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Member postings for John Privett

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

Thread: September 2017 Lipometer
24/09/2017 17:57:30

Geoff, we're going a little off on a tangent here, but it's kind of related... smile o

Many years ago one of the mags (possible RM or RCM&E, but maybe even one of the electronics mags, PW perhaps?) published a circuit diagram for an optical tachometer - completely analogue, not a PIC or an LCD in sight!

I still have the one I built somewhere, probably in a box in the loft. With a photo-diode as the sensor and an analogue meter to display the output, I'm sure it cost way more to build even back then than you could buy a modern one for, but isn't that often the way nowadays!

Thread: Understanding Watt Meters
24/09/2017 13:53:53

Again, Mike, what capacity and C rating are your batteries? Also, are they brand new?

In both cases you are getting battery voltage dropping to 3.2v per cell or lower - which is well below what I would expect from a fully-charged battery.

Thread: Fantasy Formula 1
17/09/2017 22:05:31

And this is how the overall table looks after Singapore;

Championship Standings

Pos Team Manager Pts
1 VBT Racing Yorik 1858
2 Pitts Specials john stones 1857
3 iqon racing iqon racing 1852
4 Bernies Big Brown Envelope serepton PRO 1829
5 Revers Racing Pete B 1760
6 AnyoneSeenBernie johnpflyrc 1754
7 Team Webby Racing Simon Webb 1741
8 FalconFormulaOne Tony Hamer 1715
9 Norfolk Flyers Kevin Fairgrieve 1684
10 Flying Eagles Gary Goodfellow 1628
11 Mannschaft Carl Brotherton 1595
12 Essex Racing Tony Clark 1579
13 Team Charles Picd Charles Pic 1416
14 Slopeflyers F1 jimbo32010 1405
15 teewrex John Tee 1056

And it's all change at the top! Yorik moves up a place to the top with the Pitts Specials also moving up a place taking second but only a single point behind Yorik! Iqon slips down to third but only 5 points behind 2nd.

No change in 4th, but Pete moves up a place at my expense to 5th leaving me 6th. No change in 7th but Tony H and Kev swap places to 8th and 9th respectively.

Gary moves up a place to 10th, with Carl also moving up a place to 11th, meaning that Tony C drops two places to 12th. The final three positions remain unchanged.

Next up is Malaysia in two weeks time - so, predictions?

17/09/2017 21:49:55

So, hands up who predicted the first corner "incident"? The results are up and here is how they look for our league today;

Results from Singapore

Pos Team Manager Pts
1 Revers Racing Pete B 153
2 Flying Eagles Gary Goodfellow 151
3 FalconFormulaOne Tony Hamer 148
4 Team Webby Racing Simon Webb 148
5 AnyoneSeenBernie johnpflyrc 140
6 Pitts Specials john stones 127
7 Mannschaft Carl Brotherton 126
8 Bernies Big Brown Envelope serepton PRO 119
9 VBT Racing Yorik 117
10 Norfolk Flyers Kevin Fairgrieve 111
11 Team Charles Picd Charles Pic 93
12 iqon racing iqon racing 92
13 Slopeflyers F1 jimbo32010 87
14 teewrex John Tee 77
15 Essex Racing Tony Clark 75

Looks like Pete has woken up and is staging a last-minute return to form to try to retain his past titles... Gary, Tony H and Simon were not far behind thoguh, 5 points covered our top 4 today. In the next post, where does this leave the overall table.

Thread: What's flying over your house
15/09/2017 21:03:59
Posted by Dave Bran on 15/09/2017 18:43:03:

Hurricane up from Biggin Hill this morning. Made a nice change from the inevitable boring two seat Spitfire.

Not sure if it was two weeks ago or three, nor whether it was the Saturday or Sunday, but a Hurricane flew over the Downs when I was up there flying.

Thread: Fantasy Formula 1
15/09/2017 20:52:46

OK, you know what's coming next! smile p

Don't forget your predictions!

We can't all be as lucky as Simon, so go and do then now if you haven't done them already.

It's Singapore and a night-time race which cancels out the time difference so qualifying and the race are at more or less the usual lunch-time times, though qualifying is at 2pm and the race at 1pm. FP1 and FP2 both suggest that Red Bull are strong favourites, with Mercedes trailling significantly behind and Ferrari ever more so though Ferrari fared better in FP1 then in FP2.

Channel 4's coverage is live this weekend, I'll be watching the race later as I'm out on Sunday - I'll post the results when I can, but it may be later in the evening than usual.

