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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: Laser Engines - Technical questions
15/11/2019 06:38:01

A weighted custom made spinner is also an option to get the weight forward.

Thread: Centre of Gravity Machine
14/11/2019 11:48:10

Try looking for "Vanessa machine" on the web. Good for stuff over a kilo or so. For smaller stuff, it's often as easy to build an scrap version of a Great Planes commercial machine

Thread: Cyano Depron Gotcha
14/11/2019 11:41:25

The reason Plummet is I reckon, the face is a non permeable surface to aliphatic. Any ways, thank you for the research. I use this system and it seems I'm good to go with aliphatic for cut rib sufaces to spars. Still leaves a problem if you need to attach spar webs to the non cut wing ribs faces.

13/11/2019 17:29:38
Posted by Plummet on 13/11/2019 16:56:20:
Posted by Don Fry on 13/11/2019 15:53:45:

SuperPhatic is good. I've tried it.

Does plain common or garden aliphatic not work as well.

My research told me that aliphatic was not good - but ...

Does it depend upon gluing to a cut edge? I wonder if the coating that protected the depron from the cyano might also stop aliphatic from sticking to the surface of depron. I feel a bit of experimentation coming on.


I've never tried aliphatic, but Superphatic is a glue of choice with Microaces for foam, and it's a super glue for balsa. I struggle to find a intellectual reason why aliphatic won't work. And at least is nice to use.

13/11/2019 15:53:45

SuperPhatic is good. I've tried it.

Does plain common or garden aliphatic not work as well.

Thread: How to remove glue from ARTF before recovering....
13/11/2019 09:31:06

Also, rub the acetetone surface gently with a green scrubber faced washing up sponge. The glue gets picked up in the scrubber face.

Thread: When you think you're to experienced to make a simple mistake, you're not!
12/11/2019 19:39:26

Silence is a virtue.

Thread: BMFA numbers. Is this true, or a gross exaggeration?
12/11/2019 17:26:27

post in poor taste.

Edited By Don Fry on 12/11/2019 17:29:08

Thread: The Gov't, CAA, BMFA & UAV legislation thread
11/11/2019 11:07:09

Cheers Will O. A strategy with good logic. Anyway I think we are agreed, the CAA test is poorly written, published without much quality control, and of limited use. I suppose it does teach us plank fliers a bit about drones. But knowing how to spot an expensive handbag as acquired by beloved would be of more use.

11/11/2019 07:26:57
Posted by Steve J on 10/11/2019 21:46:05:
Posted by Don Fry on 10/11/2019 21:10:36:

I got 19 correct. I disagreed with the CAA on the 20th, on a safety issue.

Which question did you disagree with the CAA on?

Something about flying a drone, you have positioned it in the sun, and can't see it. Do you land it out, or fly it towards you. The answer is fly it towards you steadily until you can see it. Nothing about move it laterally out of the sun, or descend, ascend out of the sun.

I wonder how you can move it towards yourself if you can't see it?

I said land. You are flying over safe ground, put it down. It did say drone, not model aircraft.

But I might have misread the question. I think I was doing it at 8 questions a minute.

And I still have BFMA Certication, if anyone wonders how I can justify flippancy with what the government regard as a safety issue.

10/11/2019 21:10:36

As John Stones says, get a grip. The A, B and C achievement awards remain as they were. I took the CAA test for a laugh.

The reality of the CAA test, took me under three minutes, speed reading and prodding a likely answer. Didn't read or refer to their notes. I got 19 correct. I disagreed with the CAA on the 20th, on a safety issue. Might have been a speed reading issue. I don't particularly follow aviation law, but the basics, i.e. Don't hit a full size, respect air traffic zones.

I live in France. I also have no knowledge of UK privacy laws.

If the exception does not work out, down the line, you will have to waste the time it takes to glue a wing rib in place, and take the test.

10/11/2019 18:57:02

well put Martin.

Thread: Charge rate ???
10/11/2019 18:49:49

3rd reinforcement of opinion.

Edited By Don Fry on 10/11/2019 18:51:24

Thread: The Gov't, CAA, BMFA & UAV legislation thread
10/11/2019 17:23:40
Posted by Mike Etheridge 1 on 10/11/2019 17:00:53:

You boys are not taking this issue seriously, I can see that sorting out Brexit will take less time ! I am not sure why you A-certificate holders do not need to take the CAA test. In future I think you should all take the test and if you were to fail it you should hand your A-certificates back! If you were all to take the test, the administration task could be sorted out in a week and you could all start to daub your Operator ID's on the sides of your planes prior to the election and Christmas!.

With low tack stickers.

10/11/2019 14:52:00
Posted by Martin Harris on 10/11/2019 13:47:42:

This poses an interesting possible defence to a charge of failing to display your registration - if the label must be removable, what happens if it "must have come off during the flight somewhere - honest Guv"?

And, if before flight, but I don't intend to actually fly it orficer, I swear on my grannies life.

10/11/2019 09:30:04

Or Cymas, you go round all your mates in the Destroy the World by Drone Society, and take the test for them. After all, no point in breaking laws unnecessarily.

Thread: Avicraft Panic
10/11/2019 09:24:00

Thank you Steve, I will examine the prop box for 6 inch offerings.

09/11/2019 18:16:36

Nice colours Mike. Gives me a bit of hope.

It's been a trial to do. Not the kit, or the build, but me. Can't be bothered. And I need a hack.

09/11/2019 15:51:39

I'm just getting around to finishing a current kit Panic. I have an ASP 75, and an OS 90 FX, and have drilled out the mounts to take either. I am inclined to shove in the ASP, if only to put it to work.

What pitch prop. I assume six inch. Any observations?

Thread: How many on-going projects and unstarted kits do you have?
09/11/2019 15:04:49

Guilty. Not saying how much.

Thank you for your shopping list.

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