Bruce Richards Posted June 29, 2008 Share Posted June 29, 2008 Can anyone recommend a tried and trusted power setup for the Ripmax EP Spitfire to replace the standard 600 brushed motor? kv, prop size and and current are of more interest than specific brand and models but brand and model numbers would also be interesting.ThanksBruce Quote Link to comment Share on other sites More sharing options...
Tim Kearsley Posted June 29, 2008 Share Posted June 29, 2008 Hi Bruce,I used an MVVS 3.5/1200 motor in my Ripmax Spit. It drops straight in with no mods needed and performance has been superb. I use a 10 X 7 prop and measured a peak current draw of 34A, equating to around 350W. I normally use a 3s 3200 mAh LiPo and generally get flight times around 10 minutes.Hope that helps.Cheers,Tim. Quote Link to comment Share on other sites More sharing options...
winchweight Posted June 30, 2008 Share Posted June 30, 2008 This is what's in mine. No dramas to fit, although I did have to cut the mount down a littlehttp://www.brchobbies.com/?page=shop&action=additem&item=558Yet to fly it, but power tests are promising. Quote Link to comment Share on other sites More sharing options...
Bruce Richards Posted June 30, 2008 Author Share Posted June 30, 2008 Thanks for your replies gives me a good staring point. I have a couple of cheapo brushless motors in stock and I think one of those will do the job. Il will let you know how it goes. Quote Link to comment Share on other sites More sharing options...
Kelly Posted June 30, 2008 Share Posted June 30, 2008 I use this with a 11x7 prop and a 3s 3300 11.1v lipo in my Spit.TT ripper motor Quote Link to comment Share on other sites More sharing options...
Bruce Richards Posted June 30, 2008 Author Share Posted June 30, 2008 Thanks again for you help just a couple of questionsShaun what prop are you planning to us?Kevin where did you purchase that motor? Quote Link to comment Share on other sites More sharing options...
winchweight Posted June 30, 2008 Share Posted June 30, 2008 11x7E APC but I've yet to run it up with the wattmeter on it. Might get that done tonight. Quote Link to comment Share on other sites More sharing options...
Bruce Richards Posted June 30, 2008 Author Share Posted June 30, 2008 Thanks Shaun I would be grateful for any power, volts and amps figures you can provide. Quote Link to comment Share on other sites More sharing options...
Kelly Posted June 30, 2008 Share Posted June 30, 2008 Hi Bruce,Crossgates ,Leeds Quote Link to comment Share on other sites More sharing options...
Kelly Posted June 30, 2008 Share Posted June 30, 2008 Sorry forgot the web siteModelshop Quote Link to comment Share on other sites More sharing options...
winchweight Posted June 30, 2008 Share Posted June 30, 2008 Bruce, I've run it up tonight and these are the figureLoong-Max 2250 3S Lipo 20/25C11x7E APC prop12.51v (at startup) / 30 amps (full throttle) / 300w (full throttle)Trashed garage - paper everywhere, anything lightweight blown to the far corners! I'd go up again if I could, but whilst I have watts of power remaining, I've almost reached the ceiling on the current draw (max 33amps). Quote Link to comment Share on other sites More sharing options...
Bruce Richards Posted July 1, 2008 Author Share Posted July 1, 2008 300W that should make go I am planning 200-250W for mine.I did a run on the test rig: Ebay special motor 1058kv I think3S 2450 30C battery20-25A 240W Turnigy 60A Plush for test purposes only. Super simple 40A on order. Quote Link to comment Share on other sites More sharing options...
Neil Pocock Posted September 18, 2008 Share Posted September 18, 2008 Hi guysmy son brought me a Ripmax Spitfire for Christmas, only just got around to building it, I have just opend the box and their are no instructions. Can anyone help with a scaned or pdf.CheersNeil Quote Link to comment Share on other sites More sharing options...
David Ashby - Moderator Posted September 18, 2008 Share Posted September 18, 2008 Neil - hi and welcome. You could try popping that request on as a separate thread - may get more notice that way Quote Link to comment Share on other sites More sharing options...
winchweight Posted September 18, 2008 Share Posted September 18, 2008 Hi Neil. I bought mine ready built. If you get no joy, I could phototgraph parts of mine in close up to help? Quote Link to comment Share on other sites More sharing options...
Alan Brock Posted September 18, 2008 Share Posted September 18, 2008 You may be interested in my earlier thread asking the same question and the answers provided. the link is;http://www.modelflying.co.uk/forum/forummessages/mps/dt/4/UTN/4542/V/6/SP/I bought an AXI 2826/10 with Scorpion ESC and Pelikan3S 3300mAh LiPoI could copy the instructions if you are still interested. Quote Link to comment Share on other sites More sharing options...
Robert Bromwich Posted September 18, 2008 Share Posted September 18, 2008 Hi Neil if you send me your email address i will send you the instructions in PDF formatRob Quote Link to comment Share on other sites More sharing options...
Kelly Posted September 18, 2008 Share Posted September 18, 2008 Hi NeilExcellent choice .Kelvin Quote Link to comment Share on other sites More sharing options...
Neil Pocock Posted September 19, 2008 Share Posted September 19, 2008 Hi and many thanks for your replys, I phoned Ripmax customer services and asked them to send me the istructions, who said "take it back to the shop they may have taken the instructions out" I did point out that it was some time ago it was purchased.They told me "we will have to seek advice and ring you back". 1 week later and nothing.Some customer service Quote Link to comment Share on other sites More sharing options...
Vinno Posted March 19, 2009 Share Posted March 19, 2009 right I finally ordered a rippers Spit and it arrived today! just fitted in the hyperion Z-3025/8 , notice the battery bay is a lot tighter than I thought and can only get 2170 -2500 mah 3s (that I already have) in there and worried flight times may be a little limited ? What are you guys using ? Quote Link to comment Share on other sites More sharing options...
Ed Kershaw Posted March 19, 2009 Share Posted March 19, 2009 I use 2x2100 3s Maxpoly in parallel - end to end - 4200 total. My Spit's a few years old now, but from memory I think there was a small mod to the battery bay to make them fit. I think there was a cross member at the front that had to be moved forward. Motor is an Axi 2826/10 with a 14x7 prop and a Jeti 40A ESC pulling 42A static. It goes like stink and I get well over 10 mins of mostly full throttle. I think a 2170 would be a bit limited if you're pulling high 30s amps. One thing - the ply motor mounting plate pulled out in flight. I've heard this happens to others too. You might consider reinforcing it with an epoxy fillet at the joints. Oh, also the elevator joiner broke a couple of years ago during a full power dive. It made a loud vibrating noise, not surprisingly. It's now reinforced with piano wire and has been fine since. I've got one of the new kits too (as a spare) unbuilt. The build quality of the new ones seems to be much better than on my old one. Ed Quote Link to comment Share on other sites More sharing options...
winchweight Posted March 20, 2009 Share Posted March 20, 2009 I get 10mins out of a Loong-Max 2250mag 3S lipo. Not at max chat all the time though. Quote Link to comment Share on other sites More sharing options...
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