Dusty Posted May 4, 2008 Share Posted May 4, 2008 Hi guys,I have been putting this together over the weekend and have come to the time of choosing the correct powerplant for this model... I have read on some other forums that a 46 is abit underpowered for this model even though the manual recommends a 40-46 2 Stroke. Well with out having to break the bank I have a Irvine 46 and a O.S 46 LA that I have mounted on the Tucano already as the motor was on mount already and had the same dimensions as the cheap mount that comes with kit!Something is telling me that maybe the 46LA will be too under powered for this bird as its a big model and seems to getting heavier as the building process continues?So before I hack the lovely cowling away amyone with this model or has owned one some confirmation on what to go for on the front please? Quote Link to comment Share on other sites More sharing options...
winchweight Posted May 4, 2008 Share Posted May 4, 2008 I have this model and absolutely adore it!Mine has an Irvine 53 up front turning a 3 blade prop with an ally spinner. It goes like hot snot. It is the very best model to fly, docile and easy to land, yet fast and aerobatic when you want it. It easily out paced a friends H9 Spit with a 120FS up front. It's fab with the 53, go on, you really, really won't regret it.If you go to RCMF there's a pictorial guide to fitting air retracts to it, something I intend doing this year too.PPS - spare parts are readily available from Tower Hobbies in the USA, and they deliver way faster than Ripmax. I am looking for another, where did you get it and how much was it? Quote Link to comment Share on other sites More sharing options...
Chris Beer Posted May 4, 2008 Share Posted May 4, 2008 mine had a 70 fs as it was very tail heavy Quote Link to comment Share on other sites More sharing options...
Dusty Posted May 4, 2008 Author Share Posted May 4, 2008 Hi I got it off Ebay for a bargin, Its been sat in the cellar for months! I deceided to start on it yesterday! Had a broken wing rib near the servo housing in the wing, also there was a serious crack under the wing sadle! I removed the covering and did some DIY, I think I might coat the inside with epoxy as it seems very weak in that area! Yes retracts would be better on her but an effort to do and time! I have Spitfire, P-51 and a Zero on the way with retracts so...Ya yours looks hot the ali spinner and prop is cool! So the 46LA wont fly this bird too well then? I guess I will have to hunt around for a motor wich I didnt want to do. I am saving my thunder tiger 52 4 stroke for the Spit or Tang.How did you cut the cowling for the engine, it looks neat, other pictures I have seen the guys have butchered her good and proper, the cowling is great on this kit! Ya Tucanos rock, I have the leki HET ones and they sweet as well! Just stuck on the motor choice for this lol! Quote Link to comment Share on other sites More sharing options...
Dusty Posted May 4, 2008 Author Share Posted May 4, 2008 The Irvine 46 I have might be better choice? Or you still staying power up to the 53-55 size? Quote Link to comment Share on other sites More sharing options...
Dusty Posted May 4, 2008 Author Share Posted May 4, 2008 Chris Beer wrote (see)mine had a 70 fs as it was very tail heavyDoes had bit mean that you no longer have the model or changed the motor? Quote Link to comment Share on other sites More sharing options...
Dusty Posted May 4, 2008 Author Share Posted May 4, 2008 Shaun http://www.global-rc.com/onlineshop/index.php? Here is another Tucano but bigger with retracts and split flaps, looks pritty awesome! I got a Cessna 182 from these guys and was happy with it! They have a Ebay shop and they can communicate in English so you might be able to Ebay one and pay less than the shop price! Quote Link to comment Share on other sites More sharing options...
winchweight Posted May 4, 2008 Share Posted May 4, 2008 Nice Tucano on the link there, but a bit expensive! My 53 is a 2 stroke and is fairly heavy. Because I used the ally spinner and the 3 blade prop, I didn't need to add any weight to bring it into trim. As for the cowl, I have a spare from Tower Hobbies in case I decide to change the engine, and for when I fit the retracts. It is a faff to do, but the end result is really worth it. I cut it myself, using tape to decide where the holes go before cutting and drilling. As for the engine size, the OS46LA will not cut the mustard. A standard 46 probably would, but the 53 gives it that extra grunt and allows the 3 bladed prop. I would deffo go with a 53, mine came second hand from eBay.The u/c legs are a bit feeble though. So if you decide to go with the retract mod, here's the RCMF link http://www.rcmf.co.uk/4um/index.php/topic,34772.0.htmlAnd the maiden reporthttp://www.rcmf.co.uk/4um/index.php/topic,36553.0.htmlAs you can tell, I love this model! Quote Link to comment Share on other sites More sharing options...
