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Member postings for Martin McIntosh

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

Thread: TN Hunter EDF
24/01/2020 19:53:12

Just mailed TN to see if he can shed any wisdom on this debate.

24/01/2020 14:05:45

It must be on his own models for a reason which may be to improve the sound. Full size Hunters are certainly not supersonic.

A clubmate had a HK Vampire and needed to change the thrust angle so incorporated a Coke can. This had the side effect of making it sound like a turbine.

23/01/2020 18:24:49

Having examined and seen Tony`s Concorde fly, those pieces were fitted. Cannot speak for the other mini jets since I did not look that closely. A thrust test with and without the flap should prove the point when I get that far.

How did you get on with the cg position?

23/01/2020 17:10:00

Its the flap directing air to the fan via the cheat hole. Quite clear on the build photos.

Thread: FrSky Major Update for most TX and RX
21/01/2020 10:17:09

Mine was reprogrammed by the local guru. Probably so that it would function with any later Rx`s I may have bought rather than D or X. That was quite some time ago so do not really remember.

DSM 2 grabs and hogs a couple of frequencies which is why the EU dislikes it.

Mine are JR. I would agree that the Spektrum versions are more than a little suspect and would not touch one.

Thread: TN Hunter EDF
20/01/2020 21:40:12

I see that you have not added the piece facing inwards towards the fan for want of a better description which is shown on the build photos (same on his Concorde) but not on the plan. Not fitted to my 133% version (TN Hunter Plus) yet because I have not got to that stage. I cannot see what this is supposed to do.

Thread: FrSky Major Update for most TX and RX
20/01/2020 21:30:42

I give up on Taranis. Great range, solid contact with the model maybe but it is just too complex for me. To set up a new model requires a lot of patience and it is too easy to get things wrong. Mine is on global so that, I am told, it will work with any of their Rx`s including D8 and X8 which it does. I have a Tx module to fit an old PCM 9X set so shall keep a couple or so Rx`s but the rest will be up for sale soon. LBT strikes me as a problem waiting to happen. What if the band is full? Give me DSM2 any day.

Thread: Upgrading Windows7 to Win10 for free
16/01/2020 20:44:31

I may be interested in one but can usb 2.0 connectors be used with the only available 3.0 ones?

Thread: CAA registration take-up?
16/01/2020 17:47:40

A newspaper report last week stated that there are currently two `drone` near misses per week so this lot we are lumbered with clearly has had no effect and never will.

Thread: TN Hunter Plus
16/01/2020 17:41:05

I now have the hatch and cheat hole cut out so have programmed the YEP 60A and tested. A healthy 45A/500W resulted from either a 4max 3300 or 2600, both of which seem to fit OK without cutting into the wing LE. With just the wing and battery in place the cg is correct but there is a lot else to add so may have a rethink on the servo positions before I continue, even though these are very light.

Thread: Upgrading Windows7 to Win10 for free
15/01/2020 19:29:45

Just looked at this thread. The last laptop I bought came with Windows 8 which I upgraded to 8.1. Offered W10 for free with the option of reverting within a certain time. It very soon got reverted.

I still have a couple of much older ones on XP. When it comes to downloading pics to this site It is so much easier to find and use the photo files on one of these. Call me a technophobe if you like.

Thread: TN Hunter Plus
15/01/2020 19:18:34

Sort of got a canopy made now but a bit wobbly on one side. Main problem is that it well and truly stuck to the sanding sealer finished plug but have scraped off the offending bits and can restore to gloss internally with some clear lacquer. Should have given it a dusting of baby powder first I suppose. I tried drawing pins to hold the acetate to the wooden base but that did not work so I stapled it on.

Fin, rudder, tail and most of the strake done and will probably cover as many pieces as I can before glueing on.

Cheat hole, access hatch and nose cone next.

I now have the ESC and batteries but cannot test until the hatch is cut out.

Thread: Hitec 81
13/01/2020 18:28:59

No problem Maurice, we are all here to help each other. Better to be safe than sorry. I have had similar issues resolved on this forum.

13/01/2020 10:55:38

Try disconnecting the other servos and see what happens, some are not compatible with 6V and although they seem to work fine can affect the others.

Does this only happen after a fresh charge? If so ignore it.

The problem is often due to a dirty or worn pot. Also, Hitec use a sprung connection to the pot. centre, not a wire to a wiper. This can get dirty or corroded and can be checked by applying a very small dab of WD40.

To be quite honest, for all these cost, you may as well just replace it.

Thread: TN Concorde
12/01/2020 09:27:13

Coming along well. What power set up will you use? There is a huge amount of wiring to cram into there.

When covering, I found that the sheer length and awkward shape made it difficult to handle. I ironed on some 8mm wide strips to the fus. and wing where they join before the main pieces. This paid off.

Thread: Hitec 81
10/01/2020 20:33:15

I do have a few of the HS 81 and 82 series but when buying new at that size I would always go for the Corona ones. Huge range of them, great price and so far very reliable.

Thread: TN Hunter Plus
10/01/2020 10:50:35

Thanks for that. It was the original Tim Hooper article I was after but I now have enough info.

09/01/2020 19:58:40

As the guy says, there is a lot of whittling to do on the fus., and I have hardly started.

tn hunter plus 005.jpg

tn hunter plus 006.jpg

After adding the top and before planing down I shall need to add the parts for a canopy plug. Can anyone remember the mag. issue the article on making these using a mastic gun frame was in, or how to recall the tutorial on here because I have only had limited success with a vac former and have no intention of going down that route again.

Thread: ESC overheating.
09/01/2020 09:40:59

Very low currents and way overrated esc`s in the examples stated. They get hot but not alarmingly so. I would not care to try it with some of the higher end set ups.

08/01/2020 22:06:01

I bought a YEP 120A esc and it went up in smoke straight away at just 20A. The replacement one seems fine. Also one of the 55A ones on a twin died on take off, second flight only, too late to save the model.

I suppose that the majority of my models are now electric but give me i/c any day. If they blow up they are easily repaired, not an expensive total wipe out.

By the way, hardly any of my esc`s have any cooling airflow whatsoever due to restrictions imposed by the models (Lanc. and Vulcan for instance, all buried in the fus.), but I do go for rather over rated ones for the applications.

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