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DDH

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Everything posted by DDH

  1. The best advice I have had is to wait until all the stuff becomes law and advice from the BMFA has been published. Where further and better particulars/clarifications are subsequently required then advice should be sought directly from the BMFA. Individuals or clubs embarking on 'frolics of their own' could result in attracting unforeseen and unwanted liability - .Ignorantia juris non excusat or ignorantia legis neminem excusat !!
  2. Well said. You may care to note with the thrust calculator that it also demonstrates how changes to the values of thrust impact on the estimated air speed. e.g. varying the prop size and (especially) the pitch can significantly alter the air speed for the approx same magnitude of thrust. That said, if you want loadsa thrust you need loadsa HP/kW. There again, if you want to swing bigger or multi-bladed props then it's loadsa torque that's the key. Variable pitch props are even more interesting!
  3. Thrust calculator The results are almost as good as you'll get in practice. Check it out.
  4. Ah ha…two relevant articles in RCM&E 2019 Special Issue - Tissue and Dope - Your step-by-step guide to film covering Puuurrrfect
  5. I'm told by those who know about these things that 'Copydex' adhesive is superior to PVA: **LINK** Edited By - on 16/10/2019 07:04:22
  6. Helpful info here re repairs to foamies: https://www.modelflying.co.uk/forums/postings.asp?th=126936 http://www.crashtesthobby.com/how-to-repair-a-damaged-plane.html https://www.modelairplanenews.com/easy-foam-repair-tips/
  7. Helpful info here... https://pldaniels.com/flying/balsa/rc-model-aircraft-covering-materials.html https://www.modelflying.co.uk/forums/postings.asp?th=134799 https://forum.largemodelassociation.com/viewtopic.php?t=5238 https://www.rcgroups.com/forums/showthread.php?3131884-Nylon-and-dope-covering
  8. My Fire Bird.. Never ceased to amaze. Easily seen at night.
  9. 1 hp = 750 watts approx **LINK** 4Max link: **LINK**
  10. I use 50 Cal Ammo Box 5.56mm Steel Tin 27cm x 14 cm x 17 cm. (ex-U.S. Army/Danish NATO). Put layer of sand or ideally vermiculite on the bottom and never seal the lid down otherwise it’ll turn into a small bomb – unless you drill some vent holes that is. Stored outside in a dustbin – lipo storage charge level checked every 2-3 months. Try Google or eBay. For charging inside anywhere (e.g. house, shed, garage) – and transporting - I use Bat-Safe. **LINK**
  11. The WS1000 plugs into the a USB port on the PC and gives a wifi connection to the Tx. with Windows 10 (don't know about earlier versions). Interfaces easily with the RF8 Sim (recommended). I've used this sim on a 15.6" laptop and a 27" monitor on the PC - both work well, so you don't have to have a big screen.
  12. E Flite Turbo Timber 1.5m - BNF Basic Will fly at walking pace if you want it to. A 21st Century trainer - and beyond (e.g. aerobatics etc) Made of Expanded Polyolefin (EPO). If you break it, get out the glue and stick it back together. Where beyond repair, spare parts are available. Comes complete. Just add battery and a Tx (Spektrum, of course). Details given here :**LINK** The Spektrum AS3X Rx it comes with can be swapped to a standard Spektrum Rx for the BMFA ‘A’ and ‘B’ Certificate tests.
  13. Wheelspin Models ship worldwide. Good prices and excellent service too. **LINK**
  14. Overlander RC6-VSR 80W 7A AC/DC Charger Highly recommended. Further details at **LINK**
  15. Falcon Aviation’s premises as shown on Google maps: **LINK** Impressive, what ☹
  16. Try these links: **LINK** **LINK** **LINK** This site can’t be reached www.falcon-aviation.co.uk’s server IP address could not be found.
  17. Nu Me 1 please be mindful that you will need a BMFA ‘A’ Certificate before you can fly your finished build on your own. If the CAA gets its way (rather, when it gets its way) it will (by all accounts) be law this October. Then, flying without the said certificate voids the BMFA insurance cover. Hope you have a good flying club not too far away that you can join (ASAP!) and get properly trained (and certified). Clubs will (should) have their own trainer airplane (or two) and their own dual Tx’s (buddy system) that have been set up for the trainer(s) they use. So don’t expect to be able to use your own model for training. If you join a club, you can run the build and training in parallel and, if things go well, your model will be ready by the time you have your ‘A’ Certificate. Then, away you go… Just a thought. PS. I’ll look forward to you posting the build pics.
