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Search: Posts Made By: JetPlaneFlyer
Forum: Hi-Performance and Sailplanes 07-25-2016, 08:24 PM
Replies: 11
Views: 193
Posted By JetPlaneFlyer
That's a really nice looking model you have...

That's a really nice looking model you have there. The Horten designs are sooo graceful, she will look great in the air I'm sure.

I've no experience of dolly launching anything that big but on the...
Forum: Warbird Electrics 07-23-2016, 09:54 AM
Replies: 4
Views: 192
Posted By JetPlaneFlyer
Very nice looking plane... So did you figure out...

Very nice looking plane... So did you figure out what the cause of the first crash/loss of control was?

Sadly this plane is a non starter for me. I know for sure that the long retractable landing...
Forum: Electric Ducted Fan Jets 07-13-2016, 06:07 AM
Replies: 16
Views: 259
Posted By JetPlaneFlyer
The usual advice and what's worked for me for...

The usual advice and what's worked for me for years is to fly the battery down to around 3.7V per cell measured a few minutes after landing and removing the battery from the plane

If you set an...
Forum: General Electric Discussions 07-06-2016, 07:11 PM
Replies: 5
Views: 200
Posted By JetPlaneFlyer
The usual test for right thrust.. Pull up into a...

The usual test for right thrust.. Pull up into a vertical climb at full power.

If it drifts left add more right thrust
If it drifts right remove some right thrust


Downthrust (First you...
Forum: General Electric Discussions 07-01-2016, 05:09 PM
Replies: 5
Views: 270
Posted By JetPlaneFlyer
Dont worry about how many cells it shows, it...

Dont worry about how many cells it shows, it doesnt affect anything.
Forum: General Electric Discussions 07-01-2016, 10:52 AM
Replies: 5
Views: 270
Posted By JetPlaneFlyer
The telemetry has the capability of activating...

The telemetry has the capability of activating and alarm if the battery voltage is either too low or too high. There really isnt much use for a high voltage alarm so by default it's inhibited (Inh)....
Forum: General Electric Discussions 06-23-2016, 06:41 AM
Replies: 11
Views: 334
Posted By JetPlaneFlyer
Yeah, I'd build it in too. The usual way is a...

Yeah, I'd build it in too. The usual way is a tapered strip placed under the trailing edge during build of the wing.
Forum: General Electric Discussions 06-15-2016, 12:18 PM
Replies: 6
Views: 248
Posted By JetPlaneFlyer
This is a very good question, I've never come...

This is a very good question, I've never come across any site that really explains all the terms you find in ESC programming.

fhhuber covers most of the important ones but there are a few others...
Forum: Beginners 06-06-2016, 11:08 AM
Replies: 11
Views: 423
Posted By JetPlaneFlyer
ESC's are designed so that if they receive no...

ESC's are designed so that if they receive no signal from the Rx they fail-safe to the off position.

Working on this principal some ESC's do actually have a switch which cuts off the signal side...
Forum: Delta & Flying Wings 06-04-2016, 03:06 PM
Replies: 42
Views: 1,538
Posted By JetPlaneFlyer
FWIW, I quickly knocked up this airfoil.. lets...

FWIW, I quickly knocked up this airfoil.. lets call it JPF-01:D

http://i3.photobucket.com/albums/y65/Rapier_HP/ScreenHunter_20%20Jun.%2004%2015.05.jpg

I checked out it's characteristics in...
Forum: RC Radios, Transmitters, Receivers, Servos, gyros 05-27-2016, 03:08 PM
Replies: 40
Views: 766
Posted By JetPlaneFlyer
Yep, I'm sure we have all bumped a throttle stick...

Yep, I'm sure we have all bumped a throttle stick once or twice. The simple protection is to set the throttle stick to (say)25% open when you plug in the plane's battery. The ESC will then fail to...
Forum: General Electric Discussions 05-21-2016, 02:45 PM
Replies: 41
Views: 812
Posted By JetPlaneFlyer
Nutball, This link was posted previously but...

Nutball,

This link was posted previously but I dont think you have read it because it is pretty clear that what you are doing is potentially dangerous for your ESC.. sure you might have 'got away...
Forum: Batteries & Chargers 05-17-2016, 02:16 PM
Replies: 24
Views: 693
Posted By JetPlaneFlyer
Sound like a good plan. You could connect up your...

Sound like a good plan. You could connect up your two 3s 5000mAh in parallel to make 10,000mAh which you should be able to get four charges (maybe even five) of your 3s 1800-2200mAh batteries or two...
Forum: Batteries & Chargers 05-16-2016, 10:32 PM
Replies: 24
Views: 693
Posted By JetPlaneFlyer
It's pretty straightforward Nigel. I have a few...

It's pretty straightforward Nigel. I have a few 6s 3000mAh packs that while still good enough to fly models reasonably well are getting a bit tired, so I prefer to fly with newer ones, so i can use...
Forum: Batteries & Chargers 05-16-2016, 11:27 AM
Replies: 24
Views: 693
Posted By JetPlaneFlyer
All good reasons to perhaps simply buy a few...

All good reasons to perhaps simply buy a few extra LiPos and don't worry about field charging.