Dusty Posted May 5, 2008 Author Share Posted May 5, 2008 Hi Shaun,Ok great, I am going to have a hunt for a motor now! Ok will save the cowl for when I can power up, i will save the 46LA for smaller model!Yes I did change the wire on the U/C, I had Graupner Super Air 2 that crashed and burned, I used the U/C from that as it seems tougher and never gave me any probs on the Super Air 2.Thanks for links going to have a read now and start on the motor hunting! Quote Link to comment Share on other sites More sharing options...
Dusty Posted May 5, 2008 Author Share Posted May 5, 2008 Mmmm... Irvine 53 ABC8.65cc, wieght 385gPRICE £79.00 + £15.00 P&PSC 528.82ccweight 438gPRICE £49.99 + £10.00 P&PHad a quick look on Ebay but there was'nt much! These engines are from Mailbox models. Quote Link to comment Share on other sites More sharing options...
winchweight Posted May 5, 2008 Share Posted May 5, 2008 Good prices. I doubt there's much in it between the Irvine and the SC. Both are good makes of engine. Odd how the cc differs between them though.Just Engines do the ASP 52 Long Stroke for £59.98 inc vat, and the J'En 57 for £62.99 inc vat.http://www.justengines.unseen.org/acatalog/Two_Stroke_Engines.html Galaxy have the SC 52 for £44.99!http://www.galaxymodels.co.uk/results.asp?subt=SC%20Engines Quote Link to comment Share on other sites More sharing options...
Dusty Posted May 5, 2008 Author Share Posted May 5, 2008 Thanks for the link, postage is pritty high from them to me in Germany! I might have to settle on the SC 52 as its at a tempting price and more power? How reliable I dont know? A dummy glow plug adaptor to from mail box models will save hacking the cowl! The Irvine 46 MkIV I have specs at 7.45cc, so seems like everyone is powering up a good 1cc or so, or alot more than the factory 40! I see in the manual on the photograph of the engine mounting they are using what looks like a O.S 46FX?Here is the Irvine on the front, O.S muffler so alot more clearance to the side of the fuz! Have you read this forum on the model? They go into the retract conversion etc http://www.rcuniverse.com/forum/m_5868622/tm.htmA lot of mixed feelings on the motor for this again...Here is the Irvine, Heavier and bigger.. Quote Link to comment Share on other sites More sharing options...
winchweight Posted May 5, 2008 Share Posted May 5, 2008 It should be fine, I just wanted a bit more oomph! I use an onboard glow system to avoid hacking the cowl. I originally had a remote glow, but I found the fuselage was being damaged, so I went with the on board option and have not looked back.I also painted the exhausts on the cowl to a more realistic colour, not the shiny gloss black!Good luck and keep us posted. Quote Link to comment Share on other sites More sharing options...
Dusty Posted May 5, 2008 Author Share Posted May 5, 2008 Ok Shaun I am going to keep this in her then and test fly.. If I am not happy with the power then I will keep the 53 in mind or wait for a bargin! I take it a 3 blade on here will be a no no as probably about 20% decrease in performance! Ok I am going to get back to the board and hopefully have her 99% ready today, just wait to for the dummy plug and possibly a test flight at the end of the week ...See what other detail my mind can think of lol... oh ya was the 100mm back from the leading edge spot on in the manual for C of G? Any fuel tank issues on yours idling? Guys are saying they had to drop the tank to get her to idle with the engine inverted? Quote Link to comment Share on other sites More sharing options...
winchweight Posted May 5, 2008 Share Posted May 5, 2008 I trimmed her per the plan without dramas and left the fuel tank as per the design. The engine just keeps running and is very economical. I would use a 2 blade prop with that engine.Take some pics of the maiden! Quote Link to comment Share on other sites More sharing options...
