Search: Posts Made By: quorneng
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Forum: Foamies
11-17-2019, 03:17 PM
Replies: 98
Views: 7,331
Posted By quorneng

aainthu Well done! Was there a reason why you...

aainthu
Well done!
Was there a reason why you cut the power after just a few seconds into each flight?
I appreciate the understandable nerves that the plane was flying away from you but my own...
Forum: Foamies
11-13-2019, 01:40 AM
Replies: 98
Views: 7,331
Posted By quorneng

aaithu Glad you got it flying. Certainly...

aaithu
Glad you got it flying.
Certainly adding a servo is a useful way to add ballast but shortening the nose to account for the heavier motor would be a rather more efficient solution.
Just be...
11-10-2019, 11:13 AM
Replies: 14
Views: 597
Posted By quorneng

Looks good and flies well. well done It would...

Looks good and flies well. well done
It would make viewing easier if you either to use an option to turn the video through 90 degrees or hold the phone on its side!;)
11-06-2019, 12:37 PM
Replies: 4
Views: 234
Posted By quorneng

I know speed is very popular. I certainly would...

I know speed is very popular. I certainly would not want to hit by it.
With the current emphasis on UAS safety regulations one does wonder whether this sort of thing aggravates the perceived need...
11-03-2019, 09:30 PM
Replies: 3
Views: 387
Posted By quorneng

Can't help with any details but it appears R/N...

Can't help with any details but it appears R/N used to make a range of kits both scale and free flight. The kits seem to command good prices on the second hand 'vintage' market.
Forum: Foamies
10-28-2019, 11:57 AM
Replies: 98
Views: 7,331
Posted By quorneng

aaindthu That looks the business! 10 -15% of...

aaindthu
That looks the business!
10 -15% of the wing chord back from the leading edge sounds very nose heavy to me for a conventional wing although it can depend on the wing section.
The major...
10-24-2019, 02:31 PM
Replies: 26
Views: 1,204
Posted By quorneng

Fjc191 "With the items, previously outlined, is...

Fjc191
"With the items, previously outlined, is there a way to operate the EDF with a simple on/off switch?"

Not using an ESC and a brushless motor. They are simply not designed to do this.

If...
10-24-2019, 02:30 AM
Replies: 26
Views: 1,204
Posted By quorneng

fjc191 I think you will find it is not the...

fjc191
I think you will find it is not the servo tester but an ESC safety feature that is doing this. The ESC is programmed so you cannot accidentally have full power set when you connect the...
10-16-2019, 01:40 AM
Replies: 26
Views: 1,204
Posted By quorneng

fjc191 If the ESC has a battery eliminator...

fjc191
If the ESC has a battery eliminator circuit (BEC), most simple ones do, it also provides the power at a regulated 5V to work the servo tester.
In a radio control setup this BEC provides the...
Forum: Foamies
10-15-2019, 01:38 PM
Replies: 98
Views: 7,331
Posted By quorneng

aaindthu Those ailerons look good. I am not...

aaindthu
Those ailerons look good.
I am not sure you will actually save much weight using solid on the servo as their wires are a small diameter already. Much of the weight comes from the servp...
10-14-2019, 11:17 AM
Replies: 26
Views: 1,204
Posted By quorneng

fjc191 An EDF is designed to be as light and...

fjc191
An EDF is designed to be as light and powerful as possible to enable it to fly a plane.
If your project is ground based there are other more efficient ways to move air about unless that...
Forum: Foamies
10-14-2019, 01:43 AM
Replies: 98
Views: 7,331
Posted By quorneng

aaindthu That looks very professional. Balsa...

aaindthu
That looks very professional.
Balsa reinforced foam can be very effective. Light and strong as you have found. Good load test! ;-)
Forum: Beginners
10-12-2019, 03:12 PM
Replies: 5
Views: 1,133
Posted By quorneng

jangodog If its only a brake you want then what...

jangodog
If its only a brake you want then what is shown in the video is quite adequate but note the small flap is taken to 60? degrees although a full 90 would be better at creating lots of drag -...
Forum: Beginners
10-11-2019, 06:10 PM
Replies: 5
Views: 1,133
Posted By quorneng

jangodog If you are going to fit separate flaps...

jangodog
If you are going to fit separate flaps then they must be inboard of the ailerons for good aerodynamic reasons. Cut down the fuselage end of the aileron.
The Conscendo has quite big...
Forum: Foamies
10-03-2019, 12:10 AM
Replies: 98
Views: 7,331
Posted By quorneng

aaindthu Fair enough. Just make sure the tail...