Thread: Gliding
15/09/2017 20:41:32

Jo - a Blanik was the first aircraft I ever flew, or indeed ever flew in!

That was a little over 40 years ago, 31 Oct 1976, and a 4 minute flight according to the logbook that I still have. As a member of the university gliding club we had membership of the Northumbria Gliding Club, but could only have 4 of our members there on any day. Consequently visits were few and far between, and I didn't get another flight until March 1977.

Between October 1976 and August 1978 I had 6 flights in total in the Blanik and 10 in their Ka7. All off the winch, which is quite an experience, especially the first time as it all looks so gentle and sedate from the ground! Finally a couple of aerotows at Lasham in 1989 in a K-13, and with the longer flights I reckon I learnt more inthose last two flights than in the previous 16. I must give gliding another go one day, maybe when I retire?

09/09/2017 19:08:58
Posted by kevin b on 09/09/2017 12:22:16:

What's strange ?

Obviously the website is hosted by their own server and when they are not working it is switched off, which can save a considerable amount of money (just like an electric fire). Just because some individuals (not all) want everything to be available now for their convenience doesn't mean that businesses have to pamper to them. Whatever Slough Models are doing, it must be right as they are surviving in this age of consumer aggression. I, personally refer to an old fashioned 19th century piece of technology when I have an internet related problem, before taking to the www. It's called a t-e-l-p-h-o-n-e.

Kevin, I'm not sure if your answer is "tongue-in-cheek", but just in case it's not;

The website is almost certainly hosted on a server in a datacentre. Even if it's "their own server" it's unlikely to be one they actually own, just one they have exclusive use of rather than shared with other users. It's likely to be a virtual server anyway rather than a physical one. They most certainly will not be switching it off like they do with the lights when they go home at the end of the day!

The thought of switching it off to save money is - to me - a very strange one! I don't think I've *ever* heard of a website that is switched off outside of working hours. But maybe that's because I've only worked in IT for 37 years... Many people work during the working day so can't visit or spend half the day on the telephone to their favourite shops - the web lets them, and me, browse things and place orders at all times of the day and night. A 24/7 web presence is almost essential for most businesses these days.

Anyway, I could go on, but I'm sure your reply was "tongue-in-cheek" so I'll stop now!

Thread: Fantasy Formula 1
03/09/2017 20:38:53

So it looks like some of use were initially deprived of a few points in today's scores... Revised table shows Iqon first today with 195, Gary second with 191 and John's Pitts Specials 3rd with 185.

Results from Italy

Pos Team Manager Pts
1 iqon racing iqon racing 195
2 Flying Eagles Gary Goodfellow 191
3 Pitts Specials john stones 185
4 Bernies Big Brown Envelope serepton PRO 172
5 Revers Racing Pete B 167
6 Norfolk Flyers Kevin Fairgrieve 162
7 FalconFormulaOne Tony Hamer 154
8 VBT Racing Yorik 142
9 AnyoneSeenBernie johnpflyrc 140
10 Team Webby Racing Simon Webb 136
11 Essex Racing Tony Clark 116
12 Mannschaft Carl Brotherton 106
13 teewrex John Tee 99
14 Slopeflyers F1 jimbo32010 94
15 Team Charles Picd Charles Pic 78


The overall table remains as I posted it earlier.


Edited By John Privett on 03/09/2017 20:40:46

03/09/2017 20:35:00

Well spotted John - they have indeed changed since I grabbed them a couple of hours ago!

Bear with me and I'll post an update...

03/09/2017 20:25:51

In terms of the overall championship, once again we have a change at the top.

Iqon's top-place on the day also moves him back to the top of the overall table, with Yorik slipping back to 2nd. John's Pitts Specials remain in 3rd.

4th and 5th remain unchanged, but Pete and Simon swap places for 6th and 7th respectively. Similarly, Kev and Tony H swap places and are now 8th and 9th.

Tony C holds on to 10th with Gary moving up to 11th and Carl dropping a place to 12th.

The three remaining places remain unchanged.

