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Search: Posts Made By: flydiver
Forum: Batteries & Chargers 04-06-2014, 12:20 AM
Replies: 5
Views: 128
Posted By flydiver
Yep. You can charge them cold but if you get a...

Yep.
You can charge them cold but if you get a full charge into them while still cold they could over volt as they warm up. Might be ugly.
Forum: General Electric Discussions 03-17-2014, 05:37 PM
Replies: 10
Views: 322
Posted By flydiver
Since it charges slowly anyway I've found no...

Since it charges slowly anyway I've found no problem at running it at 1.5-2C.
When doing 2S x 2 it handles them independently. I generally do charge similar size batteries in pairs but they are...
Forum: General Electric Discussions 03-17-2014, 04:54 PM
Replies: 10
Views: 322
Posted By flydiver
It will work fine as long as the balance taps...

It will work fine as long as the balance taps fit, they should.
That charger does not charge as fast as the specs indicate (about 30%) slower, and it does not charge up to 4.2v/cell, more like...
Forum: General Electric Discussions 03-08-2014, 01:54 AM
Replies: 6
Views: 204
Posted By flydiver
I only have one of those. You need to push the...

I only have one of those. You need to push the button...right?
Nope, MASH that POS button. See if that works. What do you have to lose?
Lousy button, really really lousy. At least mine is.
Forum: General Electric Discussions 02-22-2014, 12:07 AM
Replies: 23
Views: 668
Posted By flydiver
Metal tool box, the smaller hand carry type. I've...

Metal tool box, the smaller hand carry type. I've got an older Craftsman that would likely contain something like that but would be a nuisance to carry around.
Forum: Power Systems 02-11-2014, 09:10 PM
Replies: 14
Views: 425
Posted By flydiver
Theoretically a larger battery should only affect...

Theoretically a larger battery should only affect capacity. In reality a larger (better?) lipo will support more throughput and sag less. Therefore more load on the ESC. If the ESC was running on the...
Forum: General Electric Discussions 01-06-2014, 11:06 PM
Replies: 30
Views: 16,878
Posted By flydiver
I'd start by read this: Timing Test by Ken...

I'd start by read this:
Timing Test by Ken Meyer (http://www.theampeer.org/timing/timing.htm)

The Radian has a low KV motor. It's already got more power than you need. I'd guess efficiency is...
Forum: Power Systems 11-04-2013, 03:49 PM
Replies: 6
Views: 262
Posted By flydiver
Approx rule of thumb: output is ~ 3W/gram of...

Approx rule of thumb: output is ~ 3W/gram of weight..maximum. That's not an absolute as some poor motors are notably under that and a few great ones a bit above. A good rewinder can take an OK motor...
Forum: Electronic Builders Workshop 11-01-2013, 04:30 PM
Replies: 22
Views: 885
Posted By flydiver
You don't have to bother with aspirin. Just get...

You don't have to bother with aspirin. Just get an Xacto knife and scrape it. I don't personally know why people like this method. I tried it (yes, real ASA with no coating), thought it sucked. But...
Forum: Scratch and Kit Built Aircraft 10-31-2013, 07:43 PM
Replies: 20
Views: 664
Posted By flydiver
No, pitch equates to forward motion. Most of the...

No, pitch equates to forward motion. Most of the impact is on the speed of the plane.
A high pitch prop will move a plane faster.....IF the plane is not too draggy. A low pitch prop will 'top out'...
Forum: Scratch and Kit Built Aircraft 10-31-2013, 07:12 PM
Replies: 20
Views: 664
Posted By flydiver
Once again...that's not a bad looking plane but...

Once again...that's not a bad looking plane but the prop clearance will not work with your proposed motor.
Change your motor or change your plans.... which is up to you.
As a general rule:
Low...
Forum: Scratch and Kit Built Aircraft 10-30-2013, 06:42 PM
Replies: 20
Views: 664
Posted By flydiver
Just so you know, you have a potential problem. ...

Just so you know, you have a potential problem.
[too big for my emax bl2215 1200KV motor]

That motor swings a large size prop for many pushers. You need to think about prop clearance if you...
Forum: Batteries & Chargers 10-29-2013, 10:06 PM
Replies: 5
Views: 302
Posted By flydiver
The AC-6 can use this kind of PS: ...

The AC-6 can use this kind of PS:
http://www.headsuphobby.com/120v-AC-to-12v-DC-5-Amp-Power-Supply-E-295.htm

Size M Coaxial DC Power Plug (2-Pack)...
Forum: General Electric Discussions 10-29-2013, 09:38 PM
Replies: 14
Views: 497
Posted By flydiver
CG is a basic. ANY kind of repair or mod that is...

CG is a basic. ANY kind of repair or mod that is not directly ON the CG can affect it so that always needs to be part of any intervention to the airframe.
Forum: General Electric Discussions 10-29-2013, 09:09 PM
Replies: 14
Views: 497
Posted By flydiver
Like much valuable info it gets buried in the...

