Bonzo Moon Posted September 29, 2021 Share Posted September 29, 2021 (edited) My no 7 'Lidl glider' RC conversion. My first time trying EDF, and a super maiden flight. A joy to fly.Full build details and the maiden are in the video. Edited September 29, 2021 by Bonzo Moon Quote Link to comment Share on other sites More sharing options...
Frank Skilbeck Posted September 29, 2021 Share Posted September 29, 2021 Top stuff, might be worth trying a thrust tube on the EDF as well. Quote Link to comment Share on other sites More sharing options...
Bonzo Moon Posted September 29, 2021 Author Share Posted September 29, 2021 I did think about it, wanted to keep it simple as a first time playing with an EDF. Next project will be a bit more adventurous! Quote Link to comment Share on other sites More sharing options...
SIMON CRAGG Posted September 29, 2021 Share Posted September 29, 2021 Well done Bonzo. Oddly enough have just put a 70mm EDF in the Vulcan you shared with me some time ago. 4s power!! 1 Quote Link to comment Share on other sites More sharing options...
Bonzo Moon Posted September 30, 2021 Author Share Posted September 30, 2021 10 hours ago, SIMON CRAGG said: Well done Bonzo. Oddly enough have just put a 70mm EDF in the Vulcan you shared with me some time ago. 4s power!! Great idea! Funnily enough I'm considering doing the same, either with the Vulcan or with my foamboard F22. I'm still trying to figure out the design. I want to make it simpler and lighter than that Vulcan. Or I might do it with my Lidl nose Vulcan. Any chance you could post a pic or video of your Vulcan job please? This was my redesign of the Flight Test f22. It's less heavy has a more simple nose end. It flies well but don't think I have video of the maiden. Quote Link to comment Share on other sites More sharing options...
John T Posted September 30, 2021 Share Posted September 30, 2021 Nice job Bonzo. A few years ago I did a similar conversion using a cheap 50mm EDF unit from Hobby King. To keep the ESC away from the Rx and to keep it cool I mounted it on top of the fuselage - not as neat as yours though. I'm guessing that EDF efficiency has improved since then. Although mine flies ok it's certainly got no where near the power you would think from the noise it makes! It also goes through an 850mAh 3s battery in less than 3 minutes. If I made another one I think I'd remove the dihedral though, as the roll rate is a little on slow side. Quote Link to comment Share on other sites More sharing options...
Bonzo Moon Posted September 30, 2021 Author Share Posted September 30, 2021 23 minutes ago, John T said: Nice job Bonzo. A few years ago I did a similar conversion using a cheap 50mm EDF unit from Hobby King. To keep the ESC away from the Rx and to keep it cool I mounted it on top of the fuselage - not as neat as yours though. I'm guessing that EDF efficiency has improved since then. Although mine flies ok it's certainly got no where near the power you would think from the noise it makes! It also goes through an 850mAh 3s battery in less than 3 minutes. If I made another one I think I'd remove the dihedral though, as the roll rate is a little on slow side. Yes, they suck the battery! And good idea to mount ESC on the outside. I considered it but couldn't think of an easy, tidy way to do it. Yours is in a good position there. I didn't try a roll and didn't try it at high rates, but was thinking last night of taking out the dihedral to make it roll better. As you say, dihedral isn't good for rolling. The dihedral did make it very easy to fly though, it flies itself. I think at half throttle with a bit of gliding or soaring flight time might be near 10 mins. I haven't tried it with the 800 mA 3s yet. As I said test flight was with just a 480 mA 3s. It got very warm. My first Lidl was a yellow one as in the picture. That looks pretty tidy to me! Quote Link to comment Share on other sites More sharing options...
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