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Member postings for Don Fry

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

Thread: 6 Turning 4 Burning
23/01/2020 20:33:04

Not sure about a massive rudder.

I see a reasonable rudder, a short moment to the CG, and a load of nose in front. But something was causing the bloodhound on a track nod.

and Erf, if it was simple, this builder wouldn't bother. I reckon I'm being clever sticking crow brakes onto an Avicraft Panic. Different league.

23/01/2020 19:12:56

In fairness, Erf, it will balance about the wing. That is where the weight is. The rest is a bit of material in front of, and behind the wing.

A bit of a concern, one of the videos showed a slightly twitching flyer, and a horizontal nodding behaviour, what looked like Dutch Roll. And that is a symptom of marginal vertical stabiliser/rudder area.

Thread: engine refurb
23/01/2020 18:43:06

I've got a bottle of stove glass cleaner. It workson stove glass. It has potassium hydroxide in it. It would discolour a motors aluminium castings.

The last bottle, didn't work on stove glass. It had detergents in it. No hydroxide. Might clean a motor.

Boil it in low foam washing powder/liquid, whatever Beloved has. A toothbrush will then shift the gum. But, mount it and run it, as soon as it settles towards cold. No rust allowd.

Thread: 6 Turning 4 Burning
23/01/2020 18:26:28

We hear about death by planking. Glue the wood together, stick it in a wood lathe, tailstock out, and if you get it straight, a light skin, if you feed it straight. Not the cheapest, but quick. Lot of aircraft, can't mess about.

22/01/2020 19:06:02

SR 71, having seen your previous efforts, respect.

But as the old joke goes, how do I get to Birmingam. Arrr says Worcestershire yokel, I wouldn't start from here,

Weight behind the CG is rarely good. Or is it a mould.

Thread: Throttle for Mills .75?
22/01/2020 18:59:19

Off post, and I am not usually a reminiscer, but does God speak. He who turned those control line motors wot won, without ( too many) issues.

Thread: 6 Turning 4 Burning
22/01/2020 14:52:02

I know it's a very long shot, but John Wagg has a post going yesterday, titled "New old stock - SC30FS - just purchased", yesterday. May there be more old stock?

Thread: Just Curious
21/01/2020 21:05:29

Quotas in Old Bill relate to policey sort of things. Chasing old farts has not got a tick box for the home office statistics. Good idea, but not going to work. Ever thought of standing for an elected commisioners job? Original thinkers might be welcome.

I agree, 14 year old became difficult when you were not permitted to run then off the road with a judicial vehicle strike, parents, of our generation, objected. Never understood why.

Thread: Flat plane wing question
21/01/2020 20:50:45
Posted by martin collins 1 on 21/01/2020 18:43:21:

Having just built Nigel Hawes 30" Tucano got me wondering, would this solid sanded balsa wing work at a 60" length for a 4 engined airliner? I have a hankering to scratch build one and like the idea of using this type of wing on it?

It seems very stable at slow speeds, thoughts please.............

If you scale a solid 30" wing up to 60", it carries 8 times more wood, and weight. And to lift the weight, it won't do slow.

Depron and carbon makes sense.

Thread: 6 Turning 4 Burning
21/01/2020 19:30:57

Paul, I suspect SR71 don't do easy.

Thread: Just Curious
21/01/2020 18:53:52

I was actually "checked" last year. 2 Gendarmorie dog handlers came up. They were aware I needed paperwork. Could I explain what it was. I demonstrated the paperwork they can expect.

And we parted, Bon Vol, ( good flight).

Mind, French plod are far more numerous than British plod. One of the dogs looked right handy. Kept looking at me, and glancing at his master, seeking permission to eat.. Such creatures used to exist 35 years ago in the UK.

Thread: 6 Turning 4 Burning
21/01/2020 18:29:05

Respect. And Jon, more accurately, parked under it.

Thread: Just Curious
21/01/2020 14:57:05

Alex, police divisions adjoining major airports will be a bit more clued up. The divisional boss will have been made aware. Said learning packages will have been read, at least to shift supervisor level. After all, they will still remember what did, or did not happen, at Gatwick.

Edited By Don Fry on 21/01/2020 14:57:41

21/01/2020 12:34:03

I am not being sarcastic, or even cynical, but am ex plod.

Minor law updates like this, apart from specialist units, gets done by distant learning packages, which nowadays will be, when you have a spare hour, look at this on the computer. Now, average plod, thinks, never had a problem, call about a drone in my time. Do I try to shift some of this paperwork, which should have been shifted last week, or look at the flying stuff.

Supervisors are a bit better informed. They will know enough to know where to look, if necessary. But, when you have not got enough blokes to get the job done, you ain't shouting at them to find a new job to do.

Got a minute spare, shall I scrounge a cup of tea, or go up some bumpy track to stir up some old farts who haven't bothered me.

Edited By Don Fry on 21/01/2020 12:35:16

Thread: SWEET & SMART Acronyms meaning??
21/01/2020 09:52:46

Out of curiosity, what does SWEET signify?

21/01/2020 09:24:41

Sweet I haven't seen before. Smart is be smart using your transmitter, check switches, meters, aerial, rates, trims.

Thread: Theory of the operation of a servo
20/01/2020 20:34:11

Peter is I think, referring to mid 60s servos. They used to have a pencil lead in the servo. And a wiper, following the arms position, measured the resistance of the pencil lead, a Wheatstone bridge for physics students. And that decided, where the servo was, in relation to the command.

what can go wrong on a cold damp day.

To answer the last post. Servos  wot work.

Edited By Don Fry on 20/01/2020 20:34:42

Thread: DB Hurricane paint and finish.
20/01/2020 20:22:55

But "problems" can be solved.

My current build, not complicated, has transparent covering. So thicko here, did not anticipate that the wires have to look better than an installation by a blind man, using his feet, Jon's phrase.

The solution, 2 servos in the tail, wires through the rear fusalage, transparent covering, afterfit, is a job in progress.

19/01/2020 17:36:49

That point in a build where there is a months worth of bits to do. Nothing much to show. I am amused when someone is selling a bare airframe, not fitted together, no bits done, and the say 80% complete. That is still a nice colour scheme.

Thread: FrSky Major Update for most TX and RX
19/01/2020 14:50:41

Only experience of 2 sites in Germany. One in the Ruhr valley, that's a populous area. Site was a mile outside a village. Other site was Munich area. Eight to 10 miles outside the city, two miles from a town, rural looking.

When I say they are similar to the UK, I mean it. All sites across Europe seem to have a common layout. Parking, pits, 40 yards safety space, pilot box, runway, dead area in front. I haven't come across a site over here with shared access to the dead area, i.e. The club uses the site, and can crash in safety.

Read the BFMA handbook, and translate as necessary.

Lots of very serious obsessive engineers in Germany?

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