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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: Need AA cells - best source for non-fake Eneloops?
26/01/2020 21:19:08

I've used these in my Frsky tranny - excellent

https://cpc.farnell.com/gp-batteries/gprhc212b234/battery-recyko-pro-nimh-aa-4pk/dp/BT06293

Thread: Mid life crisis prevention required
26/01/2020 17:45:29

Agree with Andy if you want to get to grips with the flying without having to fret about breaking something you've built - it's a foamy.

DB Sport and Scale sell trainer kits, but I think they are all designed for ic, which may present a challenge for you to convert to electric as a newcomer.

Have a look through the Sarik Hobbies website, they have lots of leccy plans/woodpacks, there must be some trainers amongst them.

Have fun!

Thread: Real Model Pilots great first experience
26/01/2020 11:26:17

May be a week or two until they are painted.

26/01/2020 11:25:18

Here they are:

p1010465.jpg

I'll need to make some little shaped wedges as the cockpit floor slopes forward

p1010466.jpg

25/01/2020 21:27:21

I needed a couple of pilots for my TN Provost, and my son is building the Gnat, so I ordered four 1/15 'Jet Provost' pilots from RMP on Wednesday. I was initially a little concerned as I didn't get an email confirming the order, but the pilots themselves arrived on Saturday morning.

They look rather nice. Never having bought something 3D printed before, I was expecting to see some "layering" but it's very fine and only slightly visible on the top of the helmets. It will probably vanish under a couple of coats of paint, but I'll give it a light rub with some 1000 grade paper.

I'll certainly use them again when the need arises.

Thread: 6 Turning 4 Burning
23/01/2020 22:18:29

I'm not sure I'd agree with the "fly in any weather" design aim, but that's down to personal preference. I like scale models to look scale, on the ground and in the air. As the B36 is so huge, even a large model is going to have a large scale ratio - even a 1:10 scale model would have a 23' wingspan. To look right, this would have to cruise at 30-40 mph and take-off and land at about 10-12 mph. In order to do that, it needs to have a low wing loading, and will therefore be impacted by strong winds. Assuming it's not going to enter competitions and have to fly in all weathers, it could be restricted to sub-10 mph wind days, when it would look very nice.

However, it's not my project, and I could never imagine building such a thing, let alone getting the weight down enough, so I'll just keep watching progress with interest and admiration.

23/01/2020 11:42:45

There's a bit of info and footage of B36's in this tale of a mind boggling incident:

https://youtu.be/p0gRHgwSGhE

Thread: Capacity checker accuracy?
23/01/2020 08:04:35

I have a little checker in the field box, and would agree that it is pessimistic. However, it is more accurate if the battery is given a few minutes to "recover" after a flight. I'm sure I've read that the discharge curve for LiPos is quite linear, and the remaining capacity can be derived quite accurately from an off-load voltage reading.

I find the field checker most useful for checking a new setup or model. I set the timer very conservatively for the first flight, and check the capacity afterwards. If the checker says there is 30% remaining, I can judge how much I can safely increase the motor on flight time by for the next flight. Of course, this can be further refined back at base when recharging.

Most of my batteries that have expired have done so by having one cell go faulty. The capacity of my packs stays good for scores of charge cycles, I must do a quantitative measurement to check how good!

Thread: 6 Turning 4 Burning
22/01/2020 09:42:07

Those wings/nacelles look very slim to hide cylinder heads and silencers properly, so ep would give a better route to scale appearence. Personally, I'd rather have a model that looked right and was quiet and easy to operate. Model engines sound nothing like the full size anyway.

Good luck with this ambitious project. I don't think the early versions had the jets, if you want to make life a bit simpler!

Thread: Recommendations please
20/01/2020 11:48:47

How fast? Mains or 12V powered?

Thread: Trendsetters and Iconic Models over the Years?
17/01/2020 15:14:00

Multiplex Twinstar. First electric model to give reasonable performance and duration.

Thread: Folland Gnat
13/01/2020 17:20:37

Quite an ambitious little project Simon, much respect. I too am a fan (sorry!) of models that have a low enough wing loading to fly at scale-like speed. Of course, this makes them more of a challenge to fly when it's windy/turbulent, and they need a lot of power to fly scale verticals such as loops, due to lack of momentum. I'm sure you know all this!

I never appreciated those differences with the HAL Ajeet. I worked for a company in the 80s that made the accident data recorder for the Ajeet, and didn't realise roll control was via tailerons.

Looking forward to hearing further progress.

Thread: Electric Flair SE5a
11/01/2020 14:06:29

Mine flies very well using a 3s setup providing 450W. Turnigy Aerodrive D3542/6 1000kV motor and Turnigy 45A esc with 4A BEC. 12x6 prop, 4000mAH Turnigy LiPo. Mine has been flying reliably for several years now using the esc BEC, but if you feel better using a seperate Rx supply, a NiMh pack will add useful nose weight - I've added lead!

SE5A 1

Thread: Blohm Und Voss BV141
07/01/2020 22:19:40

Excellent, bet you don't see another at the field! What size is it, and what are you using for power?

Thread: Phone APP for RPM reading.
04/01/2020 07:46:40

Weren't we all told some years ago to keep our mobiles away from our sensitive radio? Or were these similar warnings to those given in petrol stations to switch off phones. Now we are encouraged to us phone apps to pay for our fuel on the forecourt!

Thread: Cambrian ME109 Funfighter electric build
29/12/2019 18:50:55

For a BoB scheme, these are a good decal set for not much money. Out of stock at present though.

https://hobbyking.com/en_us/durafly-bf-109e-1100mm-battle-of-britain-scheme-decal-sticker-set.html

Thread: Greetings from Wokingham
24/12/2019 08:15:36

Hi Marc. The SE Berks site is probably a bit closer than our BADMAC field, which is about 5 minutes away from the old turf farm site.

The BADMAC website provides a contact facility here:

http://www.badmac.uk/club/contact

Alternatively if you send me a personal message via the Modelflying site I can give you an email address.

Regarding receiver prices, it depends on your perspective. A couple of weeks ago I bought, over the counter from an actual model shop, a Spektrum 4-channel receiver for £24. For a full range, telemetry equipped original manufacturer's Rx I didn't think that was too bad. I've got an FrSky Tx too, and a couple of their Rx's, which work well and cost less than £30. However, while the transmitter programming is powerful it takes some effort to learn how to set it up. Also, FrSky seem to be forever changing protocols, so not all Tx's talk to all Rx's.

Finally, if you need instruction, a buddybox system is the way to go, so check out the facility at the clubs you visit. BADMAC has a Spektrum system.

21/12/2019 10:42:39

Hi Marc, and welcome back to the hobby. I belong to the Bracknell and District Model Aero Club (BADMAC) and we have a flying site about 15-20 minutes from Wokingham. This is a relatively new location, and unfortunately the details on our website still relate to the old field. If you can pm me, I'll try to get you further info.

Radio "Sets" don't seem to come with servos these days, you are left to make your own choice!

Thread: My Spitfire Tribute
19/12/2019 17:15:43

Great video Cliff. I too have a Durafly Mk1, it is probably the most accurate scale Mk1 you can get, flies well too. Don't know if you've seen the Avios MkV, but that's just as accurate and flies even better, being bigger, with much more forgiving ground handling.

Thread: RBC Dornier 335
18/12/2019 21:29:05

Erf, I forgot to mention in my somewhat negative report of the RBC Harvard that it ended up flying rather well. I'm sure your 335 will too. One of the many, many types flown by "Winkle" Brown. I gather the ejection sequence was rather perilous.

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