Like much valuable info it gets buried in the chatter so has to be dug out again:

Ultimate HobbyZone SuperCub Help Thread (Part 4) (http://www.rcgroups.com/forums/showthread.php?t=1338787)

I'm...
Forum: General Electric Discussions 10-29-2013, 08:23 PM
Replies: 14
Views: 497
Posted By flydiver
You did the weights and math yourself. You aren't...

You did the weights and math yourself. You aren't crazy.
This is a common problem with MOST converted planes that are brushed and NiMH powered as the Cub originally was. The design has not been...
Forum: General Electric Discussions 10-29-2013, 05:03 PM
Replies: 14
Views: 497
Posted By flydiver
Pull-Pull is well and good but on this 'standard'...

Pull-Pull is well and good but on this 'standard' Cub mod the change from brushed gearbox to brushless removes significant nose weight unless you go with a BIG brushless. It's a well known problem,...
Forum: Beginners 10-28-2013, 01:21 AM
Replies: 19
Views: 1,588
Posted By flydiver
If it's going to be that much I suggest you look...

If it's going to be that much I suggest you look at the Easy Star. It's better foam and better built. Jeff at Heads Up will actually give you service. HK has a skewed and limited concept of customer...
Forum: General Electric Discussions 10-22-2013, 09:49 PM
Replies: 14
Views: 424
Posted By flydiver
A full 3S is 12.6v. 11.1v is 'nominal' voltage....

A full 3S is 12.6v. 11.1v is 'nominal' voltage. Me thinks you have a lot to learn about batteries. Go to this site:
Lipo basics...
Forum: General Electric Discussions 10-22-2013, 05:27 PM
Replies: 10
Views: 333
Posted By flydiver
You have 2 leads, small wire balance, and large...

You have 2 leads, small wire balance, and large wire power/discharge. Both leads need to be connected.

Charger should be in [BALANCE Mode], and set appropriate for your battery size and cell...
Forum: Beginners 10-20-2013, 06:27 PM
Replies: 42
Views: 1,162
Posted By flydiver
Flying is easy.....the electrics are hard.

Flying is easy.....the electrics are hard.
Forum: Foamies 09-22-2013, 07:24 PM
Replies: 6
Views: 334
Posted By flydiver
EVERY SINGLE THROW.....THINK, FOLLOW THROUGH,...

EVERY SINGLE THROW.....THINK, FOLLOW THROUGH, FOLLOW THROUGH.
Then you should be fine. But, that's ultimately up to you. There are plenty of 'don't do this' gory pictures in the Group.
Forum: Beginners 09-18-2013, 04:45 PM
Replies: 14
Views: 713
Posted By flydiver
At most skill levels the Champ can't fly in more...

At most skill levels the Champ can't fly in more than a slight breeze; very light, very little power. What's it going to battle wind energy with, determination?
Forum: Batteries & Chargers 09-02-2013, 06:15 AM
Replies: 164
Views: 4,961
Posted By flydiver
They are cheap, they are loud. I haven't used it...

They are cheap, they are loud. I haven't used it in a plane so I can't vouch for it as a flight voltage indicator. That would depend on the plane noise, the distance, and your ears.
The LED is red...
Forum: Batteries & Chargers 09-01-2013, 02:57 PM
Replies: 164
Views: 4,961
Posted By flydiver
That's going to be discharge limited also. ...

That's going to be discharge limited also.

Easiest I've found, various combos of tail light bulbs and this:
Battery Checker and Low Voltage Alarm...
Forum: General Electric Discussions 08-27-2013, 01:18 AM
Replies: 20
Views: 904
Posted By flydiver
If you buy some of those cheap knock-off props...

If you buy some of those cheap knock-off props you almost can't balance them.

I'm a fan of balancing. The higher the KV/RPM the more important it becomes. They should at LEAST be checked for...
Forum: General Electric Discussions 08-18-2013, 03:39 PM
Replies: 51
Views: 1,383
Posted By flydiver
Good for you! That's a headache gone, eh? ...

Good for you! That's a headache gone, eh?

Yes, people go lower. Then we hear from them that their batteries aren't holding up, puffing, or other issue and wondering why. The group gets that...
Forum: Batteries & Chargers 08-12-2013, 03:35 PM
Replies: 10
Views: 364
Posted By flydiver
Then I think it uses the same ESC/RX that was in...

Then I think it uses the same ESC/RX that was in the old Super Cub.
Check if it has a jumper setup like this and pull the appropriate jumper to reset LVC. ...
Forum: Batteries & Chargers 08-12-2013, 03:15 PM
Replies: 10
Views: 364
Posted By flydiver
Is it the older 27MHz TX?

Is it the older 27MHz TX?
Forum: General Electric Discussions 08-11-2013, 04:22 PM
Replies: 11
Views: 365
Posted By flydiver
What I've seen is most folks not only don't do a...

What I've seen is most folks not only don't do a routine range check but often not even more than a very cursory pre-flight. That can bite you sometimes.
I use pretty much the same criteria as Nigel.
Showing results 1 to 30 of 500

 
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