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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: RCM&E Fly-In 2019 - general chatter
10/09/2019 19:24:09

Thanks very much both. See you there.

10/09/2019 17:48:06

Just how please can I book camping for the Saturday night, and is it really necessary? Links to the BMFA produce nothing and to top it all the site no longer accepts my login details. Any help appreciated asap.

Thread: Fieseler Storch
07/09/2019 21:40:49

Got mine from HK EU about £85 post free.

Looks like I am the only one to have sheeted the tail and fin.

Now playing around with how to fit the OS52. It will be angled so that the silencer will clear some u/c parts and will probably have to split the cowl horizontally so that it clears the cylinder head without too much more chopping about.

Edited By Martin McIntosh on 07/09/2019 21:49:16

Thread: Aldi
06/09/2019 09:19:13

A `table` in the case of a tool like this refers to a flat plate at right angles to the belt on which to rest the workpiece, not something to stand the machine on.

05/09/2019 20:25:33

A belt sander without a table is a complete waste of time and money. I bought a Clarke one a long time ago and the belt is useless for modelling needs. Their stand alone disc sander is very much more useful.

Thread: Fieseler Storch
05/09/2019 20:10:54

OK, got two wing halves made up. More errors and things to watch out for, particularly fitting the hardwood piece W20 at the outset. I firstly pinned down the rear under spar ensuring that it was straight because everything else depends on this. Then W20 (there are also two other parts called W20!), slid the ribs over the carbon tube, added the top spar and the inner LE, pinned it all down and tack glued the lot with thin c.a. Added the hardwood ribs at the root and made up and fitted the tips. There is a small reference to W7-1 and W7-1 short. They look the same before removing from the sheet but they are not. Easily fixed.

You need to know which way to put the LE on as the pics. do not agree with each other, so before the above I made up the slats to ensure that the horn cutouts aligned correctly. These are quite tricky since you need to plane and sand two bits of square wood to the shape of a comma. Masking tape helped on the second one to prevent grooving the larger piece. Hindsight.

The front of the LE is W9-1 which was fine on the first half but the other one is actually marked W8.

Went over all joints with R/C Modellers` glue.

This is a really strong (and heavy) wing and I can see no need for a full span carbon tube.

Started to modify the servo mounts ready to fit but watch out because the drawing shows them one way round and the pic. of installed servos differently.

I still have a huge amount of unused bits. Next will be the wing centre sections.

 

It is fairly obvious that the manufacturer has not made up a production version of this otherwise these errors would have been picked up. Reminds me of my HK Lanc. which could not possibly fly as supplied but is actually quite good when modified.

Edited By Martin McIntosh on 05/09/2019 20:17:44

Thread: Classic Aerobatic Model Photo Thread
05/09/2019 19:35:41

Hi Ash, as you can see I had the same problem with the nose wheel. During the wing construction I reinforced the rear of the cut out with some light ply and fitted a carbon fibre dowel on each side. The whole lot was a very tight fit.

Beware of HK steerable nose legs since I have yet to find one of theirs with the correct geometry, i.e. they twist to one side during retraction.

Thread: Incidence Meter/Gauge Measurement
30/08/2019 21:02:42

I have an Accupoint laser meter from Great Planes. Fine for incidence but useless for the thrust line due to the weight of the unit. Prior to getting this I made my own using alloy tubes and a simple adjustable laser pen but it was a little on the heavy side which distorted the readings.

Thread: Precedent Stampe 1/4 Scale
30/08/2019 20:49:06

£69 quid to camp there? Already forgotten about it.

30/08/2019 20:33:22

When is that Bert? I intend to go to the RCME fly-in on 14th-15th, weather permitting.

Thread: CofG
30/08/2019 08:51:10

Nope, its not the prop Peter. Both engines like an 18x8, in this case a G-Sonic composite. I have also used wooden ones on both model versions.

