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Search: Posts Made By: quorneng
Forum: Scratch and Kit Built Aircraft Yesterday, 11:56 AM
Replies: 13
Views: 497
Posted By quorneng
The only capacity test I have done so far was a...

The only capacity test I have done so far was a short 11.5 minute flight that took just 217mAh to recharge to full.
So (60/11.5*217) = 1100mA average consumption.
Not quite the 1A I achieved with...
Forum: Electric Ducted Fan Jets 05-21-2015, 04:11 PM
Replies: 6
Views: 268
Posted By quorneng
It would be nice to know what current is actually...

It would be nice to know what current is actually passing through those connectors so we are back to the benefit of having a Watt meter.
Any connector has maximum rated current. It the actual...
Forum: Scratch and Kit Built Aircraft 05-20-2015, 11:12 PM
Replies: 13
Views: 497
Posted By quorneng
With the battery positioned the nose is completed...

With the battery positioned the nose is completed along with a battery hatch.
180819
The maiden flight was almost a non event as it flew pretty just needed the battery moving forward (I had left a...
Forum: Scratch and Kit Built Aircraft 05-19-2015, 11:58 PM
Replies: 13
Views: 497
Posted By quorneng
The 6ch Orange Rx is mounted 'through' the pylon...

The 6ch Orange Rx is mounted 'through' the pylon spar in its own little Depron box.
180815
This has allowed the sub trims to be set up on the Tx to exactly 'centre' the ailerons and at the same...
Forum: Scratch and Kit Built Aircraft 05-19-2015, 06:09 PM
Replies: 10
Views: 411
Posted By quorneng
Nigel Don't know what the problem is but it...

Nigel
Don't know what the problem is but it must be your end or on the way there!
The pictures are not particularly large (biggest 220kb) and open up in less than a second for me.
Forum: Scratch and Kit Built Aircraft 05-18-2015, 09:46 PM
Replies: 13
Views: 497
Posted By quorneng
The rear section of the pylon with the ESC in...

The rear section of the pylon with the ESC in place.
180797
Its 'bare' heat sink is mounted flush with the pylon skin.
180798
Glued in place with the motor installed in the wing trailing edge....
Forum: Scratch and Kit Built Aircraft 05-17-2015, 09:51 PM
Replies: 13
Views: 497
Posted By quorneng
The new wing complete and under a load test. ...

The new wing complete and under a load test.
180789
Supported by its tips it is easily supporting the two 9oz steel blocks at the centre. This load is nearly twice the weight of the fuselage, motor...
Forum: Scratch and Kit Built Aircraft 05-16-2015, 08:33 PM
Replies: 13
Views: 497
Posted By quorneng
The flat, 24", parallel chord centre section is...

The flat, 24", parallel chord centre section is next.
180781
It has a hard balsa flanged spar that lies under the 2mm Depron skin.
180782
As the tip sections have to be glued on after the centre...
Forum: Scratch and Kit Built Aircraft 05-15-2015, 11:48 AM
Replies: 13
Views: 497
Posted By quorneng
The 'test' wing tip with the top skin added. ...

The 'test' wing tip with the top skin added.
180761
To limit the degree of double curvature required on the top skin the wing section is significantly reduced in thickness to the point that there...
Forum: Scratch and Kit Built Aircraft 05-14-2015, 11:39 PM
Replies: 13
Views: 497
Posted By quorneng
JPF The servos I am using only have about 90...

JPF
The servos I am using only have about 90 degrees total travel and the ailerons are not large so whilst the travel is generous it is not excessive. In addition I believe the inherent mechanical...
Forum: Scratch and Kit Built Aircraft 05-14-2015, 05:30 PM
Replies: 13
Views: 497
Posted By quorneng
As Endurance II was going to use virtually...

As Endurance II was going to use virtually indentical electrics (and the same battery!) as the original the new wing would be the only 'untested' element.

The wing will be built in three sections....
Forum: Scratch and Kit Built Aircraft 05-14-2015, 12:46 PM
Replies: 13
Views: 497
Posted By quorneng
Endurance again! Endurance II

Last year I lost my original 48" span Endurance quite literally.
180746
Too high and too far away I briefly lost sight of it turning in a thermal and never saw it again!
The Endurance was...
Forum: General Electric Discussions 05-07-2015, 11:30 AM
Replies: 25
Views: 546
Posted By quorneng
It pays to consider what those researchers were...

It pays to consider what those researchers were actually trying to do.
They were examining the physical processes that go on inside a Lithium battery during the course of a thermal runaway event.
...
Forum: Special Interest Aircraft 05-05-2015, 11:20 AM
Replies: 29
Views: 679
Posted By quorneng
theapplepi3.14 I am afraid all I can say is...

theapplepi3.14

I am afraid all I can say is that unless you have a great deal of money and the means to exploit a massive potential market measured in /$ tens of millions don't bother!
China for...
Forum: Scratch and Kit Built Aircraft 05-04-2015, 07:01 PM
Replies: 56
Views: 1,029
Posted By quorneng
Very well done indeed!

