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Search: Posts Made By: JetPlaneFlyer
Forum: General Electric Discussions Today, 05:54 AM
Replies: 15
Views: 169
Posted By JetPlaneFlyer
Actually contrary to previous comment, it's very...

Actually contrary to previous comment, it's very important to have cells balanced because if they are not an individual cell may become over charged or over-discharged. There may be some variation...
Forum: General Electric Discussions Yesterday, 05:53 AM
Replies: 15
Views: 169
Posted By JetPlaneFlyer
Opinions always vary depending on how risk averse...

Opinions always vary depending on how risk averse the individual. Personally if the swelling is very slight and the battery is performing well IMHO it's generally ok to use with caution, but make no...
Forum: Delta & Flying Wings Yesterday, 05:39 AM
Replies: 18
Views: 194
Posted By JetPlaneFlyer
Yep, CG too far back. Also possibly lack of...

Yep, CG too far back. Also possibly lack of directional stability due to having no vertical stabilisers. Moving the CG forward will help with directional stability too but if problems remain try...
Forum: General Electric Discussions 07-21-2014, 06:01 PM
Replies: 13
Views: 216
Posted By JetPlaneFlyer
FWIW Over the years I've picked up a a number of...

FWIW Over the years I've picked up a a number of second hand models with LiPos included. In a few cases these LiPos had been left fully charged for 6 months or more by the original owner (one guy...
Forum: Batteries & Chargers 07-21-2014, 05:18 PM
Replies: 15
Views: 242
Posted By JetPlaneFlyer
We all have our views but on this I don't agree....

We all have our views but on this I don't agree. Personally I don't care what c number written on the wrapper. It's what I pay and how it performs (and how it lasts) that are all I care about.

If...
Forum: General Electric Discussions 07-21-2014, 02:18 PM
Replies: 13
Views: 216
Posted By JetPlaneFlyer
+3.. just try to minimise the time they are fully...

+3.. just try to minimise the time they are fully charged as far as practical.
Forum: General Electric Discussions 07-21-2014, 07:56 AM
Replies: 6
Views: 127
Posted By JetPlaneFlyer
Could the gains be turned down?

Could the gains be turned down?
Forum: Batteries & Chargers 07-21-2014, 07:53 AM
Replies: 15
Views: 242
Posted By JetPlaneFlyer
I'm not sure how old and what c rating your Nanos...

I'm not sure how old and what c rating your Nanos were? I've had poor results from older 25c Nanos, they performed poorly from new and went down hill quickly. On the other hand I've recently picked...
Forum: Batteries & Chargers 07-20-2014, 09:17 AM
Replies: 26
Views: 667
Posted By JetPlaneFlyer
Wouldn't have been my personal choice, but I'm...

Wouldn't have been my personal choice, but I'm sure it will get the job done for you. My main gripe (other than the unnecessary stereo speakers making it huge) is that the balancing drain current is...
Forum: Beginners 07-20-2014, 08:51 AM
Replies: 10
Views: 155
Posted By JetPlaneFlyer
Actually the 2/3 rule is even worse when applied...

Actually the 2/3 rule is even worse when applied to small setups.

Take the example i added as an edit to my last post:

1000mAh battery, 30A motor - 2/3rd 'rule' says 20c battery.

In reality...
Forum: Beginners 07-20-2014, 08:31 AM
Replies: 10
Views: 155
Posted By JetPlaneFlyer
Nigen, Relating c rate directly to amp draw...

Nigen,

Relating c rate directly to amp draw makes no logical sense (i.e. 2/3 or motor amp rating). For planes that use large motors and capacity batteries this would force you into impossibly high...
Forum: Beginners - Helis 07-19-2014, 11:31 PM
Replies: 6
Views: 139
Posted By JetPlaneFlyer
I find the bigger helis (500 and up) far easier...

I find the bigger helis (500 and up) far easier to fly than the smaller (450 and less) types. Big ones just give you a lot more time to react. Take it very slowly and you should be ok.
If you can...
Forum: Beginners 07-19-2014, 07:02 PM
Replies: 10
Views: 155
Posted By JetPlaneFlyer
Yes that should be fine. Bear in mind that just...

Yes that should be fine. Bear in mind that just because the motor is rated at 40A doesn't mean it will actually draw that many amps, and even if it did in static testing the motor will unload in...
Forum: General RC E-Heli Talk 07-19-2014, 08:47 AM
Replies: 30
Views: 269
Posted By JetPlaneFlyer
yes, that's the usual way, the tail boom just...

yes, that's the usual way, the tail boom just slides back and forth to adjust tension. I've only got one belt drive heli but I've found it to be pretty much maintenance free so far, i give it a...
Forum: Video Parking lot 07-19-2014, 12:22 AM
Replies: 10
Views: 146
Posted By JetPlaneFlyer
It's a different kettle of fish with the likes of...

It's a different kettle of fish with the likes of the Olympus. It's far harder to do a engine conversion with an advanced turbojet like the Olympus (which was beyond any other technology of it's day)...
Forum: Video Parking lot 07-18-2014, 05:53 PM
Replies: 10
Views: 146
Posted By JetPlaneFlyer
Yeah, it's a shame that no one can refurbish...

