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Member postings for Roger Dyke

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

Thread: Understanding the numbers....
09/06/2019 13:39:03

Don: I would do that but haven't got one. Only just recently received this one from the Honk Kong supplier (not available locally or from Europe).

Edited By Roger Dyke on 09/06/2019 13:39:34

09/06/2019 12:09:34

Denis: Thanks for your reply. I have also had two successful flights with this set up to my visual limits. I just can't see any evidence or improvement to say that the satellite has been added.

09/06/2019 10:53:45

Hi All,

Just a query for all you knowledgeable sorts that are in the know. The telemetry returns on my DX6 v3 are:-

A, B, L, R, F, and H

My Orange R620X receiver returns numbers in A, B, F, and H (although I never see holds so is 0). I also never see anything other than '0' in the L and R locations either.

I have recently added an R110XL satellite receiver to the system and followed up with a re-bind. My observation on the telemetry returns is that the that the numbers returned are about the same as they were before fitting the satellite, even with the satellite antennas in an ideal place and quite a distance from the main receiver antennas. Also, there are still '0's' in the L and R locations. In operation there is a solid light on in both the receiver and the satellite.

How do I know that the satellite is actually doing anything?

05/06/2019 13:04:58

Nigel: It is my intention to change over the receiver first. Unfortunately, I won't be visiting the flying field for another week so will be a little time before I see the results (not holding my breath though).

05/06/2019 09:19:56

Steve: I understand all your three points which are all valid and I can't argue with. My puzzle is that I have three aircraft, all fitted with the same equipment and one's telemetry figures are totally different to the other two. There must be a reason for that somewhere. I'm just trying to find out where.

04/06/2019 23:12:55

Denis: I fully understand that during the take-off, flight, and landing, there will always be the occasional blind spots shielding the signal. What I am concerned about is how dramatically different the signal strength is between this model and two others I have with exactly the same equipment. Especially as the aircraft in question has much better places within it to position the antennas. It also now has an extra satellite receiver fitted. The expected frame losses for a 10 minute flight are supposed to be about 20 or less which is what I achieve with my other models. With this one I'm getting 286. That's terrible.

brokenenglish: Unless you run a system that has telemetry, you wouldn't be aware of the transmission quality, as you wouldn't see the numbers transmitted back from the receiver. I agree with you. All my models fly with no problem too if I just carry out a range check and ignore the telemetry. I too have never had a single glitch or problem whilst flying. The telemetry just tells me how poor the radio link is to this particular plane and gives me the opportunity of improving it.

04/06/2019 19:50:10

Don: I hear what you say and will always bow to the more knowledgeable than I, but wouldn't think it was the engine that was causing the problem. The engine is about 10" from the first two receiver antennas and 20" from the satellite antennas. That's quite a distance. They are also in an un-cluttered area. The antennas in my other IC planes are much, much closer and I don't have any problem with those at all. For starters I'm not going to move the antennas again as I believe they're probably fine. I'm going to change the receiver and then take it one stage at a time. I fly all my planes roughly the same circuits and distances and three out of four of them are fine, so it looks like I have something to find. I will get there...….. Eventually......

04/06/2019 16:32:58

Don: It's quite a wide fuselage and quite a long space. The model is an old Dave Smith Super Dalotel with a 68" wingspan and a SC61 2 stroke engine. I am not pushed for room (as I was with the other models with the same receiver). All the four antennas are between 3" and 8" apart and are not close to any large or metal objects. They look like they are ideally placed.

04/06/2019 15:47:56

Hi Denis,

You may well be right. Why I am a bit puzzled is that the other two aircraft fitted with the same receivers show far better results (even without the added satellite receiver).

Mind you, I didn't fly them on the same day as this one.

04/06/2019 15:07:49

Something Odd

I have 4 model aircraft. One with a Spektrum AR6600T receiver plus Remote, and three with Orange R620X receivers. All receivers are new.

