Don't forget to check your spam folder if you don't get an activation email after joining!!

Scratch Built ASW17 1/3 Scale

Let us all watch your new project progress.
Chris Bowles
Posts: 97
Joined: 18 Mar 2015, 16:12
Location: South Devon

Re: Scratch Built ASW17 1/3 Scale

Post by Chris Bowles »

Hi a bit more done, cut out the doors for the retract, hinged them and fitted the torque rods to keep the doors closed, have been using torque rods for awhile 0.3mm, fit and forget, can be a bit of a pain getting the tension just right, so this time made up a couple of adjusters, when happy with the tension tighten up the cap screw, you can see them either side of the RX, made up the wiring harness for both wings, everything worked first time, made up and glassed in the frames for the retract, did think about moulding a mudguard for the wheel, in the end took the easy route and made up a cover for the retract unit, might stop some of the grass getting inside, time will tell
For battery power using 5500mah 3s lipo X 2, need the weight, but only using 1 at a time, fly for one day, then swap over to the 2nd battery for the 2nd day the Jeti bec gives me telemetry, input volt, output volt, capacity used, plus alarms can be set, all the servos are HV, at the moment set at 8 volt
Attachments
20191115_145657.jpg
20191115_145857(0).jpg
20191115_145737.jpg

Chris Bowles
Posts: 97
Joined: 18 Mar 2015, 16:12
Location: South Devon

Re: Scratch Built ASW17 1/3 Scale

Post by Chris Bowles »

Hi, well have now finished the model, everything working, model balanced, ready for the first flight, put the model on the scales, came out at 11kgs, very happy with the weight, the next post should be flying shots
Attachments
20191118_112643.jpg
20191118_112736.jpg

Chris Bowles
Posts: 97
Joined: 18 Mar 2015, 16:12
Location: South Devon

Re: Scratch Built ASW17 1/3 Scale

Post by Chris Bowles »

Thanks Cliff, you might get to see it in the flesh, next year, missed you a couple of times this year, by a day

roo Hawkins
Posts: 833
Joined: 18 Mar 2015, 20:12
Location: Northamptonshire

Re: Scratch Built ASW17 1/3 Scale

Post by roo Hawkins »

Well done. Hope the maiden go well

User avatar
B Sharp
Posts: 727
Joined: 19 Mar 2015, 17:18
Location: Perthshire

Re: Scratch Built ASW17 1/3 Scale

Post by B Sharp »

Very nice job as usual Chris. Hopefully I will see it at some point next year.
Brian.

Chris Bowles
Posts: 97
Joined: 18 Mar 2015, 16:12
Location: South Devon

Re: Scratch Built ASW17 1/3 Scale

Post by Chris Bowles »

Thanks Roo, winter is not the best time for a maiden, but if a window appears I will take it
Brian, I am sure we will meet up somewhere next year, and if the maiden is a success I will bring the 17 with me, if only to out fly Bobs DG 1000

Chris Bowles
Posts: 97
Joined: 18 Mar 2015, 16:12
Location: South Devon

Re: Scratch Built ASW17 1/3 Scale

Post by Chris Bowles »

with the weather being what it is, thought this might be a good time to get on with the winglets, tried something different this time, cut a piece foam to the tip profile, then cut the underside, but not all the way through, bend to shape, tack in place with 5min epoxy, then mix up some skining epoxy with light weight compound filler, fill all the gaps, when set this can be sanded to a nice curve, cut and carve the balsa tip and glue in place, then cover with 80g class cloth and epoxy. also decided to add wheels to the tips, thought about moulding wheel mounts, but come up with a easier fix, fiber board cut to go over the joiners, and the outboard one tongue and groove into the bottom, not alot to cause much drag, will be able to swap over the tips and see if there is any difference, unlikely
Attachments
20191205_090045.jpg
20191215_111714.jpg
20191215_111757.jpg
20191215_111828.jpg

John Vella
Posts: 240
Joined: 20 Mar 2017, 22:09
Location: UK

Re: Scratch Built ASW17 1/3 Scale

Post by John Vella »

Chris, you have done a great job with your build. As a matter of interest we had interchangeable tips and winglets on our full-size DG800 glider. The winglets didn't seem to make much difference although the manufacturer claimed another point on the best glide. They looked very smart anyway. Regards John.

Chris Bowles
Posts: 97
Joined: 18 Mar 2015, 16:12
Location: South Devon

Re: Scratch Built ASW17 1/3 Scale

Post by Chris Bowles »

Thanks John, yes the winglets could be like the cars we drove in the 60's white stripe's gave you 5mph extra, but gliders with winglets do look good

Post Reply