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Search: Posts Made By: fhhuber
Forum: Power Systems Today, 04:59 AM
Replies: 4
Views: 77
Posted By fhhuber
There's more to worry about than just rpm. ...

There's more to worry about than just rpm.

How much power will the system demand (watts) to turn the size prop you want at the rpm you'll get?

Properly set up gear drives can work... They...
Forum: Special Interest Aircraft 07-08-2015, 05:01 PM
Replies: 1
Views: 211
Posted By fhhuber
Effective wing area of the Rogallo wing is based...

Effective wing area of the Rogallo wing is based on the triangle formed by the frame, not the area of the sailcloth.

You narrow it and only change the V angle of the nose but leave everything else...
Forum: General Electric Discussions 06-30-2015, 09:35 PM
Replies: 21
Views: 514
Posted By fhhuber
Actually the issue with reverse rotation of glow...

Actually the issue with reverse rotation of glow is port timing and many earlier engines (and some current engines) had the ability for you to alter the port timing for reverse rotation.

The...
Forum: Batteries & Chargers 06-23-2015, 03:40 AM
Replies: 9
Views: 321
Posted By fhhuber
Part of it is added heat loss in the charger at...

Part of it is added heat loss in the charger at the higher rate.
Part of it is in the way a lead-acid battery works and higher discharge rate is less efficient at converting the chemical (stored)...
Forum: Beginners 06-01-2015, 04:07 PM
Replies: 79
Views: 2,413
Posted By fhhuber
The ones from before AS3X never had the issue.

The ones from before AS3X never had the issue.
Forum: General Electric Discussions 06-01-2015, 12:06 AM
Replies: 13
Views: 547
Posted By fhhuber
The e-CL timers typically have a 30 sec delay.

The e-CL timers typically have a 30 sec delay.
Forum: General Electric Discussions 05-29-2015, 06:35 PM
Replies: 36
Views: 955
Posted By fhhuber
I'm finding that power system of modern electric...

I'm finding that power system of modern electric is very similar weight vs glow at take-off. (full fuel tank)
For appx equal performance.

Modern aircraft structures for e-power tend to be lighter...
Forum: Video Parking lot 05-20-2015, 11:28 AM
Replies: 9
Views: 548
Posted By fhhuber
How dark is too dark to fly an unlighted model...

How dark is too dark to fly an unlighted model depends on the pilot's vision and the airplane's colors...

If you have good enough vision to see the plane its fine.

******




I got the...
Forum: General Electric Discussions 05-16-2015, 11:26 PM
Replies: 20
Views: 1,317
Posted By fhhuber
Hobby King do the right thing? Good luck.

Hobby King do the right thing?

Good luck.
Forum: Beginners 05-16-2015, 10:46 AM
Replies: 28
Views: 753
Posted By fhhuber
You can get a combination where moderate...

You can get a combination where moderate deflection at speed can G load the aircraft and force an effective AOA > where the wing will stall.
Referred to as an "accelerated stall".

You can...
Forum: Beginners 05-16-2015, 01:40 AM
Replies: 28
Views: 753
Posted By fhhuber
Several reasons possible. Linkage...

Several reasons possible.

Linkage adjustments. Connecting the push-rod close to the servo arm center of rotation and/or far out on the control horn will give low throw.

ATV/endpoints/dual rate...
Forum: Beginners 05-08-2015, 06:53 PM
Replies: 28
Views: 753
Posted By fhhuber
Uneven flex can be caused by the spar not being...

Uneven flex can be caused by the spar not being glued in correctly. Found that on a few foamies.

Hold the model by the wingtips canopy toward your chest and pull the wingtips back. You don't...
Forum: Beginners 05-08-2015, 04:50 PM
Replies: 28
Views: 753
Posted By fhhuber
Check wing flex... I bet its uneven.

Check wing flex... I bet its uneven.
Forum: Beginners 04-28-2015, 09:34 PM
Replies: 32
Views: 824
Posted By fhhuber
Deltas that are nose-heavy and trimmed to...

Deltas that are nose-heavy and trimmed to compensate will pitch up with increased power...

You've got a plane that will vary power for yaw (differential thrust), thus you can get this pitch effect...
Forum: General Electric Discussions 04-26-2015, 04:40 PM
Replies: 33
Views: 678
Posted By fhhuber
While the signal strength is weakest with the...

While the signal strength is weakest with the antenna pointed straight at the plane.... you should still get over 1/2 mile. Its not a cone of silence.
Forum: General Electric Discussions 04-26-2015, 09:31 AM
Replies: 33
Views: 678
Posted By fhhuber
Backward compatibility would only be an issue if...

Backward compatibility would only be an issue if they are ceasing to support DSM2 with the newer TX.

