KenC Posted April 15, 2023 Share Posted April 15, 2023 Have started to look at my first electric power aircraft, needless to say I am a newbie at electric power . So far I have focused on a Turingy G60 outrunner motor and a 6S 5000 battery. I am now asking for suggestions / advice on a suitable ESC . The one I notices was YEP 80a but they are out of stock with no restock date. Please make suggestions based on my use of a Spektrum as3x receiver and DX8 G2 radio..... propeller as yet undecided . Quote Link to comment Share on other sites More sharing options...
Denis Watkins Posted April 15, 2023 Share Posted April 15, 2023 If it helps, props mentioned and spec from RapidRC Spec. Battery: 5~7 Cell /18.5~25.9V RPM: 500 kv Max current: 65A No load current: 11V/1.9A Current capacity: 65A/15sec Internal resistance: 0.017 ohm Weight: 360g (not including connectors) Diameter of shaft: 6mm Dimensions: 81x50mm Test Data: 14.8v - 14x10 prop - 38A - 2200g Thrust 14.8v - 15x8 prop - 41A - 2650g Thrust 18.5v - 13x8 prop - 47A - 2850g Thrust Quote Link to comment Share on other sites More sharing options...
KenC Posted April 15, 2023 Author Share Posted April 15, 2023 Thanks Denis , sadly the motor seems to be out all over in most sizes. And Hobby King YEP ESC's are a similar story ! So I guess it is read on and perhaps look at Overlander , not one Justin does I am afraid. Quote Link to comment Share on other sites More sharing options...
Chris Walby Posted April 15, 2023 Share Posted April 15, 2023 If you are starting out with electric or really can't be that fussed or don't have time then give George at 4Max a call. George can normally use his wealth of knowledge with in my case sometime very little actual information come you with something spot on! Example, Call to George with the following information, its a delta plank ply kit like a zaggie sort of, but a twin, like to use a 3S2200 lipo, probably about 2 1/2 lbs and needs to go like a bat out of hell. George specified the props, motors, and ESC's (oh and UBEC). Result it flies a treat! Now if you then want to reverse engineer the set up and work out why George selected the components then you can in the safe knowledge that it won't cost you any more or cause any magic smoke in the process! Alternatively pick an ARTF of the same size/type and copy that + stick it through one of the on line calculators to confirm their design. I tend to work backwards! What prop diameter suits the model? What batteries do I already have (can series or parallel packs if necessary) and use This sends me down a path of motor size and prop speed (motor KV and lipo combo) which determines the current and thus the ECS size (amps and cell count) IMO its a bit pointless picking a motor and then finding the prop you need won't fit the model....been there done that! Picked up a 370KV motor IIRC only rated to 4S...popped it in my Hurricane and the only way to get enough wind was a three blade prop with a frightful pitch. It did fly, but only at one speed! Quote Link to comment Share on other sites More sharing options...
KenC Posted April 16, 2023 Author Share Posted April 16, 2023 Thanks Chris , good to know there is a boffin we can ring ... George a 4Max noted. Quote Link to comment Share on other sites More sharing options...
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