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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: Laser Engines - Technical questions
23/03/2020 20:29:33

My smaller one has had quite a hammering but maybe the quality of these has gone down since I bought it.

23/03/2020 20:00:48

Do you wish to flog it? It is a pain for me changing from small to large cones depending on the models. I agree that the nut has a habit of coming undone.

Thread: TN Concorde
23/03/2020 19:50:44

You will find that it is necessary because of the change in the wing shape. Not too difficult.

Thread: Laser Engines - Technical questions
23/03/2020 19:42:54

When the 12-15V one came out I bought it because my old Sullivan became a pain and was not up to the job. I changed from lead acid 12V to a pair of really cheapo 4s from HK in parallel. Brilliant, and with the large cone fitted also turns a 50cc petrol with ease.

23/03/2020 17:33:23

Anyone want to buy a set of stamps from me?

Thread: Precedent Stampe 1/4 Scale
20/03/2020 23:11:15

All events off this year I take it.

Thread: New EDF Mini Jets- Jet Provost & Folland Gnat
18/03/2020 17:52:03

OK.

18/03/2020 16:58:43

Which ones exactly did you go for please?

Thread: Is there a new breed of servo ?
18/03/2020 14:32:50

I have been using Bluebird DMG ones for quite a few years now in a 1:5 50cc Hurricane, a 2m Edge 540 and my original 1:6 Spitfire with no problems until ----!

Took the Spit. up one day, climbed at full power, throttled back and nothing happened. Full belt into terra very firma.

Needless to say everything in the wreckage worked perfectly but both battery packs were hot and rather discharged. No amount of bench testing would reveal a fault so each item was test flown in a hack model. Only when I put three of the four servos in did it occur again exactly as before, so one must have an intermittent s/c.

Thread: New EDF Mini Jets- Jet Provost & Folland Gnat
18/03/2020 09:18:04

Thanks for that, I shall take a look.

17/03/2020 20:59:29

Looks great. Just starting mine. Where did you get those pilots from?

Thread: Precedent Stampe 1/4 Scale
16/03/2020 19:18:17

Welcome to the club Nick.

Thread: The Ohmen
16/03/2020 19:08:56

I decided to pinch the OS26 from my Peacemaker and fit it to mine. As usual there was a little more to it than I anticipated including making a new cowl which does not quite follow the right nose line due to having to use a couple of the original engine mount screw holes. The finished job looks OK ish.

Even though I used a 5 cell Eneloop as far back as possible the cg is a tad forward at the moment but fine for a test flight.

Some pics.

ohmen 003.jpg

ohmen 001.jpg

ohmen 004.jpg

ohmen 005.jpg

ohmen 002.jpg

Thread: Laser 180 Petrol
13/03/2020 19:53:59

I did offer to try one Jon since I have three airframes suitable and ready to go but I got missed out. As you know I have since bought another 180 glow.

Thread: How to Paint Roundels
12/03/2020 14:51:52

Jon, if you want a couple of offcuts to try before you buy you can pick them up after work. You can phone or PM me for my address.

12/03/2020 08:49:25

Jon,, see my post above on 11/3.

11/03/2020 21:03:50

Get a Silhouette. You can make them as small as you like either as stick on letters or masks.

Alternatively, print on paper, mark out the reverse side with a pencil, paint then cut out and iron on using PVA. Very labour intensive.

Thread: Is there a new breed of servo ?
11/03/2020 20:57:13

Well said Andy. I am glad that most agree that they are very useful for setting up a model.

11/03/2020 18:24:30

For a long time I could not see the sense in buying one but now it is the first thing out when installing servos and retracts, especially servo driven ones. The 1500ms is a very accurate centre and corresponds to my Tx`s.

Certain electric retracts I bought would not respond to some Rx`s but they work fine on the tester. (HK MCR`s).

Much easier than connecting a Rx and setting up the Tx to get the control surfaces initially at centre.

11/03/2020 16:42:34

Just removed some Corona DS 939MG`s from a model I no longer want (Peacemaker) and they happily move from 700 to 2300 ms on my HK LED tester.

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