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Search: Posts Made By: Rodneh
Forum: General Electric Discussions 02-03-2014, 10:09 PM
Replies: 44
Views: 1,553
Posted By Rodneh
Started with rubber powered free flight in 1936,...

Started with rubber powered free flight in 1936, U control in the '40's and RC since the mid 50's.
Forum: RC Radios, Transmitters, Receivers, Servos, gyros 01-26-2014, 01:55 PM
Replies: 5
Views: 622
Posted By Rodneh
Yes, okay, the power and ground pins are common...

Yes, okay, the power and ground pins are common on all the receiver connectors on most receivers. This lets you plug the power source into any unused channel.
Forum: RC Radios, Transmitters, Receivers, Servos, gyros 06-22-2013, 09:28 PM
Replies: 13
Views: 1,276
Posted By Rodneh
One possible reason, I need to check it out when...

One possible reason, I need to check it out when I get the time. The magnitude of the pulse sent to the retract servo may be to low. I think the max amplitude out of many of the 2.4GHz recievers is...
Forum: Batteries & Chargers 06-10-2013, 11:27 PM
Replies: 6
Views: 587
Posted By Rodneh
Contrary to some of the advice above I have found...

Contrary to some of the advice above I have found that as long as the cells do not get a reverse charge it does not hurt them to self discharge to very low levels. In fact, on NiCads, NASA did some...
Forum: General Electric Discussions 01-04-2013, 01:38 PM
Replies: 11
Views: 1,312
Posted By Rodneh
Tiger Moth, most any brand.

Tiger Moth, most any brand.
Forum: General Electric Discussions 12-10-2012, 01:01 PM
Replies: 13
Views: 906
Posted By Rodneh
Those old 148 servos are probably the most...

Those old 148 servos are probably the most reliable low priced servos ever made. The only ones I ever wore out (the pot wipers actually had worn a path through the conductive coating on the pot) but...
Forum: Scratch and Kit Built Aircraft 11-13-2012, 04:58 PM
Replies: 11
Views: 1,284
Posted By Rodneh
For long straight cuts, I have reasonable good...

For long straight cuts, I have reasonable good luck cutting slightly outside the lines the using a long straight edged object with sandpaper attached to sand the edge down to the line. If you have a...
Forum: RC Radios, Transmitters, Receivers, Servos, gyros 10-19-2012, 08:58 PM
Replies: 4
Views: 807
Posted By Rodneh
Caution, Orange 7 Ch DSM2 can short out battery

One small flaw in the Orange DSM2 7 channel receiver. The center pin on the bind plug is soldered to the ground pin. should you accidentally plug a 4 or 5 cell battery into the bind plug slot with...
Forum: General Electric Discussions 08-30-2012, 04:36 PM
Replies: 6
Views: 726
Posted By Rodneh
When you have two batteries in parallel (same...

When you have two batteries in parallel (same cell count and type) the voltage of the two will always be equal. This makes sure that each battery supplies it's proportional share of the load; i.e....
Forum: General Electric Discussions 07-05-2012, 05:16 PM
Replies: 92
Views: 7,062
Posted By Rodneh
I have found that using pull-pull on both the...

I have found that using pull-pull on both the elevator and rudder is always the most reliable and trouble free if properly done. On pull-pull just be sure to have some positive Ackerman in the setup...
Forum: General Electric Discussions 07-02-2012, 10:46 PM
Replies: 92
Views: 7,062
Posted By Rodneh
I liked this design so much that I built and flew...

I liked this design so much that I built and flew 7 of them and then the Giant Aeromaster which also flew great. I found that setting them up with the upper wing at 1.5 degrees less angle of attack...
Forum: RC Radios, Transmitters, Receivers, Servos, gyros 06-23-2012, 08:11 PM
Replies: 15
Views: 10,454
Posted By Rodneh
DSMX is Spectrums attempt to approach Futaba's...

DSMX is Spectrums attempt to approach Futaba's reliability by adapting the same techniques Futaba's FAAST system uses.
Forum: Batteries & Chargers 04-14-2012, 08:55 PM
Replies: 3
Views: 732
Posted By Rodneh
In nearly all (I do not know of a single...

In nearly all (I do not know of a single exception) the range of your system will not depend on the voltage of either the transmitter or receiver batteries as long as the voltage is within the...
Forum: RC Radios, Transmitters, Receivers, Servos, gyros 02-15-2012, 04:33 PM
Replies: 6
Views: 948
Posted By Rodneh
Meaning is clear but the text is not quite true;...

Meaning is clear but the text is not quite true; the torgue is not changed--it is a constant for any particular servo. However, the force exerted by the arm is lower, the longer the arm, the less...
Forum: Power Systems 12-28-2011, 06:37 PM
Replies: 9
Views: 769
Posted By Rodneh
Did you do a proper break in of the battery? ...

Did you do a proper break in of the battery? Most NiMh will perform best if given a forming charge, may take up to 5 cycles of this for maximum performance. A forming charge is defined as charging...
Forum: Power Systems 12-28-2011, 03:48 PM
Replies: 9
Views: 769
Posted By Rodneh
Most likely to be that your battery is not...

