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Member postings for Kevin Wilson

Here is a list of all the postings Kevin Wilson has made in our forums. Click on a thread name to jump to the thread.

Thread: Ebay sellers...
05/12/2016 08:01:14

Perhaps he thinks there are more affluent collectors in Germany that would be willing to pay a premium for a rare item.

Interesting postscript to his other items. There are sufficient caveats and references to regulations that would put me off dealing with this chap. Not a lot of trust going on there. Perhaps he has got stung before.

Thread: Fly tipping
18/11/2016 07:46:00

I seems from the flow of this thread that you are stuck Cuban.

Almost all waste sites are outsourced so have severe restrictions or penalties on legitimately disposing of waste even for the housholder. It is unlikely that you will get the council to cange their policy that causes flytipping.

Therefore it looks like your only option is to have a secure bounday fence to push (as far as possible) the flytipping onto the public highway, where the council are forced to take responsibility.

I dont agree with that as an option but it does seem the only way.

Thread: indoor flying
03/10/2016 19:41:42
The eflight AS3extra gets good comments at my indoor hall, but you need good thumbs as they are quite delicate
Otherwise the UMX T28 Trojan is a perennial favourite.
These work well in a full basketball court.
Thread: What glue for Carbon Spars in foam (EPS?) wing
05/08/2016 10:17:23
I have used UHU POR, polyurethane (gorilla) and epoxy for carbon spars.
All worked but the Gorilla was easy and fairly clean. I glued the slot, dropped the spar in, scrapped off the excess and topped it with a line of masking tape to stop the glue foaming everywhere.
Epoxy always feels a bit heavy, but probably just my perception as I haven't weighed any of them.
Thread: Making Tools for building models.
04/08/2016 22:11:53
Thanks Mark that's a neat way of doing it.
I like your depth stop idea, especially the ply backbone.
Percy could even use that idea on his permagrit tool.
Thread: Posh Fret Saw
04/08/2016 14:52:22
Piercing saw and a handful of different tpi blades for me.
I find the big bow of a fretsaw unwieldy and unnecessary.
And coping saws have too big a kerf.
Having said that, I have and use all 3, but the piercing saw is what stays on my bench.
Thread: Turning without loss of altitude
01/08/2016 22:11:45
Also don't forget that as soon as you are rolled over the rudder is pushing the nose down.
Something that I quickly learnt in the flat turn world of indoor flying.
Try turning on aileron and not worry too much about the bank. After all the full size do not flat turn and they go up quite nicely.
I was told the secret with gliding was do everything gently. Each deflection of control surface costs altitude.

Edited By Kevin Wilson on 01/08/2016 22:13:01

01/08/2016 21:45:13
Bruce a flat turn is initiated with rudder and the roll countered by opposite aileron.
But I recently had a few flights in a full size glider and the pilot turned on aileron and elevator. He only used rudder to keep the glider clean ie pointing the right way. I commented on the angle of bank and he was not perturbed, stating there was still plenty of wing and lift. I couldn't disagree as he was making a fair ascent.
I was surprised just how much he yanked it round.
We need some glider experts to help us out here.
I enjoy my P2k enormously.
Thread: Exchange rate - impact on prices of modelling gear
22/07/2016 21:54:53
I expect the exchange rate will 'blip' the other way once the financial guys have milked this move. After all its not as if anything has actually happened yet and they only make money when the rates are moving
Thread: Wings 'n' Wheels
25/06/2016 21:09:30
"I see that DB is commentating again"
That reminds me, I must take my ear plugs.
Thread: Wire to extend motor leads
10/06/2016 12:39:11

Or just buy silicon wire to the rating of your intended current draw.

I know that will be a bit over being a three phase motor, but here will be a bit of volt drop and extra copper never hurts in that regard.

Thread: Can Doo it
06/06/2016 07:31:44

Sorry for the tardy response Stephen. I could not identify the subject of your photo.
However I am glad you have sorted the problem.

