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Member postings for John Bisset

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

Thread: CAA ID number discussion
22/02/2020 16:49:05

For all but my few fancier models, I shall just write the number on - 'permanent marker' comes off with simple solvents. For the fancy ones I shall put the number on a sticky label, one inside and one outside (under the tail) That way I am covered if the outer one falls off.

The intent is to make ident of legitimate operation easy, not to be picky about little details - police are not going to nit pick unless a modeller is being unduly difficult with them. If you do want to play hardball, make sure you have every base covered first - and remember, there is always another law the police can find if you really push them!

Edited By John Bisset on 22/02/2020 16:49:27

Edited By John Bisset on 22/02/2020 16:49:45

Thread: BMFA
31/12/2019 16:01:17

I'd agree - well done BMFA for all this year's impressive & effective wrangling on our behalf !

Even though I did struggle today to figure out how to upload my 'Registration Competency Document to my BMFA Member's records. Finally got there, thanks to my wife asking the right sort of questions - - evidently I don't think in the same way that web page designers do...

Thread: C.A.A Reg number ,inside or outside ????
28/12/2019 14:56:05
Posted by Don Fry on 21/12/2019 13:17:48:
Posted by Colin Bernard on 08/12/2019 17:40:22:

Guess it depends on the label and surface - I've just had the devil's own job getting the labels off old jam jars ready for the next batch!

Steel wool, COLD water.

I usually soak labelled jamjars in warm water, then lightly scrape off the top surface. A little white spirit on a swab or a cloth takes off all the rest easily.

Thread: Help Needed for Kids Xmas Bike Modification
10/12/2019 17:04:20

Aha - something new. Thanks MattyB - I shall look up 'balance bikes.

Also a good reminder to me about pedal threads...

10/12/2019 13:30:44

Several quite different views here!

Personally I - we -found no problem teaching our kids to ride bikes with the pedals attached, They had all had a tricycle to play on first which may have helped a little.Typically all three were happily away with less than a couple of days's of help - holding the saddle lightly from behind to add stability, then running up and down our quiet cul de sac.

First one at five,the other two younger, since younger kids are always desperate to catch up.

So personally I 'd say you are over-complicating. By all means add trainer wheels or take the pedals off if you must. Other than that, keep it simple., Kids are keen to learn, and learn fast! Hope your grandchild has fun...

Thread: The Gov't, CAA, BMFA & UAV legislation thread
07/12/2019 14:52:01

(Good post yesterday Matty - thanks)

Nigel, I wondered about Qu 4 too. I suspect the BBC option as a source of info is a red herring & having checked I can see no sign of anything relevant. The snag with multiple choice is that the wrong answers must be ~believable, Well, that is one of the snags with multiple choice...

I presumed the dronesafe website was correct when spelt correctly (!) and that the 'app' would also be correct, though I have not seen such a beast.  (Late addendum : A 'drone app' might be about other drone related matters, so possibly a wrong option. Hmm.) 

Like you I thought Qus 16-19 were potentially awkward and since I don't use camera equipped machines, personally irrelevant. Hopefully the apparently commonsense answers will be correct.

Well done the BMFA for issuing this so promptly in a clear easy to understand way. Now to find out if my 'common sense' thinking works!

Edited By John Bisset on 07/12/2019 14:56:12

05/12/2019 16:15:39

I believe Chris Berry's recent posts have it fairly well right.

The aspiration of 'authority' to have on board identification and real time tracking of everything airborne is clear. It is not, however practical yet, not for some time to come. Theory is one thing, practice another.

I have two separate conspicuity/anti-collision systems in one aircraft of mine; it still frequently fails to be 'seen' in flight by remote stations even at medium altitudes. Earlier this week while flying I was struck by the number of calls for people to re-squawk because ATC was not picking up the transponders.

For close range collision avoidance the systems work well enough overall, as an addition to and back up for see-and-be-seen, which is what they are for. They are still expensive, power hungry and problematic at a distance except when flying high, say 10,000ft and above. At medium or low level, forget any distant monitoring except in very intensely monitored and geographically benign environments. This will change, but slowly. The degradation of signal at low altitude will continue to be an effective limiter.

Personally as a pilot routinely flying in and around the levels likely to be mostly used by drones, I'd be unhappy at the idea of everything transmitting its position, or trying to. That causes distraction, confusion and chaos, working against safety. For light aircraft operations, having radio control aircraft giving out position data will just confuse - we are not routinely flying below 500ft except around airfields or when on special tasks. We need the BMFA making this point clearly on our behalf - forget position info from R/C aircraft! Expensive, short range, useless and confusing for real world traffic.

For drones I only want info from the higher flying ones. Even between 500 to 1000ft the range available will be low, so its really collision avoidance stuff, not real tracking. Once a good, say ADS-B equivalent, set up exists at low cost and with high reliability, maybe worthwhile anti-colision will become feasible. Meantime, we keep our eyes open - and incidentally only believe a small proportion of the airliner's drone airmiss 'reports'.

29/11/2019 22:10:18

Oops - nice comment Andy!

I got around ten repeats I think, all within seconds of each other.

