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Member postings for Ron Gray

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

Thread: Altitude announcements
16/10/2019 09:27:39

When you get the announcement the ‘plane is probably no longer at that altitude anyway! If it’s the announcement that annoys you you could always change the announcements (record your own) so that instead of playing the value it plays the track eg 100 feet. So the logic would be if the value is >100<200 play track “100 feet”.

Thread: SLEC Chipmunk build blog
15/10/2019 09:09:00

Good tip about the alloy rods, I have a metal supplier quite close to me so may well pop along and see what he has in his spares bin, always come out with odd bits and pieces that 'may' come in handy!

Thread: Kings Lynn Model Shop
15/10/2019 09:07:02

Nowt wrong with KLM, yes they are busy and yes they can be understaffed, and yes the shop does look a bit untidy but that's mainly down to having so much stock in place. There is a good cafe just round the corner from them, off they're busy pop along and have a cuppa then go back! Very helpful team there with a lot of good advice plus their prices aren't too bad either!

A short while ago I ordered some pint from them but hadn't heard back from them. After a few days I rang and they explained that they had made a mistake and that my order hadn't been dealt with. they promptly sorted it out found that some of their stock was 'wrong' so offered alternative solutions which suited me fine. Goods delivered the next day.

And no, I don't have any tie up with the guys other than being a customer.

Thread: Operator's registration number concession
15/10/2019 09:01:23

I wouldn't get too hung up over the finer points, just stick the details inside the 'plane and as suggested above, if the wing were to be removed it could be seen.

Thread: Ammo Box for Lipos ??
14/10/2019 18:52:28

Remove the rubber seals from the ammo box lid, that way you get plenty of ventilation without the need to drill holes. I lit some newspaper in the first one that I got to do a smoke test, works fine.

Thread: SLEC Chipmunk build blog
14/10/2019 17:55:28

Hi Tim, you're doing a grand job there!

Thread: Forum members' new models: Let's see them.
12/10/2019 13:25:36
Posted by Ron Gray on 04/10/2019 12:30:30:

Inspired by the SAB Tortuga which I saw flying at Weston earlier this year and as I couldn't justify the outlay for one of them beauties, I decided to make a cheaper version! By version I mean a delta type wing that has a fair turn of speed. I decided that the Multiplex FunJet would be the basis of this and set about modify one. The first incarnation used an EDF motor from a Dynam Meteor and this was fun until the motor literally burnt out in flight, due to a lack of cooling. I then fitted a HK 6s EDF unit to it which was far too heavy but none the less it managed to fly but met an untimely end when one of the eleven pushrod connectors came out in flight. The result was the motor ending up in the nose and crushing everything in its path, esc, 2 x 1300 6s batteries and the Rx! But it certainly shifted! Bitten by this speed bug and the determination to clock 200mph I have now built a new one, this time with a lighter 6s EDF motor for which I had to fabricate a new alloy engine mount plate. Bench testing has shown that, on 5s it produces 2000W drawing 40 amps so with an all up weight or 2lb 10oz it should have enough oomph but if not I can always put a 6s in it. Just have to wear ear defenders when running the motor!

c3a1bf29-339b-4033-aa6e-e1361035974d.jpeg

51707078-c736-4b8f-a2c6-178f36d3c44d.jpeg

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Well it flies and even on 5s it is rather fast, in fact there is no video of the maiden flight because the camera man couldn’t keep up with it. Going to put a GPS unit in it to see exactly how fast then to go 6s!

Thread: Latest CAA Update
12/10/2019 13:20:51
Posted by Allan Bennett on 12/10/2019 11:55:29

I don't believe that any insurance will cover you carrying out unlawful (or should that be 'illegal'?) activities.

As has been pointed out in this thread before, if you go over the speed limit in your car you are breaking the law, however, your insurance is not invalidated.

The BMFA have said that they will be looking into the insurance angle and will be getting advice. I will await the outcome of that rather than accepting your opinion (which you are entitled to!) as fact. 😉

11/10/2019 23:02:48

Sorry but where does it say that disobeying the law invalidates insurance. The BMFA were going to clarify that point, maybe I’ve missed it?