Most likely to be that your battery is not sufficient, to low a C rating, getting old and weaker, or ????.
Forum: Beginners 12-23-2011, 03:54 PM
Replies: 18
Views: 3,704
Posted By Rodneh
If you do not heed the advice given above and...

If you do not heed the advice given above and decide to try it yourself, do take the time to do the following:
Make sure that it is a little nose heavy, i.e. balance as far forward at the foremost...
Forum: Batteries & Chargers 11-04-2011, 10:38 PM
Replies: 7
Views: 1,300
Posted By Rodneh
Black wire disease, if present, always starts at...

Black wire disease, if present, always starts at the negative terminal of a NiCad battery. In some 50 years of electronics etc. I have never seen black wire on anything that did not have a NiCad...
Forum: Aerodynamics 08-14-2011, 11:10 PM
Replies: 17
Views: 3,481
Posted By Rodneh
Mass balance (as much weight forward of the hinge...

Mass balance (as much weight forward of the hinge line as aft) can be very useful on larger models as it take a big shock load off the servos if it get a high g load like on a poor bouncy landing as...
Forum: Beginners 08-04-2011, 09:31 PM
Replies: 5
Views: 1,828
Posted By Rodneh
Those antenna are not 140mm long, only the bare...

Those antenna are not 140mm long, only the bare end on each of the cables to the antenna is the actual antenna, the line between is a coaxial cable and that part can be bent, not sharply (don't let...
Forum: Aerodynamics 08-01-2011, 11:12 PM
Replies: 17
Views: 3,481
Posted By Rodneh
It is a matter of symantics, balance tabs can...

It is a matter of symantics, balance tabs can take many forms, often on models just weights that are forward of the hinge line to counteract or balance the weight of the surfaces or can be...
Forum: Scratch and Kit Built Aircraft 07-18-2011, 03:34 PM
Replies: 7
Views: 2,358
Posted By Rodneh
Colortex, Worldtex and Solartex are all the same...

Colortex, Worldtex and Solartex are all the same product. Solartex is available from BalsaUSA and is my favorite covering for large model aircraft. Ceconite is also very good but you need to supply...
Forum: Batteries & Chargers 05-30-2011, 03:45 PM
Replies: 10
Views: 982
Posted By Rodneh
Larry is correct, no problem as long as the...

Larry is correct, no problem as long as the current from the pack having the lowest C rating is not exceeded; this means that the maximum current you can safely pull instantaniously from the combined...
Forum: Aerodynamics 05-20-2011, 04:18 PM
Replies: 17
Views: 3,481
Posted By Rodneh
Those are not balance tabs. A balance tab is...

Those are not balance tabs. A balance tab is where you add weight in front of a hinge line to equal or compensate for the weight of the surface aft of the hinge line. Again useful items in many...
Forum: Aerodynamics 05-20-2011, 04:15 PM
Replies: 17
Views: 3,481
Posted By Rodneh
Flypaper2, that is not a trim tab (the topic of...

Flypaper2, that is not a trim tab (the topic of this particular bit) but is a boost tab, two different items. Your comments are very useful however. I have done similar test with similar results...
Forum: RC Radios, Transmitters, Receivers, Servos, gyros 03-09-2011, 04:27 PM
Replies: 5
Views: 2,091
Posted By Rodneh
All servos are quite similar in input...

All servos are quite similar in input requirements and all I have seen have been completely interchangeable between systems. One possible exception is some of the very early (20 years or so ago)...
Forum: General Electric Discussions 03-07-2011, 10:32 PM
Replies: 32
Views: 2,465
Posted By Rodneh
Yep, negative expo on a Futaba or Hitec, positive...

Yep, negative expo on a Futaba or Hitec, positive on JR or Spectrum. I like it, about 30 to 50% depending on the plane. I do not recommend turning down the throw, you might need it all at some...
Forum: Scratch and Kit Built Aircraft 12-21-2010, 09:48 PM
Replies: 20
Views: 2,012
Posted By Rodneh
The optimum amount of downthrust depends greatly...

The optimum amount of downthrust depends greatly on the type of model. High wing models such as a Cub usually require large amounts of downthrust. Low wing models may not require any at all. If...
Forum: Beginners 11-15-2010, 04:23 PM
Replies: 84
Views: 6,514
Posted By Rodneh
Riverrat is correct, the tight fit (low impedance...

Riverrat is correct, the tight fit (low impedance connection) is what makes Dean's plug so good. I've used Dean's for years now and have no problem in connecting/disconnecting them.
Forum: RC Radios, Transmitters, Receivers, Servos, gyros 11-03-2010, 04:29 PM
Replies: 97
Views: 11,639
Posted By Rodneh
Kielservicetec knows what he is talking about. ...

Kielservicetec knows what he is talking about. Niether the capacitor on your radio nor the power saver for your house will pay off to anyone except the sellers of the "almost works" equipment. The...
Showing results 1 to 30 of 68

 
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