It's certainly a cheaper option long term than using you car engine as a generator, gas price...
Forum: Beginners 05-13-2016, 06:27 PM
Replies: 27
Views: 1,141
Posted By JetPlaneFlyer
Another example of the helpful and friendly input...

Another example of the helpful and friendly input we have come to expect from you:rolleyes:
Forum: Beginners - Helis 05-03-2016, 12:17 PM
Replies: 4
Views: 19,337
Posted By JetPlaneFlyer
Actually that (rather old!) explanation was not...

Actually that (rather old!) explanation was not 100% accurate.

Governor mode wont prevent the rotors from overspeeding in a rapid descent with negative pitch applied. In that case the rotor...
Forum: Batteries & Chargers 05-01-2016, 02:16 PM
Replies: 28
Views: 966
Posted By JetPlaneFlyer
For charging large 6s batteries you really need a...

For charging large 6s batteries you really need a pretty powerful charger. Any 50W per channel charger (like the X4AC) while fine for small batteries will make it extremely slow work for the 6s...
Forum: Electric Ducted Fan Jets 04-09-2016, 09:18 AM
Replies: 78
Views: 2,552
Posted By JetPlaneFlyer
It probably means that one of the balance wires...

It probably means that one of the balance wires is broken (or you are getting a bad connection on the balance plug) so that the cumulative voltage measured on the balance plug is less than on the...
Forum: Electric Ducted Fan Jets 04-02-2016, 08:45 AM
Replies: 78
Views: 2,552
Posted By JetPlaneFlyer
Yes, the battery university page in question is...

Yes, the battery university page in question is specifically dealing with lithium-ion batteries which ARE the type we use in RC models. The 'polymer' bit just refers to the pouch our cells are sealed...
Forum: Electric Ducted Fan Jets 03-28-2016, 11:59 AM
Replies: 78
Views: 2,552
Posted By JetPlaneFlyer
I've had several batteries in storage at the...

I've had several batteries in storage at the correct voltage and in the fridge for a couple of yes and so far when I've re-used them they perform fine.
But for sure they wont last forever. There...
Forum: Batteries & Chargers 02-24-2016, 10:41 PM
Replies: 21
Views: 853
Posted By JetPlaneFlyer
like birdog said, 30W isn't going to be adequate...

like birdog said, 30W isn't going to be adequate for a 6s lipo, in fact it's marginal for many 2s lipos!

If you want to charge 6s batteries at reasonable rates you are going to have to step up the...
Forum: Foamies 02-19-2016, 07:28 AM
Replies: 23
Views: 1,071
Posted By JetPlaneFlyer
Sound like the wing or tail probably had a slight...

Sound like the wing or tail probably had a slight twist in. This should be reasonably easy to see and is easy to fix. You just twist the problem surface in the opposite direction while applying some...
Forum: Foamies 02-12-2016, 04:31 PM
Replies: 23
Views: 1,071
Posted By JetPlaneFlyer
On the other hand micros do tend to zip around...

On the other hand micros do tend to zip around and due to their small size they appear to fly very fast. The flying characteristics will be very different to the powered sailplanes you are used to.
...
Forum: RC Radios, Transmitters, Receivers, Servos, gyros 02-09-2016, 06:24 PM
Replies: 20
Views: 868
Posted By JetPlaneFlyer
Be careful because expo works in oppoosite ways...

Be careful because expo works in oppoosite ways on Futaba vs other brands. On Futaba a minus figure is what you would usually use, as suggested above (a futaba user I'd guess?). On other brands you...
Forum: RC Radios, Transmitters, Receivers, Servos, gyros 01-29-2016, 07:04 AM
Replies: 2
Views: 480
Posted By JetPlaneFlyer
As an aside, and if anyone from Europe might be...

As an aside, and if anyone from Europe might be reading, DSM2 support has now been dropped completely from all Spektrum transmitters sold in Europe since the start of 2015. So in Europe there is no...
Forum: General Electric Discussions 01-23-2016, 11:19 PM
Replies: 37
Views: 1,333
Posted By JetPlaneFlyer
Dihedral (as in the 'V' angle of the wings) has...

Dihedral (as in the 'V' angle of the wings) has nothing to do with vertical CG and also nothing to do with the 'efficiency' of the wing being increased because it becomes closer to horizontal.
It's...
Forum: Beginners 01-15-2016, 07:27 AM
Replies: 13
Views: 502
Posted By JetPlaneFlyer
Great Planes had a quite good one:...

Great Planes had a quite good one: http://www.greatplanes.com/glossary.html

Tower hobbies have another: http://www.towerhobbies.co.uk/intros/introdictionary.html

Between the two you should find...
Forum: Batteries & Chargers 01-10-2016, 10:00 PM
Replies: 25
Views: 1,281
Posted By JetPlaneFlyer
You can say that about most activities..For...

You can say that about most activities..For instance crossing a road has many very bad outcomes and only one good one. But that doesn't stop us crossing the road does it? It just means we recognise...
Forum: Batteries & Chargers 01-02-2016, 01:50 PM
Replies: 28
Views: 1,487
Posted By JetPlaneFlyer
Regarding storage and discharge. As Nigel...

Regarding storage and discharge.

As Nigel says, 'discharge' fully discharges the battery all the way down to it's lowest safe voltage, typically around 3.5V per cell. You would normally only use...
Showing results 1 to 30 of 500

 
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