John Lee
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Everything posted by John Lee
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Yes, mistakes can be made and no doubt there are errors in some of the reports. However all the reports are scrutinised by the UK Airprox board (linked above) which is comprised of 14 experienced practitioners plus a number of expert advisors and undergo a rigorous causal analysis & risk assessment before the results are published. I'm inclined to take their output seriously.
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It is well documented that it is very difficult to pick out another aircraft - or drone - whilst flying, the UK Airprox Board has several documents outlining the physiology and techniques that can be applied to help mitigate the problem. We teach these from lesson 1 for full size. However once an object has been spotted the eye & brain are good at identifying it - as my earlier post illustrated & for example as JD8 observed above he could see the stick & clipboard in an opposite direction fast jet.
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The joy-rides are no longer operating but for many years an area of Southport Beach was a licensed airfield during the summer to permit the activity. After the Fox Moth a Cessna did the duty & the last I recall was a Bell 47 operating one summer. This used to return to Woodvale each evening to be extensively hosed down & lubricated. Full size are still allowed to land during the Southport Airshow weekend & there is usually a small selection of light aircraft & microlights on the ground during the display. Unfortunately not this year however due to the state of the surface. Southport MAC also do a model show for an hour or so before the full size display.
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For Southport contact Southport MAC who use the beach. Don't know about Blackpool but it would seem polite to contact Blackpool & Fylde RCMS
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Posted by Steve J on 17/12/2018 15:02:54: The problem is that the numbers of airproxes have shot up in the last few years (i.e. since easy to fly FPV/multirotor SUA because available.). Steve Indeed they have, here are the official stats published monthly by the CAA
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It varies dependant on the class of airspace, but in general for most civil air traffic there is an speed limit of 250knots indicated airspeed below Flight Level 100 (10,000ft)
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Wonderfully nostalgic film from the days when we had hair, thank you Pete. Whilst I lived the other side of the country it is almost a mirror image of our activities - to the extent that I also had a Saturn Skydancer & flew the full size Colt (not to mention the Daf car lurking in the background at one point!)
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Posted by Steve Hargreaves - Moderator on 16/12/2018 14:25:20: A thought that occurs to me....as we all know air gets "thinner" as altitude increases. I wonder at what point it gets too thin to allow the drone to fly? I would guess at significantly greater altitude than 10,000 feet but it must surely start to become a factor at that height..... DJI do 'high altitude' propellors for their Inspire drone for flights above 2500 meters, which they say can be used to 5000 meters - about 16,000 ft.
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There is thread about the use of RC models in the BoB film here.
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As a full size flying instructor I find it pretty easy to distinguish a seagull from a magpie at 130 knots, I'm pretty sure I could tell a drone from a bin bag.
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They are probably referring to the 160WattHour limit for Lithium based batteries which is an ICAO limit. Not applicable to NiMh batteries. There is information on the CAA Website if you are interested.
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Is this some sort of new propulsion I've never seen before?
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I & friends have carried a Txs & other bits many times going to the RC Hotel in both hand & hold luggage without any problems.
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So glad I bought the RC Gloves when they were available, discussed in this thread where I did a review. 5 years on and much worn they are still as good as new, I was flying with them yesterday in comfort. For the feet I use Muck Boot Artic Sports, again expensive but again you get what you pay for, they are also like new after 3 years & effective in keeping the feet warm in sub zero temperatures.
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Depends what generation your Dx7 is but it's quite straightforward with the present software using 2 Mixs. In Function Mix>Mixing: Mix Ail>Rud 100% Left & Right this operates the rudder output with the Aileron stick then Mix Rud>Rud Rate -100% (Minus 100%) Left & Right. This disables the Rudder Stick output, but leaves the Rudder operating on the Aileron stick. Edited By John Lee on 22/11/2018 14:52:18
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Posted by Paul james 8 on 22/11/2018 13:23:40: Although we get around the direction of servo travel by using separate channels these days it would still be useful to be able to buy "handed" servos for jobs like this. You must remember the days when we used to buy a reversed Futaba servo with a blue dot then! Perhaps you could just try applying some blue dots.........