Dusty Posted May 5, 2008 Author Share Posted May 5, 2008 The cowl is done after! No tears rips or cracks YES !! Fuel tank is installed, pressure tested in the sink and no leaks! The spinner will go, not a good fit! Onboard glow starter, voltage meter and Rx pack orederd along with a scale looking 10x6 prop... Fuel proofed the tank area inside, thin layer of epoxy on the inside of the wing sadle, all comming on ok till I got to the shocking pushrods! Will rectify this and install radio gear... Quote Link to comment Share on other sites More sharing options...
winchweight Posted May 5, 2008 Share Posted May 5, 2008 Looking good mate! Quote Link to comment Share on other sites More sharing options...
Dusty Posted May 6, 2008 Author Share Posted May 6, 2008 Shaun what retract system are you putting in yours? have you seen these from foramyjets?retracts Quote Link to comment Share on other sites More sharing options...
winchweight Posted May 6, 2008 Share Posted May 6, 2008 I have a set of lightweight Spring Airs for 40 sized models, but that's a very nice set though. Quote Link to comment Share on other sites More sharing options...
Chris Beer Posted May 6, 2008 Share Posted May 6, 2008 hi , i sold the airframe to fund a kit to build. Quote Link to comment Share on other sites More sharing options...
Dusty Posted May 7, 2008 Author Share Posted May 7, 2008 Whilst waiting for bits and bobs to arrive for thr Tucano I got started on this guy! Spent most of the day on the retracts... (Yes I am leave at the moment)The underbelly Blue is abit ott.... This is a Kyosho Model, I think the retracts fold int he same way as the real thing! Gear door have been modeified for a better fit and for aerodynamics! I have the P-51 in the boz as well with some Graupner retracts, wing will need modifying! Sooner postman come sooner i can maiden these birds! Answers to Shaun:- yes that retract system from foamyjets is nice, what about the price? Its tempting? go on I want to see you modify your Tuc...Chris:- Cool, sounds by your first post you didnt have a good time with the Tuc? Quote Link to comment Share on other sites More sharing options...
winchweight Posted May 7, 2008 Share Posted May 7, 2008 Dustin, I'd love to start modifying, but I ought to finish the retract mods on my Sea Fury, repair my Kalmkat, rebuild my Super Air and finish off the Transall motor setup and Mosquito mods. I also have a similar Spit in the wings, it's the 60 sized Sportsman Aviation model, but the retracts go the wrong way I have an OS91FS waiting to go in it as well.And I am away from monday for 2 weeks (barring w/e) Quote Link to comment Share on other sites More sharing options...
Dusty Posted May 7, 2008 Author Share Posted May 7, 2008 LOL... Super Air, which one did you have? Graupner? I had (have the wreck still) the Graupner Super Air II, she was a good flier till fated gliches and radio failure (soldering for the Tx arieal onto the mobo had come off) Crashed and burned, I really like the Super Air, even my wife was gutted! Ok sounds like you busy in the hanger there, i am going to keep a eye as when when you convert I think I will save up for the retracts and motor, provided the model is still around .. i was thinking of adding some dummy gear doors as the piano wire legs arnt cutting it! Ah putting some RAF decals on... Quote Link to comment Share on other sites More sharing options...
winchweight Posted May 7, 2008 Share Posted May 7, 2008 Sounds nice! The Super Air was the Black Horse one, my son extended an engine off glide for too long and stuff it in. But I adored it, so when my LHS offered me a new one for £35 I took it. I also have a Jamara FW190 which is a regular flier, 2 Gnatty's (1 new and 1 for repair), a Hurricane for restoration, a foamy jets depron hawk that needs repairing and a Priory Lanc to build. I also have the RCME Typhoon plan and cnc templates, the Vampire and the Spitfire to get around to. As well as a 63" Traplet plan Mossie to build.I need to retire..... Quote Link to comment Share on other sites More sharing options...
Former Member Posted May 7, 2008 Share Posted May 7, 2008 [This posting has been removed] Quote Link to comment Share on other sites More sharing options...
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