Very well done indeed!
Forum: Scratch and Kit Built Aircraft 04-30-2015, 10:47 PM
Replies: 56
Views: 1,029
Posted By quorneng
Excellent work indeed!

Excellent work indeed!
Forum: Scratch and Kit Built Aircraft 04-30-2015, 12:42 PM
Replies: 56
Views: 1,029
Posted By quorneng
Higel Scanner and a laser cutter! Sounds like...

Higel
Scanner and a laser cutter!
Sounds like cheating to me - but then only because I am jealous!
Forum: Scratch and Kit Built Aircraft 04-26-2015, 05:03 PM
Replies: 56
Views: 1,029
Posted By quorneng
Nigel That is a real challenge. My only...

Nigel
That is a real challenge.
My only concern with such a repair on that type of structure is you are going to rely heavily on the glue strength as the cross section of the individual pieces is...
Forum: Foamies 04-23-2015, 11:58 AM
Replies: 4,020
Views: 471,777
Posted By quorneng
Nigel I have done exactly the same thing but so...

Nigel
I have done exactly the same thing but so far only once! Its very embarrassing!
Forum: Scratch and Kit Built Aircraft 04-21-2015, 03:43 PM
Replies: 30
Views: 543
Posted By quorneng
Nigel What capacity LiPo will it use?

Nigel
What capacity LiPo will it use?
Forum: Scratch and Kit Built Aircraft 04-20-2015, 11:26 PM
Replies: 30
Views: 543
Posted By quorneng
Looks very nice But if it were me....... I...

Looks very nice
But if it were me.......
I would double the size of the fin (4 times the area) and probably 1.4 times (double the area) the tailplane too!
Forum: Scratch and Kit Built Aircraft 04-19-2015, 08:11 PM
Replies: 30
Views: 543
Posted By quorneng
Do you know the kV of the Emax 2805s? They do...

Do you know the kV of the Emax 2805s?
They do two versions 1500 and 2800.
A 6x4 could be a bit much for a 2800 even on a 2s.
I use a 5x3 3 blade on my 2800 with a 2s and they get quite warm if...
Forum: General Electric Discussions 04-14-2015, 05:10 PM
Replies: 11
Views: 244
Posted By quorneng
Are you sure your camera is creating a .mov file?...

Are you sure your camera is creating a .mov file?
My free copy of Movie Maker will not read mov's.
Its a Microsoft versus Apple thing!
Forum: Scratch and Kit Built Aircraft 04-11-2015, 11:59 AM
Replies: 30
Views: 543
Posted By quorneng
"Donkey motors won't pull the skin of a rice...

"Donkey motors won't pull the skin of a rice pudding"
I could say don't build a "rice pudding"! :D

Light and aerodynamically 'slippery' this uses a motor very similar to the 1500kV donkey and it...
Forum: Hi-Performance and Sailplanes 04-09-2015, 09:29 AM
Replies: 94
Views: 1,734
Posted By quorneng
theapplepi3.14 Your conclusion matches that of...

theapplepi3.14
Your conclusion matches that of the Bell engineers in 1940s!
Air breathing supersonics is a much more difficult aerodynamic/thermodynamic problem and took quite a bit longer to...
Forum: Hi-Performance and Sailplanes 04-08-2015, 11:31 AM
Replies: 94
Views: 1,734
Posted By quorneng
There are several operational supersonic cruise...

There are several operational supersonic cruise missiles most ram jet powered.
Forum: Hi-Performance and Sailplanes 04-03-2015, 12:58 AM
Replies: 94
Views: 1,734
Posted By quorneng
At the time (1946) there was a genuine feeling...

At the time (1946) there was a genuine feeling that the sound "barrier" was very real and would create insurmountable problems to maintain stable flight when passing through it. So soon after the war...
Forum: Scratch and Kit Built Aircraft 04-02-2015, 12:40 PM
Replies: 16
Views: 696
Posted By quorneng
Thanks Don for the award, to those that built...

Thanks Don for the award, to those that built planes for the competition and those that voted.
No real winner or looser just a good excuse to build something!
Forum: Hi-Performance and Sailplanes 04-01-2015, 05:30 PM
Replies: 94
Views: 1,734
Posted By quorneng
All I am saying is that in Concorde the Olympus...

All I am saying is that in Concorde the Olympus 593 still had an inlet spinner.
On the SR71 the normal spinner was replaced by the inlet shock body.
How much of this applies to supersonic inlets...
Forum: Hi-Performance and Sailplanes 04-01-2015, 11:05 AM
Replies: 94
Views: 1,734
Posted By quorneng
Do you realise that the 'spinner' you refer to at...

Do you realise that the 'spinner' you refer to at the front of the engine is still there even in a supersonic inlet duct....
Showing results 1 to 30 of 500

 
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