Shaun Clarke Posted September 23, 2007 Share Posted September 23, 2007 Question about my Irvine 40 ABC....should i use an air filter on the carb? My engine instructions say this not necessary for a plane but surely on those dry dusty days (like we used to have once) i imagine all sorts of muck, flys etc is going to get sucked in. Quote Link to comment Share on other sites More sharing options...
Tim Mackey Posted September 23, 2007 Share Posted September 23, 2007 It is very rare for people to bother with air filters on RC planes. I did once get slightly paranoid about this problem many years ago, and used a bit of the wifes old nylon tights held over the intake with a tie wrap. Didnt seem to make any difference, so the last time it fell off ( which it did frquently) it stayed off. DISCLAIMER If you do try this, please remove wife from tights /stockings first oooeeerrr Dry dusty days eh ? - crikey which part of UK are you in !!! Quote Link to comment Share on other sites More sharing options...
Shaun Clarke Posted September 23, 2007 Author Share Posted September 23, 2007 Yeh those days are few and far between...but here's hoping. Im in Hampshire/Sussex border...town called Emsworth. Quote Link to comment Share on other sites More sharing options...
Allan Jordan Posted September 24, 2007 Share Posted September 24, 2007 Hi Shaun, Sometime ago the WOO made mention of air filters in one of his articles, he uses the type of filters that are used on r/c cars.Does this help. Allan J...TTFNJ Quote Link to comment Share on other sites More sharing options...
Former Member Posted March 25, 2010 Share Posted March 25, 2010 [This posting has been removed] Quote Link to comment Share on other sites More sharing options...
ken anderson. Posted March 25, 2010 Share Posted March 25, 2010 a few year ago they used to be a common site at our club/field...now i would say a rare'ty....more bling than practical i think.... ken anderson ne 1. Quote Link to comment Share on other sites More sharing options...
Myron Beaumont Posted March 25, 2010 Share Posted March 25, 2010 Ken Never known a "dry dusty day" up here in your so-called God's country.! Grumpy NE3 Quote Link to comment Share on other sites More sharing options...
Former Member Posted March 25, 2010 Share Posted March 25, 2010 [This posting has been removed] Quote Link to comment Share on other sites More sharing options...
Phil Claridge Posted March 26, 2010 Share Posted March 26, 2010 come on phil, what car engine revs to twenty thousand rpm with only four moving parts Quote Link to comment Share on other sites More sharing options...
Former Member Posted March 26, 2010 Share Posted March 26, 2010 [This posting has been removed] Quote Link to comment Share on other sites More sharing options...
James40 Posted March 26, 2010 Share Posted March 26, 2010 I've always wondered about fitting an air filter and was always puzzled by their absence on rc aircraft. Surely at worst, fitting an air filter can only increase the longevity of an engine by it reducing the amount of damaging particles scratching away at cylinder bore and piston rings ? Quote Link to comment Share on other sites More sharing options...
Ultymate Posted March 26, 2010 Share Posted March 26, 2010 I used to race 1/8 off road IC cars and if the aircleaner came off midrace it would cost you a piston and liner, on a 5 port OPS 21 cost of around £130 Quote Link to comment Share on other sites More sharing options...
Simon Chaddock Posted March 27, 2010 Share Posted March 27, 2010 Do full size piston engine aircraft have air filters? No unless they are involved in desert flying where sand can be present in the atmosphere to a considerable height. Once at any reasonable altitude the air is relatively dust free whereas cars spend hours following each other on dirty roads. An effective air filter is quite large and tends to reduces the volumetric efficiency of the engine. Quote Link to comment Share on other sites More sharing options...
Dusty Posted March 27, 2010 Share Posted March 27, 2010 Simon, Fullsize piston engines like Continentals and Lycoming etc have air filters inc turbo versions.... Thats why there is a function called alternate air in piston engine aircraft cockpits! Wonder what that for? Does not matter what Geographical location you in re the air filter apart from maintenance ops! peace and filter.. air filters are obvious on fullsize! Quote Link to comment Share on other sites More sharing options...
flytilbroke Posted March 27, 2010 Share Posted March 27, 2010 The only time I have used the air filters was when on the beach at Ainsdale visiting the Southport MFC. The only type I have seen have a fairly course mesh, unlike road vehicle air filters. The Southport guys I met do not use them at all, even when the sand gets dry and looks like a low height Sahara sandstorm. Would be rather complicated making a viable fine particle filter to fit the size of engines we mostly use. Quote Link to comment Share on other sites More sharing options...
John Horsfield Posted March 27, 2010 Share Posted March 27, 2010 This is my point though.........Our engines must have closer tolerances and are much faster........surely this means they need more protection? Polyphilla. Are you kidding! Compared to a car engine, nitros have sloppy tolerances, are inefficient and are basic in the extreme. Yes they rev harder, but thats only because they are so simple and the moving parts are so light. They are the exact opposite of delicate, they are rough and ready. The odd bit of dust really isn't going to bother them. Also, a nitro engines fuel, as well as being a lubricant, is also a cleaner, just as oil in a car engine also cleans. If you scaled one up to the size of a car engine I suspect that it would vibrate like hell, smash your eardrums and consume 50 gallons of fuel in a 5 minute run....delicate it is not...Edited By John Horsfield on 27/03/2010 22:58:40 Quote Link to comment Share on other sites More sharing options...
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