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Search: Posts Made By: chuckk2
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07-31-2016, 10:04 PM
Replies: 5
Views: 2,223
Posted By chuckk2

Move the wing back until the balance looks good,...

Move the wing back until the balance looks good, then remount the wing.
I had to do this with an ALFA 25 trainer
07-31-2016, 05:56 PM
Replies: 1
Views: 2,806
Posted By chuckk2

Ain't that simple. What is the approximate total...

Ain't that simple. What is the approximate total weight you are looking at.
I'd make a wild guess that 200W per pound might be needed.
Assuming a 55lb limit (FAA) 11,000 watts would be needed.
07-09-2016, 11:32 PM
Replies: 13
Views: 2,121
Posted By chuckk2

Drill Baby, Drill? Looks like some prying has...

Drill Baby, Drill?
Looks like some prying has already been tried!
Forum: Aerodynamics
07-05-2016, 08:10 PM
Replies: 22
Views: 4,385
Posted By chuckk2

Played with variable CG some time ago. Two models...

Played with variable CG some time ago. Two models stuck in memory. One, an Alpha 25 trainer, required so much added weight that I relocated the wing to the rear by about one inch. After that minor...
06-18-2016, 12:37 AM
Replies: 4
Views: 845
Posted By chuckk2

It comes down to the price. A DC only charger is...

It comes down to the price. A DC only charger is cheaper to supply than a decent AC/DC one.
American auto standard has been to leave the cigar lighter socket hot with the key off.
Many of the...
06-17-2016, 07:53 AM
Replies: 9
Views: 1,831
Posted By chuckk2

Floureon 5500mAh 3S 35C 11.1V LiPo RC BATTERY EC3...

Floureon 5500mAh 3S 35C 11.1V LiPo RC BATTERY EC3

Charge current (1S) 5.5A
Fully charged voltage 4.2v per cell 3x4.2=12.6v
Storage voltage 3.8x3=11.4v
Discharged voltage 3.2x3= 9.6v

Charge...
06-12-2016, 06:08 AM
Replies: 2
Views: 4,179
Posted By chuckk2

It's likely to require more than 1KW. What...

It's likely to require more than 1KW. What voltage is contemplated?
06-09-2016, 07:32 PM
Replies: 5,280
Views: 201,340
Posted By chuckk2

"or the law enacted by Congress banning FAA rules...

"or the law enacted by Congress banning FAA rules for model aircraft."

banning NEW FAA rules is correct. The FAA claims that it just did not enforce the existing ones, as well as adding new ones...
06-09-2016, 07:08 PM
Replies: 1
Views: 511
Posted By chuckk2

First, the lower charge rate than discharge rate...

First, the lower charge rate than discharge rate is fairly common to rechargeable batteries.
The most common is (naturally) the lead acid type. The modern lead acid has lead plates with
a porous...
Replies: 26
Views: 2,335
Posted By chuckk2

This is a lulu! Anyway, with the long leads,...

This is a lulu!
Anyway, with the long leads, I'd add a capacitor to the servo power leads towards the servo. I'd also connect the servo control wire via a 1K to 10K or so resistor to the common...
06-04-2016, 09:38 PM
Replies: 8
Views: 981
Posted By chuckk2

Should this be happening? Probably. The battery...

Should this be happening? Probably. The battery may need several charge discharge cycles before it reaches maximum capability.
06-04-2016, 09:27 PM
Replies: 8
Views: 1,134
Posted By chuckk2

The 4200 likely has a bad cell. With careful low...

The 4200 likely has a bad cell. With careful low current charging, it might be usable as a bench test source if full current and capacity are not needed.
The 350 may be ok with proper charging....
05-31-2016, 09:07 PM
Replies: 5
Views: 719
Posted By chuckk2

Short of running multiple charge discharge cycles...

Short of running multiple charge discharge cycles to find out what the actual capacity is, I'd just replace the batteries.
Also watch out for NOS stock in hobby shops.
05-31-2016, 09:04 PM
Replies: 3
Views: 479
Posted By chuckk2

You have to be kidding! Use the same connectors...

You have to be kidding! Use the same connectors that you use to connect the Lipos and ESC's.
I'll leave the whyfors to someone else.
Replies: 23
Views: 4,716
Posted By chuckk2

A higher "C" rating usually means that the Lipo...

A higher "C" rating usually means that the Lipo has a bit lower internal impedance than a lower "C" rating.
In a few cases, it's an inflated rating to help sell.
05-21-2016, 08:23 PM
Replies: 5
Views: 1,631
Posted By chuckk2

I think that might mean battery voltage error...

I think that might mean battery voltage error cell connection. The picture shows the multiconnector, and an in line adapter.

Do you have a DMM that you can use to read the cell voltages?
05-19-2016, 06:14 PM
Replies: 1
Views: 3,330
Posted By chuckk2

Is this the model? Designed by Bill Evans,...

Is this the model?
Designed by Bill Evans, Future shock is the latest in the Simitar Series of tailless aircraft. It has a balsa-and-ply fuselage and a foam wing, and the plans show two versions-...
05-19-2016, 05:03 PM
Replies: 104
Views: 8,688
Posted By chuckk2

"No it's no OK to be completely irresponsible...

"No it's no OK to be completely irresponsible just because your a "billion dollar industry".
That's why they pay lobbyists to convince the politicians that it's AOK.
Replies: 5
Views: 714
Posted By chuckk2

Brushed motor systems are simpler and less...

Brushed motor systems are simpler and less expensive. They tend to be supplied with lower cost models, or older versions.
And if everything is as it should be, brushless motor systems are able to...
05-19-2016, 04:44 PM
Replies: 65
Views: 6,482
Posted By chuckk2

The FAA - - - If it flies it is in airspace. We...

The FAA - - - If it flies it is in airspace. We control airspace.
If it's not specifically allowed, it's forbidden.
Ergo Sum Est!
05-17-2016, 06:42 AM
Replies: 1
Views: 533
Posted By chuckk2

The E Flite motors have different RPM (KV)...

The E Flite motors have different RPM (KV) ratings.
When looking at the 46, 52, and 60 motors, that must be taken into account.
First, what is the expected overall weight, and what is the maximum...
05-01-2016, 06:21 PM
Replies: 6
Views: 1,751
Posted By chuckk2

One is a wiring diagram, the other sort of a...

One is a wiring diagram, the other sort of a schematic. Both are correct.
Forum: The Clubhouse
05-01-2016, 05:52 PM
Replies: 24
Views: 1,814
Posted By chuckk2

Dealing with reputable vendors costs more. I...

Dealing with reputable vendors costs more. I seldom buy from others, because of the hassle and higher chances of problems.
On the other hand, buying electronic parts (If you know what you are...
04-30-2016, 09:15 AM
Replies: 1
Views: 506
Posted By chuckk2

Safe capacity limit may be user settable. The...

Safe capacity limit may be user settable. The NMIH might better than the 2000mah rating, or at the start, might have been more discharged than normal.
I'd likely try cycling to see what happens. ...
04-28-2016, 08:04 PM
Replies: 5
Views: 3,600
Posted By chuckk2

Lets see - - An automotive Pb battery is about...

Lets see - -
An automotive Pb battery is about 13.6v or so at full charge Maximum charging voltage is about 14.6-14.7v
The charge rate is usually no more than a few amps if the maximum charge...
Showing results 1 to 25 of 500
 


 
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