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Search: Posts Made By: fhhuber
Forum: General Electric Discussions 07-18-2014, 02:03 AM
Replies: 3
Views: 83
Posted By fhhuber
Any Tiger Moth.. correct CG is where the rear...

Any Tiger Moth.. correct CG is where the rear cabane (at the cockpit) struts meet the upper wing.

There's a little range forward from there... almost none aft of there.
Forum: Beginners 07-15-2014, 03:37 PM
Replies: 10
Views: 217
Posted By fhhuber
More power required to lift the higher weight you...

More power required to lift the higher weight you might actually reduce flight time. This is more often the case with the helis and multirotors, but I have seen it in some cases witth fixed wing.
...
Forum: UAV / FPV 07-09-2014, 02:11 AM
Replies: 8
Views: 145
Posted By fhhuber
YOU may not allow simultaneous fixed wing and...

YOU may not allow simultaneous fixed wing and heli... we haven't had any problems with it.

You can have the same issues with the "3D" fixed wing flying at the same time as the more traditional...
Forum: Batteries & Chargers 07-08-2014, 05:59 PM
Replies: 17
Views: 304
Posted By fhhuber
It really depends on how much charging you will...

It really depends on how much charging you will be doing...

A couple of charges of a 3S 2000 mah pack then take the car battery home and recharge it and you'll be fine. but if you do 3 charges of...
Forum: Beginners 07-02-2014, 04:16 AM
Replies: 30
Views: 494
Posted By fhhuber
The yellow foaming Gorila glue will work but not...

The yellow foaming Gorila glue will work but not as nicely as the "Dries White"

Before the white, quick drying version came out I used to recommend mixing 4 parts of the Gorilla foaming...
Forum: Beginners 07-02-2014, 02:39 AM
Replies: 30
Views: 494
Posted By fhhuber
Gorilla Glue "Dries White". It will expand and...

Gorilla Glue "Dries White". It will expand and fill the gap. Then shave off excess, sand and touch up the paint.


Then... don't fly near power lines.
Forum: Electronic Builders Workshop 06-28-2014, 06:45 PM
Replies: 9
Views: 181
Posted By fhhuber
Clearing model memory and starting over might...

Clearing model memory and starting over might help... That might require a rebind. (didn't require rebind with X9303 DSM2... haven't checked with my DX-18 DSMX mode)

Check that the aileron that...
Forum: Electronic Builders Workshop 06-28-2014, 04:43 AM
Replies: 9
Views: 181
Posted By fhhuber
It renamed the AUX1 port in the TRANSMITTER, but...

It renamed the AUX1 port in the TRANSMITTER, but didn't change the label on the RX... its still AUX1

JR/Spektrum port order is: Throttle, Aileron, Elevator, Rudder, Gear, AUX1/2/3/4/5...
...
Forum: General Electric Discussions 06-22-2014, 03:08 AM
Replies: 16
Views: 400
Posted By fhhuber
Description of sudden departure from stable...

Description of sudden departure from stable flight sounds like the typical stall of an elliptical winged aircraft. No warning just snap into a spin and if you don't know how to recover you're done....
Forum: General Electric Discussions 06-10-2014, 02:30 AM
Replies: 25
Views: 405
Posted By fhhuber
Use a separate channel for the nosegear mix to...

Use a separate channel for the nosegear mix to the mains and reverse it.

Its the old Futaba vs JR "which way is left" issue... legacy of + shift vs - shift FM
Forum: Beginners 06-08-2014, 03:07 PM
Replies: 7
Views: 222
Posted By fhhuber
Watts more than kv... but it also depends n the...

Watts more than kv... but it also depends n the style of airplane. If you don't have enough watts then you won't fly at all. If you have the wrong kv it won't fly well.

High kv for high speed...
Forum: Hi-Performance and Sailplanes 05-31-2014, 05:12 PM
Replies: 9
Views: 343
Posted By fhhuber
Plug in servos for an airplane... one servo per...

Plug in servos for an airplane... one servo per channel (using the standard R E T A + ch 6 = 2nd aileron) and load the other channels ... then start playing with mixes and see what they do.

Note...
Forum: Delta & Flying Wings 05-22-2014, 07:07 AM
Replies: 36
Views: 1,278
Posted By fhhuber
Max watt rating has to do with motor efficiency...

Max watt rating has to do with motor efficiency and overheating the windings.
(well usually its the windings that fail first... sometimes the magnets)

As long as you are in the expected...
Forum: Foamies 05-20-2014, 08:41 PM
Replies: 7
Views: 322
Posted By fhhuber
True deltas tend to work out to slightly less...

True deltas tend to work out to slightly less than 1/2 the distance from nose to tail. I'd start with CG at 11 inches from the nose.

That should be nose-heavy vs where you get best performance.
...
Forum: General Electric Discussions 05-17-2014, 09:11 PM
Replies: 28
Views: 766
Posted By fhhuber
Sometimes just putting a spinner on will do the...

Sometimes just putting a spinner on will do the trick to control the fold.
Forum: General Electric Discussions 05-17-2014, 03:13 PM
Replies: 28
Views: 766
Posted By fhhuber
The folding props do fol;d backward, but there's...