Regarding your motor overspeed and temeperature problem, could this be the timing set in the esc?
whatever you, you have found a solution and I will be interested to see what result you get from your twin motor setup. It should move along nicely

 

Edited By Kevin Wilson on 06/06/2016 07:40:05

03/06/2016 07:26:50

Stephen, have you tried an opto isolator on one or both of the ESC signal leads?
These should stop any interaction between the two.


Also I can see a possible interaction if the motor leads to the 2 motors are not kept seperate. Although in your model this should not be likely.

Thread: Spiral diving
01/06/2016 08:12:51

And a thank you from me.

The above has explained the demise of my much abused EasyStar.

An unrecoverable spin. (I would have said spiral dive as it wasnt very flat). With full opposite rudder and full up.
This has puzzled me for ages as I had never felt that out of control before, well not without knowing it was my dumb thumbs

Thread: Model plane identity required.
01/06/2016 07:56:17
Posted by Andy G. on 31/05/2016 17:50:37:

.. I would guess it's the same with the council tip, you turn up, dump it and it instantly becomes the property of the council ( or site operator) who can then do what he sees fit with it..

Funny, but from my experience it appears anything deposited at my local tip instantly becomes the property of the 'workers', but ONLY if it is worth anything. Otherwise you can unload your own rubbish.

I dont live a million miles from Mike, so I expect the £2 he paid for his dumped pushbikes went back to the local council (the new beneficial owners).... but then again, perhaps NOT!

Thread: LMA v BMFA insurance
25/05/2016 07:35:32

I find it interesting how many references in this thread to minority interests.

Aeromodeling as a hobby is a minority interest. And is made up of lots of even more minority interests.

Is it just the perception of 'what doesn't interest me is a minority interest'.

I dont fly FPV, Slope, Turbines, IC, Freeflight, DS, Rotorcraft, CL, >20kg etc which one is the minority interest?

Ultimately as a group of like minded minority interests we must pull together to present (at least outwardly) a cohesive whole.

I'm Ready, Aim, FIRE!

Thread: Plane (apparently not) hit by drone at Heathrow.
10/05/2016 07:56:27

Yes, kite flying isn't bamboo and brown paper anymore.

I went to the Margate Kite festival a few years back and watched a guy flying three 2-line kites one in each hand and one on his hips.

It wasn't so much the remarkable skill of controlling each kite, which initself was pretty impressive, it was more the mental agility of flying three independant but cordinated routines.

Thread: JST plug current capacity
07/05/2016 19:12:43
I don't think I would try putting 10A through a JST.
My gut feel is they would be okay for 3-4A
You could try it and feel how hot they get.
Thread: Lengthening Wires
04/05/2016 13:25:40

To my understanding the ESC relies on the (low) impedance of the battery to clamp voltage spikes generated by rapidly switching the FETs.

Lengthening the cable between battery and ESC increases the effective circuit impedance allowing larger voltages spikes to appear across the electronics in the ESC. I can only surmise the back emf generated in the motors is not such a problem.

The common advice is therefore to extend motor connections by preference, alternatively to add additional smoothing capacitors or oversized battery conductors.

In power engineering we see similar problems on sensitive equipment where the earth path is more than adequate for circuit disconnection times but has to be massively over coppered to reduce the earth impedance to clamp mains born interference.

Thread: Returning after 25 years
29/04/2016 07:54:39

I have this info on my facebook page so I have it to hand, but I will see if I can find the link. They do bury the info quite well.

land known as Roundshaw playing field
Monday, Wednesday, Friday 9am to 1pm
Tuesday 9am to 7pm (or sunset, whichever is earlier)
1st and 3rd Saturday & Sunday 9am to 1pm

Any other Saturday, Sunday, Bank Holiday or Christmas Day No Flying

IC to have a silencer acheiving 82dB (A) at 7metres, unless it is not po

Please ignore my reference to Beddington park; the bylaws state that is for control line only.

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