Yeah, it's a shame that no one can refurbish those old Olympus turbines. You would have thought that there would be engines with plenty of hours left in them in some of the other decommissioned...
Forum: General RC E-Heli Talk 07-18-2014, 05:17 PM
Replies: 30
Views: 269
Posted By JetPlaneFlyer
You do need to measure pitch, guessing is no good...

You do need to measure pitch, guessing is no good at all. Helis are all about setup, get that wrong and they will be a handful regardless of how good you are at flying.

Personally I never used...
Forum: General RC E-Heli Talk 07-18-2014, 08:27 AM
Replies: 30
Views: 269
Posted By JetPlaneFlyer
That actually sounds like a lot of damage, it...

That actually sounds like a lot of damage, it must have hit pretty hard.

I keep an open mind on HK products, some are junk, many are perfectly ok. Often when you buy elswhere you are getting the...
Forum: General RC E-Heli Talk 07-18-2014, 08:04 AM
Replies: 30
Views: 269
Posted By JetPlaneFlyer
Yeah, those pesky thumbs with a mind of their own...

Yeah, those pesky thumbs with a mind of their own are a real problem when flying helis;)

Like i said when you were looking at buying options, with a 450's dont give you a lot of thinking time,...
Forum: Beginners 07-17-2014, 05:46 AM
Replies: 4
Views: 142
Posted By JetPlaneFlyer
You can straighten bent and crushed foam very...

You can straighten bent and crushed foam very easily by pouring hot water over it or applying a towel soaked in hot water. The water should be almost boiling.
Forum: General Electric Discussions 07-17-2014, 05:43 AM
Replies: 12
Views: 231
Posted By JetPlaneFlyer
My 700 Size heli sneaks a little over 6000W in...

My 700 Size heli sneaks a little over 6000W in bursts.

Set up:

Heli: Compass 7HV U
Motor: Compass SZ4926 510Kv
ESC Castle Edge 120HV
Batteries: 12s 5000mAh

It would give more power if i...
Forum: General Electric Discussions 07-15-2014, 01:01 PM
Replies: 12
Views: 227
Posted By JetPlaneFlyer
Yep, that's my bet too. It's a common issue with...

Yep, that's my bet too. It's a common issue with Futaba and e-power where throttle needs to be reversed to operate normaly (why do Futaba still do that?)

Just re-bind with the throttle in the...
Forum: Scratch and Kit Built Aircraft 07-15-2014, 12:46 PM
Replies: 26
Views: 390
Posted By JetPlaneFlyer
Nigel, Working from hand drawn plans JPG...

Nigel,

Working from hand drawn plans JPG importers dont work to the standard required to produce files for a laser cutter. i've tried several, trust me. This includes big bucks professional...
Forum: Scratch and Kit Built Aircraft 07-15-2014, 10:34 AM
Replies: 26
Views: 390
Posted By JetPlaneFlyer
As you have posted your dilema I'm assuming you...

As you have posted your dilema I'm assuming you are looking for opinions...

My personal opinion is if you are doing this mainly for your own use you would be much better off just cutting your...
Forum: Off Topic Chit Chat 07-14-2014, 07:45 PM
Replies: 18
Views: 307
Posted By JetPlaneFlyer
So the good news is the Sciatica is just about...

So the good news is the Sciatica is just about gone. I'm back cycling to work (first time on the bike today since it struck and i felt fine) and can lug my models down to the field with barely a...
Forum: Off Topic Chit Chat 07-14-2014, 07:13 PM
Replies: 55
Views: 1,494
Posted By JetPlaneFlyer
That's totally ridiculous. I'm struggling to see...

That's totally ridiculous. I'm struggling to see any infringement in any of the 25 posts?
Forum: Batteries & Chargers 07-14-2014, 09:42 AM
Replies: 8
Views: 191
Posted By JetPlaneFlyer
Yes, based on 1c charge rate, but virtally all...

Yes, based on 1c charge rate, but virtally all LiPos these days are fully rated for 2c or higher charging (half hour from fully depleted). Obviously to exploit these higher rates often needs a more...
Forum: Batteries & Chargers 07-14-2014, 05:53 AM
Replies: 8
Views: 191
Posted By JetPlaneFlyer
As for what battery is the biggest that can...

As for what battery is the biggest that can physically be wedged in, you might be best asking over on the big QR350 thread over on RC groups where you should find people who have tried it:...
Forum: Beginners 07-13-2014, 01:52 PM
Replies: 11
Views: 211
Posted By JetPlaneFlyer
Do you mean exponential ? If so it's...

Do you mean exponential ?

If so it's generally used to make the control response 'softer' around the centre position so the plane doesn't feel so twitchy, yet still have full control throw...
Forum: Beginners - Helis 07-13-2014, 08:47 AM
Replies: 5
Views: 161
Posted By JetPlaneFlyer
That's not really a 'proper' flip though as a...

That's not really a 'proper' flip though as a flip is supposed to rotate on the spot. To do a flip properly you have to vary cyclic as the heli rotates. When upright you have positive cyclic, when...
Showing results 1 to 30 of 500

 
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