Thread: A new caption competition - winner declared!
28/11/2019 11:18:49

There I was upside down, nothing on the clock...

Thread: The Gov't, CAA, BMFA & UAV legislation thread
22/11/2019 11:52:12

Cuban8, I'm with you too !

Thread: Stampe SR7 building blog
21/11/2019 12:45:57

That is superb Peter. Just needs the chequerboard markings on the rudder! , as Chris said.

16/11/2019 22:08:33
Posted by Peter Miller on 01/11/2019 08:28:58:

It is interesting that the great Brian Lecomber favoured the Stampe SV-4 for aerobatics...before he went on the Dunlop Pitts.

And anyone who watched Brian flying the Pitts will never forget it!!

Edited By Peter Miller on 01/11/2019 08:30:15

Indeed, Peter. Greatly missed, Mr Lecomber. I think he kept his Stampe even when he had moved his team on to ?Extra 300s? I think. The start of his book 'Talk Down; showed how much he liked the Stampe for gentle aerobatics. I still recall a lovely conversation I had with him when I was debating doing a Lycoming conversion. He had a 200HP Lycoming with VP prop and turbo for sale; he tried to persuade me to fit that to my Stampe - "Just think how much vertical you could get with that!" I felt it was the down vertical maneouvres that might be the limit, unless I could fit airbrakes(!) - the Stampe had quite a low flick roll limit speed. He was a terrific character and a superbly thoughtful, careful pilot.

Thread: Scratch built Wot 4
15/11/2019 12:58:17


You are correct. The original Wot 4 did not have any dihedral. I can't speak for the ARTF foam variants and smaller versions!

Thread: The Gov't, CAA, BMFA & UAV legislation thread
05/11/2019 15:03:13

Jason-I : I agree the police will find it difficult to sort out the relevant rules too. The CAA's website is difficult and 'clunky' to deal with - ask any pilot, instructor or flying examiner! The cutbacks over a number of years have meant the CAA struggles to cope with its main responsibilities and little spare capacity exists for the apparently less important tasks., That probably explains some of the apparent confusion.

I suspect the police will treat this as they have various other awkward or minor areas of law; if it is hard to understand and the impact of the activity is minor they will often carefully look the other way rather than open up a can of worms. They have more urgent tasks and much more important concerns than us and our radio control models. They will only check if they see good reason to, such as obviously stupid behaviour or a public complaint. (and even then probably only if from someone senior like a councillor or politician.)

As an example - occasionally, like many glider pilots, I drive very long sailplane trailers. They are longer than any normal roadworthy trailer but are legal because the load (the dismantled half wingspan) is indivisible. Generally, the police simply ignore us. They are well aware the trailers are unusually long and outside the normal roadworthiness rules, but since we are clearly unconcerned by their presence and (generally) driving carefully their presumption is that we are law abiding and that an exception exists - which it does.

The view of a policeman I knew well was that the average cop recognised that any queries would probably cause more hassle than it was worth. Sleeping dogs were left to doze...

05/11/2019 11:23:00

I noticed the same, Alan. I was amused to see that a CAA spokesperson was pushing the helpful & friendly CAA idea, saying that this registration would 'help them reunite owners with their lost drones'.

Aw - and we didn't know they cared ! Sounds a tad desperate; maybe the realisation that this is not going to improve things at all is seeping through, slowly...

03/11/2019 20:03:32

Terrific idea Peter (C) My wife like the costume but says we won't get the police coming to check on us, more probably those 'nice young men in the clean white coats' - with the jackets which lace up the back...

Thread: I know what it is but do you ?
03/11/2019 11:12:28

My recollection is that the original full size didn't have a particularly sparkling take-off performance either.

Nice model, though Elvis is being a hog, or maybe is modelled towards the end since he is apparently occupying both seats...

Thread: The Gov't, CAA, BMFA & UAV legislation thread
03/11/2019 11:05:17

He forgot the map case to carry your exemptions in.


Somewhere, I still have my father's old Army map case from his Burma days. Used to use it for cross country walks and for mooring & coastal chart use when sailing. Never thought it might be handy for model flying !

01/11/2019 14:44:11

Possibly whoever is selling off the jet suspects that flying faster, possibly heavier machines like jets could get harder to do in future, following this start of 'official' interest. We in the UK do seem to have a growing national tendency to presuming that any activity we don't personally like or get involved in should have 'someone' from officialdom required to oversee or give permissions !

Also as we seem to be much more risk averse than of yore, there are more people prepared to complain about presumed risk or personal disturbance.

Maybe this was just the last straw - it is sad.

Thread: Stampe SR7 building blog
31/10/2019 21:24:22

Stampe also did the SV-4B which looks as if its mother was frightened by a Tiger Moth. The fin is very similar.

Ah - now I always felt the Tiggie looked as if something had frightened it, the way that top wing hunches up !

A very characteristic tail on that machine - looks as though both fin & rudder and tailplane & elevator were lifted straight from the SV4. Interesting that the Stampe has never had any strakes, whereas the Tiger Moth did, so presumably that larger fin & rudder was more effective compared to the Tiger's quite delicate effort.

(Has anyone found a model Tiger to be difficult to recover from a spin I wonder?)

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