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Member postings for John Muir

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

Thread: Advent Prize Draw - 23rd Dec
22/12/2020 19:40:38

Count me in please.

Thread: Model flying on Countryfile
21/12/2020 19:44:27

Just a bit of well intentioned harmless fun. I did like the bit where Dave launched a trainer while holding a 35Mhz transmitter then was chatting to the presenter while flying the model, now on 2.4Ghz, and with said model rather obviously sitting on the ground in front of them. All intercut with nice flying shots of the trainer. Is that what they call 'creative licence'?

21/12/2020 10:42:03

I've seen Dave at a couple of fly-ins up our way. Nice chap. Although flying from a very nicely prepared strip he always hand launched his models, even his forty powered aerobatic job. Now I know why. Slightly iffy presentation but at least he got a free trial flight out of it.

Thread: Advent Prize Draw - 21st Dec
20/12/2020 19:37:01

Now that could come in handy.

Thread: Advent Prize Draw - 19th Dec
18/12/2020 19:25:43

Count me in please.

Thread: Advent Prize Draw - 17th Dec
17/12/2020 11:49:21

Looks useful.

Thread: Adhesives. PVA Glues: White or Yellow?
15/12/2020 12:23:04

So long as it's a quality brand they're all much of a muchness. Yellow glues are just PVA with an added 'aliphatic modifier' which changes the properties of the glue according to the manufacturer's requirements. Usually it is to make the stuff easier to sand as ordinary PVA is a bit rubbery, but the trade off is it might be a bit more brittle. In practice any decent PVA will produce a joint that's stronger than the wood it's joining so it doesn't really matter. The yellow colour comes from a dye added to make the glue look different. Some white glues contain aliphatic modifiers but just don't mention it on the label. There's even some that are tinted brown.

This is all gleaned from much searching about on the internet so don't ask me what an 'aliphatic modifier' is!

Thread: Advent Prize Draw - Dec 13th
12/12/2020 20:02:42

I'll have a go.

Thread: Advent Prize Draw - 11th Dec
10/12/2020 19:41:13

Count me in please.

Thread: Advent Prize Draw - 7th Dec (post to enter)
07/12/2020 13:57:07

Include me please.

Thread: Advent Prize Draw - 4th Dec (post to enter)
03/12/2020 19:36:44

I'm in.

Thread: Advent Prize Draw - 2nd Dec (now closed)
02/12/2020 11:39:12

I'll have a go.

Thread: Connectors - which way round
06/10/2020 19:23:17

Gender neutral.

Thread: Pegasus/Galaxy Models Musketeer
17/09/2020 16:32:04

My first Musketeer was initially powered by a dreadful old Magnum 40. It flew perfectly well on that and when it broke I fitted an SC36 which was a bit heavier but perked the plane up no end. The model met its demise not long after that unfortunately. A .32 would be plenty.

17/09/2020 12:21:39

Here's mine. Must get round to fitting the canopy.dscn4309.jpg

17/09/2020 12:15:45

Good all round sport aerobat and tough as old boots. Not tough enough to survive taking off with the aileron servo unplugged though so I'm on my second, comfortably powered by an OS40LA. I put small servos at the tail on this one and used two servos for the ailerons and added a steerable nosewheel. I think the MDS will make it ballistic but might make it a little nose heavy as I think it was originally meant for a plain bearing 35 or similar. Something to watch out for.

Thread: Phoenix 2000
23/07/2020 15:56:51

On the other hand, a 2826-1000 fits easily, leaving plenty of room for the wires back to the esc, only weighs 70g against 100+ for a bigger motor and actually works very well, something I can say with confidence as I've been using mine like that for a few years now. Hope you find something suitable.

23/07/2020 12:15:56

A Tornado Thumper 2836 1120kv at £20 from Sussex Model Centre would do the job. I use a 1000kv motor in my Phoenix mk1 with a 10x6 and get about 210W on a 3S battery, which is perfectly adequate as far as I'm concerned.

Edited By John Muir on 23/07/2020 12:31:26

Thread: The Gov't, CAA, BMFA & UAV legislation thread
26/06/2020 12:41:24

Club treasurer probably missed the second bulk upload date and is trying to shift the blame to the BMFA.

Thread: Why sudden dramatic voltage drop in 700mAh 4.8v NiMh pack?
30/05/2020 08:23:34

You need to charge at a higher rate of 0.5 - 1C. Any less and the battery will never get warm enough to cause the voltage drop that the charger is trying to detect. The battery should be quite warm to the touch when the charge completes. It may be that you've been repeatedly overcharging your pack which may have damaged it. I'm not sure about the peak detect cut-off. I normally leave that at the default setting. However, an hour's flying on a 700mAh battery probably just flattened it. I'd go with the spare battery idea if it was me.

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