aaindthu
Fair enough.
Just make sure the tail plane and fin are strong and rigid enough to support their relatively big control surfaces.
Remember the full size has the benefit of being an epoxy...
Forum: Foamies
10-02-2019, 01:03 PM
Replies: 98
Views: 7,331
Posted By quorneng

aaindthu That fuselage look very nice. ...

aaindthu
That fuselage look very nice.
Careful how you hollow out the rear fuselage. The foam you are using looks fairly weak so it will be a balance between strength and weight. Any weight saved...
Forum: Foamies
09-28-2019, 05:13 PM
Replies: 98
Views: 7,331
Posted By quorneng

aaindthu Most definitely keep building &...

aaindthu
Most definitely keep building & posting!
It is worth remembering that long wing span gliders do not respond to rudder only commands particularly fast, there is simply too much inertia,...
Forum: Foamies
09-26-2019, 11:09 AM
Replies: 98
Views: 7,331
Posted By quorneng

The important bit about the position of the CofG...

The important bit about the position of the CofG is how far back from the leading edge it is usually expressed as a % of the width of the wing.
25% is considered a safe point. It looks like yours is...
Forum: Foamies
09-25-2019, 02:02 PM
Replies: 98
Views: 7,331
Posted By quorneng

aaindthu Oh! Dear, bad luck. Any pictures of...

aaindthu
Oh! Dear, bad luck.
Any pictures of the new one?
I presume it has a motor.
Forum: Power Systems
09-19-2019, 05:13 PM
Replies: 6
Views: 1,176
Posted By quorneng

sportflyer The reason for a throttle response...

sportflyer
The reason for a throttle response curve is more of a safety feature than a necessity. An electric motor will produce a torque then is more or less proportional to the throttle position...
Forum: 3D Flying
09-18-2019, 10:59 AM
Replies: 3
Views: 1,883
Posted By quorneng

Indeed! Identical versions of this have been...

Indeed!
Identical versions of this have been posted on several other model plane web sites.
Forum: Beginners
08-30-2019, 06:18 PM
Replies: 7
Views: 2,498
Posted By quorneng

Bobbyra Depending on exactly what you mean...

Bobbyra
Depending on exactly what you mean there can be reasons why you would wish to fly at reduced throttle.
1. It is always useful to have a significant power 'reserve', for instance to ensure...
Forum: Foamies
08-28-2019, 08:40 PM
Replies: 98
Views: 7,331
Posted By quorneng

Bear in mind that how a plane flies is not only...

Bear in mind that how a plane flies is not only effected by the CofG but also the angle of incidence of the tail plane relative to the wing. It is normally set at a small negative angle to the true...
Forum: Foamies
08-25-2019, 03:18 PM
Replies: 98
Views: 7,331
Posted By quorneng

Well done! To me that maiden flight looked fine...

Well done!
To me that maiden flight looked fine given it is a home design! Was there much damage?
There are many things you have to get right for a plane to fly well, including the skill of the...
08-22-2019, 02:38 AM
Replies: 15
Views: 3,319
Posted By quorneng

Not sure I agree that batteries do not loos...

Not sure I agree that batteries do not loos capacity with age.
My 6 year old 5000 mAh 2s is still usable in a low current application but when charged to full (4.2 v/cell) from .storage level (3.8...
08-19-2019, 01:20 AM
Replies: 3
Views: 1,426
Posted By quorneng

Solentlife Sir Sydney Camm would be turning in...

Solentlife
Sir Sydney Camm would be turning in his grave at the shape of that elevator on a Hunter!

IMHO it will depend to a degree on what shape CF you intend to put in.
If a tube (good in...
Forum: Foamies
08-17-2019, 04:56 PM
Replies: 98
Views: 7,331
Posted By quorneng

Good load test! What made you decide to cut...

Good load test!
What made you decide to cut down the prop? At 11 inch was it drawing to many amps for the speed controller?
A 11 inch prop cut down to 9 is not quite as efficient as a true 9 if...
08-11-2019, 11:18 PM
Replies: 15
Views: 1,178
Posted By quorneng

Does indeed look good in the air - well done..

Does indeed look good in the air - well done..
08-07-2019, 09:18 PM
Replies: 14
Views: 3,753
Posted By quorneng

My own view is that a 3m glider will always be...

My own view is that a 3m glider will always be slow to turn on rudder only unless it has plenty of dihedral and a big rudder.
With modern small light servos there is no technical reason why ailerons...
08-04-2019, 11:53 AM
Replies: 2
Views: 2,721
Posted By quorneng

A Desoutter MK 1. Originally a French design but...

A Desoutter MK 1. Originally a French design but built in some numbers under licence at Croyden Airodrome in the late 1920 early 1930.
G-AAPZ is operated by the Shuttleworth Trust and uses a Cirrus...
Showing results 1 to 30 of 500
 


 
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