Demon-Outlaw mix = SLOTH
I like the Screaming Demons and Outlaw planes but decided to mix the two. I ended up with a 36" span delta that looks like an Outlaw but has the Demon thin airfoil and upright engine mounting. Not to mention I build with coroplast so things had to be adjusted for the material.
So why SLOTH? Screaming Little Outlaw THing The spar is 8% thickness tapered 1/4" poplar with AL barstock center brace. http://i324.photobucket.com/albums/k...Hsparbrace.jpg http://i324.photobucket.com/albums/k...SLOTHspar2.jpg http://i324.photobucket.com/albums/k...SLOTHspar1.jpg Elevon Servos are HS-475 with XL Dubro Arms. The servos are mounted to a 1/8" ply plates glued in the wing and a piece of PVC act as a zip tie backers on the outside. http://i324.photobucket.com/albums/k...servoblock.jpg Pushrods are 4-40 but my LHS was out of right angle locks so I just used some pushrod EZ connecters. This way they are not bearing any mechanical load. http://i324.photobucket.com/albums/k...h_100_6235.jpg Engine is a Webra Speed .36 with Macs .25-.32 pre-tuned header/pipe assembly. The header is just over 3" long which I understand to be about ideal for this engine. The prop was just there for CG. Both the engine and exhaust were ebay finds. It fires up easily with a chicken stick, has tons of compression and feels like new. http://i324.photobucket.com/albums/k...h_100_6234.jpg http://i324.photobucket.com/albums/k...h_100_6233.jpg The 6oz tank sits right behind the AL spar brace, a small 6V battery sits under the hatch right behind the engine, on top of the throttle servo. CG is 13" from the rudder line. http://i30.photobucket.com/albums/c3...202011/633.jpg In Flight picture. It really flies great. Slows down to a nice high alpha and then can rocket vertical until you stop it. Launch is simple. WOT to clear it out and just let go. :) I was running an APC 8x8 at ~18,000 on the ground but switched to an APC 9x7 at ~16,800 on the ground. The 9x7 is a perfect match as others have said. Running 10% fuel and an OS #8 plug. I had to reduce the throws and add more expo after the first few flights. Once I get used to it I can't wait to explore more of the slow flight agility. it still rolls like a drill now. LOL Many-many thanks to folks who have have given me info around here, I couldn't be happier with it. |
RE: Demon-Outlaw mix = SLOTH
I haven't got around yet to designing a new version of the Demon with a big central fin/rudder like that, but believe me I've had it in mind for a while and have doodled it a few times..
Cool! MJD |
RE: Demon-Outlaw mix = SLOTH
MJD if you made one of these i would have to buy at least a couple of them. now i gotta get back down into the shop and finish my Demon. :D
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RE: Demon-Outlaw mix = SLOTH
ORIGINAL: Team_Monkey I like the Screaming Demons and Outlaw planes but decided to mix the two. I ended up with a 36'' span delta that looks like an Outlaw but has the Demon thin airfoil and upright engine mounting... Hi, nice work why not a horizontal engine solution? for me It seems more aerodynamic than upright... ciao Marco |
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