Two of the three aircraft fitted with R620X receivers are fine returning around from the telemetry 10 - 25 frame losses after about 8 minute flights.

The third aircraft fitted with an R620X is giving me problems. It range checks fine with all the control surfaces moving smoothly. However, the first time I flew it after installing a new receiver a few weeks ago I noticed that the telemetry returns were quite high giving A - 1200, B - 150, F - 120, H - 0. After repositioning the antennas to what I thought were good locations I flew it again. The figures were more or less the same. The aircraft had showed no sign of any glitches. Following repositioning the antennas once more, I also purchased the R110XL satellite receiver which I added to the aircraft and carefully positioned it's antennas quite a distance from any objects or metalwork. I now have 4 antennas all spaced out and pointing in different directions. I then re-bound it all and flew the model again. I had two impeccable flights from the aircraft with no sign of any glitches at all and was quite pleased. Until I looked at the telemetry data. See below.

1st flight

A - 1326, B - 158, F - 286, H - 0, L - 0, R - 0

2nd flight

The numbers were more or less about the same but included 2 Holds.

What do you reckon? Bad receiver perhaps? I do have a spare one. Worth a try?

02/06/2019 22:02:29

Steve and Dennis,

Thanks for your replies. From what I understand from your replies is that an allowance is made for an extra satellite receiver. I suppose that makes sense.

02/06/2019 21:16:10

Does anyone know what the 'L' and 'R' is for on the telemetry listing?

On my models there is always a zero in both.

Thread: DX6 Voice Alert?
18/05/2019 11:12:12

Thanks John.

So that's what it is. I couldn't find any explanation for it in the manual.

Thanks once again.

Roger

17/05/2019 18:06:57

Just another one before I go....

What is a model memory timer and what is it for?

17/05/2019 14:35:06

John: Ahhh...... Now sorted. Thank you so much for your help. I'd been going around in circles.

17/05/2019 08:47:20

Hi All,

Having recently purchased a Spektrum DX6 TX, I have more or less got to grips with most of it's functions. However I am in a bit of a puzzle in assigning a voice alert to the throttle-cut switch which I have assigned to switch 'A'.

Could any of you more knowledgeable types explain how to do this please?

Many thanks.

Roger

Thread: Understanding the numbers....
08/05/2019 07:59:00

Don: You may be right about shadowing, depending on what type of circuits flown, left or right. I'm reasonably happy with the result though.

07/05/2019 14:26:45

Update for the Spektrum AR6600T receiver plus remote.

Visited the flying field today to check out the telemetry numbers after fitting the remote receiver. After two flights, the numbers were as follows:-

1st flight (5 mins): A - 279, B - 29, Frames - 2, Holds - 0

2nd flight (8 mins): A - 402, B - 91, Frames - 18, Holds - 0

On the 2nd flight I flew to the extremes of my vision for distance and height.

The figures look okay to me.

29/04/2019 21:27:18

Don: I know what you are saying and I'm not adverse to gaining access to different places in the model if I need to. I would just like to explore the options first. I have now fitted the remote receiver in what I think is a favoured place and I will be interested to see the results next time I visit the flying field.

29/04/2019 20:45:38

Steve and Don: In aircraft 2 with the Spektrum receiver I did not have the remote receiver fitted as I didn't have much room and it appeared to work okay. I had just finished the model and completed it's covering so didn't really want to start hacking it about. Since returning home and posting the above figures I have managed to find a place to fit the remote receiver. Just by a way of getting some comparison I placed the model 28 paces down my garden and operated the TX on reduced power for a few minutes from the kitchen table. Below are the before and after figures when fitting the remote receiver.

Before: A - 1115, B ------, Frames - 1115, Holds - 0, -46dBm, 100%R

After: A - 1334, B - 151, Frames - 141, Holds - 0, -46dBm, 100%R

I think that the figures are probably now more in keeping with the figures I obtained from Aircraft 1.

Roger

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