welcome to RCU !!! :) It needs what it...

Welcome to RCU !!! :)

It needs what it needs; better a little heavier than out of lateral balance.

However, repeat the balance upside down, just to be sure that the CG is lower than the line...
Forum: Aerodynamics
03-01-2014, 09:29 PM
Replies: 29
Views: 2,252
Posted By Lnewqban

The correct answer was in your question. :) ...

The correct answer was in your question. :)

For proper pitch and yaw stability, the aerodynamic center of the airplane must be aft the point in which the weight is concentrated (just like in any...
02-05-2014, 07:02 PM
Replies: 8
Views: 698
Posted By Lnewqban

What about the roll stability for inverted flight?

What about the roll stability for inverted flight?
Forum: Aerodynamics
01-20-2014, 07:26 PM
Replies: 27
Views: 3,081
Posted By Lnewqban

I believe that that is the way in which B-2...

I believe that that is the way in which B-2 bombers control the yaw, with some help of differential thrust.
Forum: Aerodynamics
01-15-2014, 07:34 AM
Replies: 236
Views: 10,915
Posted By Lnewqban

That thing flies in the wind like an angel !!!...

That thing flies in the wind like an angel !!! ........ and also lands well, which is many times more difficult to achieve in heavy cross-wind than flying. :)

Thanks, Bob.

Personally, I love...
Forum: Beginners
01-14-2014, 07:15 PM
Replies: 17
Views: 670
Posted By Lnewqban

Cool What does he like, yolt? Why not simplify...

What does he like, yolt?

Why not simplify things and go for a Gentle Lady glider?; easy for learning and can always be e-powered later on.

IMHO, he is too young for the complication of glow...
Forum: Aerodynamics
01-14-2014, 11:51 AM
Replies: 236
Views: 10,915
Posted By Lnewqban

Personally, I love it. :) It is great rudder...

Personally, I love it. :)
It is great rudder practice!

The extra bonus is that you have the field for yourself, as almost all planes stay grounded.

http://www.youtube.com/watch?v=6S9zXnYqaWI...
Forum: Aerodynamics
01-14-2014, 05:36 AM
Replies: 236
Views: 10,915
Posted By Lnewqban

No fishing for something or second intentions on...

No fishing for something or second intentions on my side, just a way to animate this interesting discussion and to learn how other pilots handle out of power landings, especially those who land using...
Forum: Aerodynamics
01-11-2014, 07:12 PM
Replies: 236
Views: 10,915
Posted By Lnewqban

Cool Can some of the above posters describe how his...

Can some of the above posters describe how his landing technique changes for dead stick situations?

It would be interesting to hear how each manages non-power controlled crashes, and especially...
01-10-2014, 07:45 AM
Replies: 7
Views: 402
Posted By Lnewqban

Thanks !!! AutoCAD was hard for me...

Thanks !!!



AutoCAD was hard for me back when I started; however, the help function can make you roll smoothly on basic staff (90% is basic staff repeated one thousand times) in about one week...
Forum: Aerodynamics
01-10-2014, 07:38 AM
Replies: 236
Views: 10,915
Posted By Lnewqban

Thanks, Ross. What about the elevator input...

Thanks, Ross.

What about the elevator input at that moment?
Forum: Aerodynamics
01-09-2014, 05:20 PM
Replies: 236
Views: 10,915
Posted By Lnewqban

In that case, what is your landing technique to...

In that case, what is your landing technique to avoid all that tail weight from making the plane pitch up and start a porpoise oscillation? :confused:
How good is the shock absorbing (no spring)...
01-09-2014, 11:49 AM
Replies: 7
Views: 402
Posted By Lnewqban

Any link for that?

Any link for that?
Forum: Aerodynamics
01-09-2014, 11:40 AM
Replies: 236
Views: 10,915
Posted By Lnewqban

You are welcome, Bob .............and...

You are welcome, Bob

.............and that is landing left to right: :)
...
Forum: Aerodynamics
01-09-2014, 07:57 AM
Replies: 236
Views: 10,915
Posted By Lnewqban

http://www.youtube.com/watch?v=KpIFhWYVJqE ...

http://www.youtube.com/watch?v=KpIFhWYVJqE

http://www.youtube.com/watch?v=hb13Q0ZmSAQ

http://www.youtube.com/watch?v=IGdUA9ZKNZc
Forum: Aerodynamics
01-09-2014, 07:49 AM
Replies: 236
Views: 10,915
Posted By Lnewqban

It is a Pitts S-2S Special: ...

It is a Pitts S-2S Special:

http://en.wikipedia.org/wiki/Sean_D._Tucker#Accidents

http://en.wikipedia.org/wiki/Pitts_Special
...
Showing results 1 to 25 of 500
 


 
Forum Jump

Contact Us Archive Advertising Cookie Policy