The folding props do fol;d backward, but there's no reason you can't use it on a pusher.

You might need to rig stops to prevent the prop from folding past shaft centerline to ensure it will spread...
Forum: Warbird Electrics 05-17-2014, 06:20 AM
Replies: 38
Views: 1,241
Posted By fhhuber
The typical issue for pictures is size. I...

The typical issue for pictures is size.
I generally take the photo then load in Paint and shrink to 30%, save as JPG, then they load fine.

I cropped and shrank the photo for my avatar to...
Forum: General Electric Discussions 05-15-2014, 02:44 PM
Replies: 28
Views: 766
Posted By fhhuber
Pusher is more efficient than an EDF. So for the...

Pusher is more efficient than an EDF. So for the same watts at the same weight (with good prop selection) you SHOULD go faster.... or you should be able to get the same performance on less watts...
Forum: Multi-Rotors 05-15-2014, 03:03 AM
Replies: 6
Views: 216
Posted By fhhuber
He traded off pitch for dia... probably not too...

He traded off pitch for dia... probably not too bad of a load increase (if any) on the motors & ESCs at hover power. The lower pitch, larger dia props would be more efficient for hover. They'll be...
Forum: Multi-Rotors 05-15-2014, 02:41 AM
Replies: 6
Views: 216
Posted By fhhuber
Spacing between props is probably the issue. You...

Spacing between props is probably the issue. You have cut the spacing by 2 inches. That allows the props' tip vortices to interact more.

It may or may not be able to work when flying at speed as...
Forum: General Electric Discussions 05-07-2014, 10:06 PM
Replies: 20
Views: 505
Posted By fhhuber
You can verify you aren't overloading by simple...

You can verify you aren't overloading by simple use of an IR thermometer...
I avoid ever getting a motor above 150F. (flying in up to 115F "ambient" air) I keep the ESCs below 130F. My batteries...
Forum: Scratch and Kit Built Aircraft 04-24-2014, 05:34 PM
Replies: 17
Views: 631
Posted By fhhuber
Still need the down thrust (occasionally up on...

Still need the down thrust (occasionally up on low wing models). Should go ahead and put in the right and trim each motor's angle with the other prop removed. The purpose of this is to minimize...
Forum: Foamies 04-20-2014, 04:15 PM
Replies: 22
Views: 683
Posted By fhhuber
Silk goes on relatively easily and provides...

Silk goes on relatively easily and provides immense added strength. Silk has more than 10 times the tensile strength of steel by weight.

"Glueing" the silk to the foam with WBP paint essentially...
Forum: Scratch and Kit Built Aircraft 04-19-2014, 07:28 AM
Replies: 13
Views: 462
Posted By fhhuber
Real trick is keeping the booms light but stiff. ...

Real trick is keeping the booms light but stiff. Its very easy to make a 336/337 tail-heavy.

I had the Nitroplanes big 337
(336 is fixed gear with a different air scoop at the wing TE.... going...
Forum: Warbird Electrics 04-18-2014, 01:59 PM
Replies: 65
Views: 2,020
Posted By fhhuber
If paranoid about cooling in the P-51... open the...

If paranoid about cooling in the P-51... open the scale chin cowl and make a scale air exit at the back of the belly air scoop. Very easy.

The original ESC handles the 4S just fine. Don't even...
Forum: General Electric Discussions 04-16-2014, 04:28 PM
Replies: 44
Views: 892
Posted By fhhuber
Best storage is in the refrigerator at 3.7 to 3.8...

Best storage is in the refrigerator at 3.7 to 3.8 v/cell. It turns out the best storage temperature for milk (35 to 40 F) is the best storage temperature for LiPos.
LET THE PACKS WARM BEFORE USE. ...
Forum: Vintage and old timer models 04-09-2014, 06:35 AM
Replies: 19
Views: 689
Posted By fhhuber
I suspect that one of the reasons for the Falcon...

I suspect that one of the reasons for the Falcon wings folding is the pilots flying them more aggressively than what they were really intended for. When it was designed people were thrilled to be...
Forum: General Electric Discussions 04-08-2014, 03:34 AM
Replies: 30
Views: 625
Posted By fhhuber
There are weights made to go inside the spinner,...

There are weights made to go inside the spinner, bolted on with the prop.
Examples:

http://www.gravesrc.com/GPMQ4640_GP_SPINNER_NUT_1_4_28_BRASS_p/gpmq4640.htm
...
Forum: Electric Ducted Fan Jets 03-29-2014, 02:29 AM
Replies: 21
Views: 730
Posted By fhhuber
Banana Hobby has some.. They are out there if...

Banana Hobby has some.. They are out there if you look.
Forum: General Electric Discussions 03-26-2014, 04:48 AM
Replies: 17
Views: 539
Posted By fhhuber
Common "flaperon mix: 1st!!! make the...

Common "flaperon mix:

1st!!! make the ailerons work normally on a Y harness. This checks that the servos are centered correctly and the linkages are correct.

One aileron's servo plugs into the...
Showing results 1 to 30 of 170

 
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