  18. Civil and military pilot trainees spend hours and hours (and more hours) on flight sims before the ‘real’ thing. A lot of this training is about obtaining competence with very complex avionic system familiarisation and squillions of instrument displays etc. Nonetheless, RC models sims can be a very useful and helpful tool. In this context, it’s about visio-spatials. Training eye/finger co-ordination is the key. A skill to be learnt/developed, like first riding a bicycle/motorcycle/scooter, driving a motor car, playing golf, such that this co-ordination no longer becomes a conscious response. [Note: if you have found you literally can’t do any of the aforesaid then you will have a big problem with flying!] While it’s all a matter of personal preference, I’m an RF8 fan. Breeze to install and use (Windows 10). Wonderful graphics with screen shots and flight recording. A number of ‘challenges’ (some may say ‘games'} to aid visio-spatial skill development. A plethora of models to chose from – trainers, other top wing stuff, bottom wing intermediate/advanced, gliders, powered gliders, helis, jets, and even a STOL or two (Harrier, V-22 Osprey). Remarkable how the fight characteristics of all the models are so different. You can alter the visual size of the model without it affecting its aerodynamic behaviour – it’s so you can see it better, but to the flight software it’s the same size. Cunning! I’ve used a 15.6” laptop and a 28” desktop without issue. Never ceases to amaze how the brain adapts to the visual scale. So, you don’t’ need a big PC monitor. However, laptop/desktop sims will lack the reality of width of peripheral vision and (especially) the depth-of-field. But, crashes are not an expense!(see my avitar - nose in the ground) If you have a Spektrum Tx there is a Spektrum WS1000 USB dongle available (about £28) that wi-fi connects, so no cable [don’t know if it works with other brands of Tx]. Just a thought. Edited By DavidH on 14/07/2019 20:12:36 Edited By DavidH on 14/07/2019 20:13:10
  19. All Square Wing Rib Building Gauge from SLEC, who state: “This ensures those ribs are perfectly upright & square on the building board. Easy to use & slotted for 1/16 x 3/32 x 1/8 (1.5mm, 2mm, 3mm). It also acts as a double thickness gauge.” 4 per Pkt – not cheap at £1.99 though.
  20. Ventured to the Weston Park air show yesterday (Saturday). Mistake. Cold, dark, pricey (£14 entry fee - no BMFA member discount either), muddy and quite windy. I left after about 2½ hours – got bored stiff. Turned out Friday weather was OK after all and today (Sunday) reportedly not a lot better expected than yesterday. Should have stuck to my original plan and gone on Friday for the ‘best’ of the weather. Bummer. Last time I went to Weston was 10 years ago. It was all a thrill then and I’d join the queues of buyers and purchase about £200 of stuff, spending the whole day there (wasn’t always sunny, warm and mud free). Now a victim of its own success me thinks. Soooo many people – and cars (maybe not far away from having to become a ticket only event to ‘limit’ numbers). Car parks filled up very early (plus those already there from the many campers and caravaners), so about a 10 minute walk from the car to the action. More than double the trade stands (and chuck wagons) than 10 years ago. But get this, unlike then, I saw very few people buying things – not a queue in sight. I bought nothing – apart from fish and chips for £8 (quite nice too). I’d guess the internet is having the same effect as with the high street – there again I’m now blessed with Wheelspin Models and Mike’s Models not being far away. I understand there’s an overabundance of the now-must-have sport type models doing repetitive prop hanging and often generating smokescreens Zzzzzzz... All look-a-like stubby clipped wings with big petrol engines and an absence of ‘character’. Heck, with a big enough engine, you could fly a brick. Hence my getting clinically bored early on – the cold, wind and mud (and lack lustre trade stands) certainly didn’t help. So overall, 1/10. Others, of course, will have found things to the contrary. Hope they did. Trust I'll find the LMA show at Cosford in July is better. At least I can have a wander around the RAF museum for free if serial ‘boredom’ and/or rain and cold wind sets in. PS. A display flyer doing impressive things with a large bi-plane inexplicably left the display zone to perform various aerobatic feats over a car parking area to the rear of the front stalls. Not a warning word from the commentary box. Baroness Vere and Dame Deirdre Hutton, plus their quango mates, would have loved to have seen that one! Astonishing.
  21. I learn Dr Anna Jackman was appointed Specialist Adviser to the Science and Technology Committee Inquiry. She’s a lecturer in political geography (no I haven't either), with an interest in drones. At least it wasn’t Jo Brand. What about the rest of ‘em. The Aviation Minister is Baroness Vere - hard-core remainer and former Executive Director of 'Conservatives In’. She failed to become a Tory MP (came third) in 2010 general election and was duly rewarded by elevation to the House of Lords in 2016 as Baroness Vere of Norbiton. The CAA (bloated expansionist quango) Chair is Dame Deirdre Hutton (formerly of the Food Standards Agency – well, burger wagons at air shows can pose risks to aircraft when flown above 400’] - labelled in the media as the “££££Queen of Quangos££££”. Richard Moriarty as CAA CEO, is a dedicated career quango-ist - Legal Services Board, water, energy, aviation, postal communications, and social housing. Doesn’t get much better. The rest of the CAA top-dogs (and cats) listed have backgrounds in Australian energy, rail freight and consumer goods industries, railways infrastructure law, accountancy, quality assurance in higher education, the RAF police and, wait for it, drum roll… the Battersea Dogs & Cats Home Corporate Engagement Board. You couldn’t make it up. I assume this well-nourished CAA governing elite have travelled in airplanes and therefore know, more or less, what they look like – well, from the inside at least. To cap it all, there is everyones success story - Minister for Transport Chris Grayling. He has a BA degree in history. A BBC-ite for almost 10 years until 1993, when he joined Charterhouse Productions as MD before leaving several months later when it was wound up for failing to pay VAT. So that’s what the BMFA are up against. Prepare to be shown who’s boss. Edited By davidqc on 14/06/2019 09:22:56
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