Thread: OS 40 FP Mixture problem
29/08/2019 22:43:19

I have never had a problem with the old FP motors. Are you sure that you have opened or closed the slow running needle enough and not just closing the carb. too much to get a slow idle? If the motor starts to slow down on idle then it is too rich, v v if it speeds up after a few seconds it is too lean. You could also try a slightly cooler plug and use 10% nitro which will make the motor much less sensitive to settings.

When I restarted the hobby after an enforced lay off I stupidly bought an MDS 48 after reading the (then) glowing reports about them. The above fuel/plug combination totally sorted it.

Thread: CofG
29/08/2019 16:18:36

The 155 is now fitted but suffered from vibration on the test runs/flight which was traced to the motor fixing screws which have now been changed to M4`s as in the old Spit. The cg was readjusted back to as per plan and test flown today. I added a few clicks of down trim (not even noticeable on the ground) and it now flies much more happily for some reason. Maybe there was simply too much power for this lighter airframe before. Had to curtail it due to severe changes in the motor mixture but I think I have traced this to a small split in the filter line. Will try again when the wind is next down the strip.

Thread: Precedent Stampe 1/4 Scale
29/08/2019 15:19:13

We`ll talk you into it long before then Pete.

Thread: Broken servo arm screw
28/08/2019 17:07:28

Their slim wing servos of which I use a lot come with substantial arms, but the more normal shaped minis do not. They can often be interchanged.

27/08/2019 20:18:36

I now use lots of Corona servos Bob and have not as yet had a problem. Don`t be so heavy handed!

Thread: August Nationals 2019
27/08/2019 20:15:13

I agree that a later time of arrival could be published in case of delays. I did not see 17.30 anywhere. I also accept that it is up to the station commander to release his field when he sees fit and did not intend to blame either him or the BMFA, but we were all a bit hot under the collar by 18.30. Apologies.

Regarding attendance I would say that it was much quieter than usual with plenty of space to camp where you wished and no scrambling for a parking space near the trade tents. Maybe families pressurised their dads (grandads!) to take them to the coast instead due to the weather.

The traders get fewer and fewer alas, perhaps because the fees charged cannot balance the expected profit, especially if there was poor weather. In the 1970`s a lot of large shops pulled out due to this; a fact repeated at Sandown Park. There were noticeably less food vendors too, although the hog roast by the beer tent was something else.

The swap meet was enormous this year. Got exactly what I wanted and having an almost empty shopping list and seen a lot of good flying I beat a retreat before the heat set in again.

Thread: Broken servo arm screw
27/08/2019 19:29:59

I have several MG servos with shakeproof washers supplied but the easy answer is a dab of Evostick. Mending servos these days is a waste of time since they are generally so cheap to replace. Balance the cost of one against the rest of the model.

Thread: Fieseler Storch
27/08/2019 19:17:28

Got the fus. minus all wing fixings and cockpit done and ready for covering the initial parts and was looking forward to the videos of the wing construction, but alas they just jump to a completed wing so a waste of time.

The tail, elevators, fin and rudder may as well have been made from 1/4" sheet; at least this could be shaped a little instead of having very thick TE`s. After all, why use three parts when thirty will do. A bit like a dreaded Guillows kit where the c.a. weighs more than the wooden bits.

The wing has a drawing showing the rib positions but otherwise can be likened to a thousand part jigsaw puzzle without a picture to go by.

I bought six servos for the wing but when they arrived they were analogue MG, not my usual digis. Wondered why they were so cheap so got six slim wing servos which will make installation much simpler. Three of the others will be fine in the fus.

Now getting the ribs sorted out and ready for fitting after I have figured out what goes where and in which order.

Wish me luck.

Thread: August Nationals 2019
25/08/2019 16:46:03

Saw some flying and pretty much able to buy what I went for so decided to up sticks because it was just too hot to hang around.

The only gripe is, and I would appreciate an explanation from the BMFA, is why was I held in a queue until 18.30 since all full size flying had long finished? This spoiled it a bit for a lot of people.

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