Thread: Glen's Models 35% Extra 330 electrification
06/10/2019 15:28:10

Don’t forget the polish, not only does it help the tube slide in and out it also stops your hands getting covered in the black stuff!

06/10/2019 09:41:37

I’ve had the same issue in a couple of models, it was a major effort to put the wings on, so I used wet n dry on the cf tube, with copious amounts of water (carbon dust kulou). Finally, once I got a good fit, I then polished the tube with furniture polish.

Thread: Forum members' new models: Let's see them.
04/10/2019 12:30:30

Inspired by the SAB Tortuga which I saw flying at Weston earlier this year and as I couldn't justify the outlay for one of them beauties, I decided to make a cheaper version! By version I mean a delta type wing that has a fair turn of speed. I decided that the Multiplex FunJet would be the basis of this and set about modify one. The first incarnation used an EDF motor from a Dynam Meteor and this was fun until the motor literally burnt out in flight, due to a lack of cooling. I then fitted a HK 6s EDF unit to it which was far too heavy but none the less it managed to fly but met an untimely end when one of the eleven pushrod connectors came out in flight. The result was the motor ending up in the nose and crushing everything in its path, esc, 2 x 1300 6s batteries and the Rx! But it certainly shifted! Bitten by this speed bug and the determination to clock 200mph I have now built a new one, this time with a lighter 6s EDF motor for which I had to fabricate a new alloy engine mount plate. Bench testing has shown that, on 5s it produces 2000W drawing 40 amps so with an all up weight or 2lb 10oz it should have enough oomph but if not I can always put a 6s in it. Just have to wear ear defenders when running the motor!

c3a1bf29-339b-4033-aa6e-e1361035974d.jpeg

51707078-c736-4b8f-a2c6-178f36d3c44d.jpeg

13f7b4eb-0963-48f8-b107-5383c4a64a97.jpeg

5a3bdc1d-9692-46fa-a2c9-2ea1062aef03.jpeg

Thread: Extra Hot Chilli
01/10/2019 09:09:04
Thread: 2019: Britain's new air disaster
24/09/2019 22:26:27
Posted by John Bisset on 24/09/2019 20:33:50:

Start with this –

Radio control model aircraft are generally inherently stable, hence they do not require computer control or intervention to make them operable. (Yes there are some that have computer augmentation systems, to allow easy learning, recovery from errors and advanced flight options. But they atre typically augmentations , not the primary means of control or of in flight stability)

Radio control model aircraft do require direct intervention by the operator/pilot to maintain their flight path. That intervention interval may vary depending on the level of inherent stability in the craft.

Trouble is, this is now changing as on board flight controllers (e.g Matek Fixed Wing) together with suitable software (e.g iNav) enable autonomous control of 'planes with no input from the operator other than maybe a hand launch!. So the boundaries are even more blurred!

Thread: Glenns models cap 232
23/09/2019 07:16:38

There is very little sideways force on the wings, in fact I once flew one of my 50cc aerobatic ‘planes for a whole day and only when packing up realised that I hadn’t put the holding bolts in!

Thread: Flite Test Pietenpol won't run straight...
18/09/2019 18:36:12

The rudder is your friend!

Thread: New tail wheel required
18/09/2019 18:34:43

Try here Hobby King, Rapid RC, Model Shop Leeds, Nexus, plus loads of others! All stock similar ones to that which you are showing.

 

Edited By Ron Gray on 18/09/2019 18:35:03

Thread: Club Mower.
18/09/2019 13:00:32

Great machine for cutting a path to that model lost in the long grass / 🌾

Thread: Forum members' new models: Let's see them.
13/09/2019 21:04:09

My new DLG from LD Models, 230g all up flying weight.

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Thread: West Wings Skylark
12/09/2019 09:15:49

That looks really good Tim, nice job! Let us know how she performs.

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