That is a possibility, but I haven't heard of it. There's too many DSM2 RXs in use and i don't...
Forum: General Electric Discussions 04-26-2015, 08:49 AM
Replies: 33
Views: 678
Posted By fhhuber
Transmitting Mode for Spektrum's newer TXs... you...

Transmitting Mode for Spektrum's newer TXs... you can allow DSMX or force DSM2. DSM2 will work with DSM2 or DSMX compatible RXs.

If you force DSM2 you prevent the system from trying to use the...
Forum: Beginners 04-26-2015, 02:55 AM
Replies: 32
Views: 824
Posted By fhhuber
Sounds like bad trim over-ridden by SAFE in the...

Sounds like bad trim over-ridden by SAFE in the panic mode but not properly compensated for at any other time.

Range issue might actually be the way the aircraft was responding due to airspeed. ...
Forum: General Electric Discussions 04-25-2015, 08:15 PM
Replies: 33
Views: 678
Posted By fhhuber
Intermittent TX might be an issue... I...

Intermittent TX might be an issue...

I don't know if Orange has an RX flash code for temporary loss of detecting the TX. That's easy to test for... remove prop... turn on normally and ensure...
Forum: General Electric Discussions 04-25-2015, 01:24 PM
Replies: 33
Views: 678
Posted By fhhuber
You can leave the TX on between flights and take...

You can leave the TX on between flights and take any amount of time between removing power from the RX and powering it back up and the RX can still give the "I lost power" flash code. That code...
Forum: RC Radios, Transmitters, Receivers, Servos, gyros 04-19-2015, 04:37 PM
Replies: 6
Views: 231
Posted By fhhuber
You can use a Y harness for dual servos operating...

You can use a Y harness for dual servos operating ailerons, flaps or elevator. (or anything else)

To get one aileron to go up while the other goes down you adjust the geometry of the control...
Forum: Beginners 04-18-2015, 02:20 AM
Replies: 17
Views: 631
Posted By fhhuber
Yes, overly sensitive gyros/stabilizers can wag...

Yes, overly sensitive gyros/stabilizers can wag the controls very fast.

But that would probably mean he played with the settings.
Forum: Beginners 04-18-2015, 12:03 AM
Replies: 17
Views: 631
Posted By fhhuber
All sorts of flutter causes... #1 loose...

All sorts of flutter causes...

#1 loose control linkages.
Poor hinges
Servo gear slop
Airflow through the hinge line. (probably not your issue)
Flexing of the control surface and/or fixed...
Forum: General Electric Discussions 04-17-2015, 06:41 PM
Replies: 4
Views: 234
Posted By fhhuber
You can affect the way the aircraft responds a...

You can affect the way the aircraft responds a surprising amount by changing props. Using the correct prop for the airplane and motor is very important for getting the best result.

Manufacturers...
Forum: Delta & Flying Wings 04-15-2015, 02:47 AM
Replies: 5
Views: 394
Posted By fhhuber
Depends on what you want to do... They can fly...

Depends on what you want to do... They can fly with 0 or more than 45 per side. Typical is close to 15 deg. 45 tends to end up being a delta.

Sweep tends to act somewhat like having dihedral...
Forum: Sport Planes (Formerly I/C & Gas Conversion) 04-14-2015, 03:29 AM
Replies: 7
Views: 307
Posted By fhhuber
Should be very close to the glow version full...

Should be very close to the glow version full fuel weight.

So many ways to alter the weight of the Sr that there's no real predicting final weight. Change covering and you can change by several...
Forum: General Electric Discussions 04-04-2015, 05:43 AM
Replies: 5
Views: 198
Posted By fhhuber
Springtime means annual inspections

Lots of planes to check out here.

Finding all kinds of stuff to work on. Loose motor mounting screws: failed ancient servo extensions, bad hinges...

And of course load checking the batteries...
Forum: Scale E-Powered Aircraft 04-04-2015, 04:30 AM
Replies: 4
Views: 530
Posted By fhhuber
Motor should be a good match. Way more power...

Motor should be a good match. Way more power than the glow you are replacing.

Wattmeter test the prop... just doesn't sound right to me.

And I expect you might have ground clearance issues.
Forum: General Electric Discussions 03-29-2015, 05:18 AM
Replies: 25
Views: 456
Posted By fhhuber
It used to be common for these large models to...

It used to be common for these large models to use 2 RXs with 72 mhz. Not so common with the much more reliable 2.4ghz systems.

Also the splitting to 2 RXs split the servo loads to 2 batteries...
Forum: General Electric Discussions 03-29-2015, 04:58 AM
Replies: 25
Views: 456
Posted By fhhuber
I've heard of the Snapper before... never...

I've heard of the Snapper before... never actually seen one. supposed to be 88 inch span and might be similar to a low wing Stick by AMR...
Showing results 1 to 30 of 300

 
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