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Glad it's worked Paul. If you want to reverse one of the flap servos you can't of course use a Y lead unless you reverse it mechanically. If you select Wing:2Ail 2Flap you will need at least a 7 channel Rx (Motor, Run, Ele, 2 Ail, 2 Flap =7) and the Left Flap will be assigned to the Gear Channel & the Right Flap to Aux 2. You can then reverse one of the flap servos in Function List>Servo Setup. An option for a 6 channel Rx is to use the Y lead on the ailerons & set the wing type to 1Ail 2 Flaps & then reassign the GEAR output to L Flap using the Rx Port Assignment screen. Just be careful in your Rx search, there are plenty of dodgy cloned Spektrum Rx's about, I'd suggest you only use authorised outlets. Some of the bigger ones (eg Al, Sussex, TJD, Inwood) sometimes have bagged Rx's from when they split a Tx/Rx combo in the shop which can be picked up at a good price. Could be worth ringing around, they often don't appear on-line.
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Another characteristic of Spektrum you may not be familiar with Paul is that the menu logic is such that options do not appear if they are not appropriate to that model type. e.g. you will not see the 'Flap System' menu if you have not told the Tx that the model has flaps in the Aircraft Type menu. You will not see the Crow Menu unless you have selected a 'Sailplane' Model Type etc. It may save much grief to set up each model with a fresh memory & work your way logically down the 'System Setup' menu before trying to set up anything in the Function menu.
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There are several generations of the Dx8, but for the last few years the way is: Hold down the roller when you switch on to enter the 'System Setup' Menu. Scroll down to Aircraft Type, click. Scroll to Wing:Normal, click, Rotate roller until you get to Wing: 2 Ail 1Flap click. Click Back button (the lower of the 2 buttons to the left of the screen) Scroll down to Channel Assign You will see that the Tx has assigned the Rx ports to AIL: Right Ail AUX1 Left Ail GEAR: Flap, these are all changeable if you wish, just click & scroll to change, but for the moment let's just leave them as the default. Click Back button twice. You should now be on the main (flying ) screen. Click Roller to enter the Function List and scroll down to Flap System, click roller. Scroll down to Inhibit. Click Roller. Rotate roller to select the switch you want to use for the flaps, or just toggle that switch & it will appear in the box by magic. Click Roller & the menu expands enabling the Flap servo movement for each switch position to be set up with the corresponding elevator compensation if you need it. You can also change the switch for the flaps in this menu and the servo speed if you want a slow deployment or retraction. When set up click the "Back' button to exit. For me it's simpler than Futaba. The other things to note when changing from Futaba is that the throttle stick works the opposite way by default (So if you have reversed the throttle on your Futaba Tx on the Spectrum it needs to be Normal) & Expo is calibrated oppositely, so you will need positive expo on the Spektrum to soften the centre, not negative. Edited By John Lee on 21/11/2018 15:47:08
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From the Spektrum Flight Log User Guide and Rx installation guidelines: Guidelines for DSMX Holds—Holds are unacceptable. If a hold occurs, please investigate and correct the issue before next flight. Frames—<100- In conventional models during a 10 minute flight, frames should typically be less than 100 on all receivers. Fades—Use Fades for comparison only. All attached receivers should have similar Fades. If not, investigate poorly performing receivers (location, antenna orientation, etc) and correct. IMPORTANT: If the antenna is to be mounted internally (in the front of a 2.4GHz fuse), the coaxial can be taped into position. Ensure the 31mm tip is located at least 2 inches from any significant carbon structure. Edited By John Lee on 12/11/2018 12:32:43
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The full specs are given on page 18 of the manual which of course contains much other information. Link As others have said it's superb model that flies really well. I've had mine (the RR version) for a couple of months now and whilst it flew well straight off the board I found I needed to spend quite a bit of time fine tuning to get the most out of it. I've ended up with the most complex setup I've ever programmed as you can have the flaps used conventionally for positive (thermal) or negative (speed) camber which I have on a side lever. Then I have coupled flaps & aileron for aerobatics, or opposite flaps & aileron for crow braking all needing different elevator compensation for the different modes and appropriate switches to enable or inhibit. I also have the throttle stick operating both the motor and the crow, using different flight modes.
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I use my ball link pliers, they don't always fit the job though, then I struggle like you Den. In the latter case do the assembly inside a large transparent plastic bag so that at least when it goes 'ding' & tries to escape you don't have to scramble on the floor to search for the little blighter.
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fb3 can't you just position the plans so that the bottom of the fuselage is on the edge of the building board, then assemble the fuselage on its side with the U/C dangling in the air?
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Posted by Martin McIntosh on 04/10/2018 22:30:59: I have a very much under used Taranis and as I understand it the X8`s give model match but not the D8`s. I normally use a JR DSX9 and there is no way that I have discovered which allows binding to two Rx`s simultaneously. I can bind my DSX12 to two Rx's. Just insert the bind plugs into both Rx's turn on the Tx in bind mode & both will connect. Agree in normal use once one is bound to the Tx it will not connect to another.
