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Member postings for Trevor Crook

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

Thread: Let down by FMS again
17/11/2019 16:45:54

I wore out a retract unit in my Durafly Mk24 Spitfire after over 100 flights. Got a drop-in replacement from HK for under a tenner. Another 100 or so flights completed with no further issues. I have several other retract-equipped Durafly/Avios warbirds and had no retract issues, so they aren't all bad. As said above, Flightline also have a good spares backup.

Difficult to avoid Chinese ARTFs if you want smallish warbirds that fly well, Peter. My building skills are limited to sport or simple scale models, I'm afraid.

Thread: RX8R Pro Signal Swamping??
16/11/2019 10:50:37

That's good to know, thanks Mike.

16/11/2019 10:45:21

That's good to know, thanks Mike.

16/11/2019 07:53:30

Same with my QX7 and X series rx's, telemetry swamps at close range but healthy RSSI readings at range.

Shame though that FrSky seem to be changing protocol, to one that isn't backward compatible with existing rx's, but that's a different issue!

Thread: Cremation, or Composting ?
12/11/2019 07:20:50

I don't think polystyrene foam is recyclable. Many if not most foamy ARTFs are now made of expanded polypropylene, which I'm guessing is also not recyclable. I rarely throw one of my foamy fleet away as I tend to sell them on rather than wreck them, but I wouldn't fancy one on a bonfire with the fumes!

Thread: In flames
10/11/2019 17:15:22

Yep, my rule of thumb is around 1000kv for a 3s setup. Certainly worth investing in a wattmeter to avoid such mishaps.

Thread: Autumn is here...you been flying ?
10/11/2019 17:11:49

Glorious couple of hours at the field this afternoon, blue skies and light winds. Certainly started to chill down as we were packing up though.

Thread: Lipo for trainer
09/11/2019 08:10:33

Certainly worth trying the 3s without changing anything else apart from a cg check. You don't need a wattmeter to do that, and if the performance is still ok, it means you can swop between batteries at a flying session with no fuss. I got around cg issues when using different weight packs by taping lead to the lighter ones.

Interestingly, a few years ago I tried to inject some performance into a model by going from 3s to 4s, keeping the same powertrain. To keep the current within the esc's 40A spec, I had to go down from a 12x6 to a 10x6 prop. This consumed more power from the battery than the 3s setup, but although the model made more noise the performance was about the same, demonstrating the higher effeciency of a bigger, slower turning prop.

Thread: Autumn is here...you been flying ?
07/11/2019 15:12:23

Went out in perfect conditions the Sunday before last, had half a dozen or so good flights plus some chit-chat. Also co-starred in an Essential RC video (well, for about 2 seconds, launching a little P38).

Thread: DB 60" Sopwith Pup
31/10/2019 22:33:54

I'm using some cheap Hobbyking wing servos in my Ballerina and they've been performing faultlessly for a year or so, but unfortunately have been discontinued. I would think the Coronas will be fine, especially after a session on the tester.

Thread: The Gov't, CAA, BMFA & UAV legislation thread
28/10/2019 14:30:47

I think the scheme we have ended up with is much better than feared, so hats off to the BMFA for their negotiation and for taking on most of the admin.

When I started rc flying, I had to obtain a transmitting licence and specify which post office was closest to my flying site - so much for the good old days!

Thread: NEW POLL - do you use a throttle kill switch?
27/10/2019 07:23:33

I use a long 2-position switch on the top right of my DX8, same on all my models, away from me for go, towards me for stop. My safety regime is that I only flick it forward when I'm about to open the throttle for take-off, and always flick it back before going to pick the model up. I also always check it, along with the throttle stick, before plugging in the battery.

It's nowhere near my fingers during flight, so has never been accidentally knocked.

Thread: Fairey Gannet
26/10/2019 07:11:39

Gannets to study at the FAA MuseumYeovilton and IWM Duxford.

Thread: Boddo's Biggles Biplane
21/10/2019 21:58:46

Just had the latest RCM&E delivered, and Shaun Garrity has a paragraph on the "Biggles Biplane". Spooky!

Thread: What are your three favourite war movies?
20/10/2019 21:10:36

BoB

Dambusters

12 o'clock High

I saw some of the Dambusters film on the box the other day, and would love to know more about how they filmed it. Lots of shots of a few Lancs at low level turning steeply, which appeared to be carrying Upkeeps.

Thread: Boddo's Biggles Biplane
20/10/2019 19:38:18

This is probably old news to some of you, but I got the October issue of Aeroplane from the library last week, and there was an interesting article on the "Biggles Biplane", written by Matthew Boddington. The aircraft in question is a BE2 replica which was commissioned by Matthew's father, Charles, to feature in a Biggles movie about 40 years ago. Charles approached his brother David to design it, and despite only having model design experience, Boddo set about the task, basing the design on Tiger Moth components.

The film was never made, but the aircraft flew, and made its way to the USA. Unfortunately, it was crashed here, luckily with no loss of life. It was brought back to life about 10 years ago, and now flies on the show circuit.

Matthew states "It doesn't fly very well, but then a Tiger Moth doesn't fly very well, and this has more drag".

An excellent article about an interesting aircraft, which Matthew states is a lasting tribute to his father and uncle.

Thread: Battery retention methods
20/10/2019 07:41:54

I've used a similar method to that described by Chris in my Typhoon, except the battery is retained by a glued-on velcro strap that is pulled tight across the battery's bottom end. This is then covered by a hatch, which is retained by a tab on one edge and a swinging latch on the other. Nothing has ever moved in scores of flights

Thread: Peter Miller Ballerina
18/10/2019 22:42:48

Looking good for Sunday down here in Berkshire - Ballerina batteries are charged!

18/10/2019 15:48:13

Peter, you can usually improve the performance by going up a size in prop, that's one of the big pluses for electric power. Of course, you have to make sure you stay within the operating limits of the speed controller and motor at full throttle. You can check this easily (but take care to restrain the model) using a wattmeter. If you don't have one, it's worth getting one as you seem to be getting more into electric flying. The one I have is only about £20, but I got it free with an RCM&E subscription.

My Ballerina only has about 400W, which is adequate for sport flying but won't sustain verticle.

Thread: Spektrum DX7
17/10/2019 22:40:29

C8, I believe the reason the DX7 charge connector is reverse polarity relative to common convention is that in those days, Spektrum used effectively a JR Tx case, and the two brands shared a lot of technology. For that tranny, Spektrum retained the JR convention. Don't know what JR were thinking though.....

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