Championship Standings

Pos Team Manager Pts
1 iqon racing iqon racing 1760
2 VBT Racing Yorik 1741
3 Pitts Specials john stones 1730
4 Bernies Big Brown Envelope serepton PRO 1710
5 AnyoneSeenBernie johnpflyrc 1614
6 Revers Racing Pete B 1607
7 Team Webby Racing Simon Webb 1593
8 Norfolk Flyers Kevin Fairgrieve 1573
9 FalconFormulaOne Tony Hamer 1567
10 Essex Racing Tony Clark 1504
11 Flying Eagles Gary Goodfellow 1477
12 Mannschaft Carl Brotherton 1469
13 Team Charles Picd Charles Pic 1323
14 Slopeflyers F1 jimbo32010 1318
15 teewrex John Tee 979

Singapore in two weeks, and a track that many say will favour Ferrari. Coverage is at European-friendly times (as it's of course a night race in a time zone 7 hours ahead of us) with qualifying at 2pm and the race at 1pm - if I've done my sums right!

Don't forget your predictions!

03/09/2017 20:20:58

Channel 4 coverage should be safely over by now...

So, who did what today?

Top scorer today was Iqon with 180 points. John's Pitts Specials come in 2nd with 10 points fewer and Gary scored 154 to finish 3rd.

Results from Italy

Pos Team Manager Pts
1 iqon racing iqon racing 180
2 Pitts Specials john stones 170
3 Flying Eagles Gary Goodfellow 154
4 Bernies Big Brown Envelope serepton PRO 139
5 Revers Racing Pete B 127
6 VBT Racing Yorik 127
7 AnyoneSeenBernie johnpflyrc 125
8 Norfolk Flyers Kevin Fairgrieve 125
9 FalconFormulaOne Tony Hamer 121
10 Mannschaft Carl Brotherton 105
11 Team Webby Racing Simon Webb 99
12 Slopeflyers F1 jimbo32010 93
13 Essex Racing Tony Clark 75
14 teewrex John Tee 70
15 Team Charles Picd Charles Pic 55
03/09/2017 17:48:46

OK, the results are now up (quite quickly today!) on

But for the benefit of those viewing the race on Channel 4 (I think their coverage has just started) I'll hold back posting results or saying anything about them until the race is over on Ch.4.

Thread: key fob camera
02/09/2017 11:15:42
Posted by Peter Miller on 02/09/2017 09:43:55:

Recently used a Gopro Hero 5 Session. Not impressed.

Is that because of the wide-angle lens?

I have a cheap 'gopro clone' (cost about $40 from banggood or somewhere similar!) and it has a rather wide angle lens. It's OK for skiing or other "action" situations where you can attach it to a helmet or hold it by hand when you can't necessarily pay much attention to where you're actually pointing it - the "action" is in the shot somewhere, but I don't think it would give decent shots from a model plane.

Thread: Fantasy Formula 1
02/09/2017 10:44:39

Final practice is delayed due to rain - it's now sheduled to start at 10:44 (UK time) leaving them only 16 minutes in the session.

Will the rain

Final practice is delayed due to rain - it's now sheduled to start at 10:44 (UK time) leaving them only 16 minutes in the session.

Will the rain affect qualifying at 1pm? Something else to ponder!

Thread: key fob camera
02/09/2017 09:35:10

Good point E.D! I've only used my keyfob cam on gliders and electrics.

Some years ago (mid-90s?) I mounted a 35 mm film camera in my old i/c trainer to take a few shots of my flying site but tool all the shots dead-stick on the way down after climbing to altitude - there's no way I'd have got a useable shot with the engine running unless I'd used an awful lot of foam or something to deaded the vibrations.

01/09/2017 22:29:11

I'm another one in the Velcro camp. I usually also put an elastic band through the keyring and attached it to a convenient part of the model so just in case the velcro 'let go' (it never did) I wouldn't lose the camera.

Thread: Fantasy Formula 1
01/09/2017 22:24:12

Ooh heck... Yes John, thanks for the 'nudge'!

Another weekend and another race! Monza this time and Mercedes are heading the practice times so far with Ferrari not far behind. So;

Don't forget your predictions!

Thread: TJD Models - a lacklustre performance
31/08/2017 19:25:20

Tom - your experience with Currys doesn't surprise me at all. Against my better judgement I do sometimes buy stuff from them (and PC World, same company-usually in the same, combined store) as they do sometimes have something that I want and at a decent price.

I almost always use click and collect and very rarely has the item been put to one side. Usually a gormless member of staff has to go and search the premises for what I ordered and I'm sure they make more commission out of the (over-priced) extended warranty/insurance that I always decline than they do on the actual goods.

Thread: Fantasy Formula 1
27/08/2017 22:46:00

Excellent thank you, John!

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