Foamboard dlgs

[bracesport]

Like chalk and cheese - many production DLGs have a shrink skin, so it is mystery alright!

 

[flyboa]

@bracesport my mistake was applying the shrink film with an iron that was too hot. It also did not adhere very well which caused wing flutter on launch.

I have been flying these 1.5m DLG in weights from 135g to 190g with good results. The heavier ones can float just as good as the light ones and tend to fly like they are on rails. This one is 156g AUW.

 

[bracesport]

@flyboa - very nice to watch - looks like you have no wind to speak of!

Reading between the lines my ship at 280g will not be pretty! I will certainly try to launch it but maybe it will be destined for the slope!

 

[flyboa]

I cut the center 8" off this damaged wing. Now it is a 52" wing that I am going to put on my Vorpal fuse.

 

[bracesport]

@flyboa - I wonder what the sweet spot is for the wing size - I have my new ship 95% ready (just waiting on some electronics) - in the meantime, I have been building a couple of spitfires - there is a feeling here the winter is turning towards spring! I have a great big pile of planes to maiden!

 

[flyboa]

@bracesport All wing sizes seem to work for me. I like the idea of getting a used fuse and putting one of our wings on it as a cheaper hybrid version DLG. Our summer is still going strong. 43°c today.

 

[flyboa]

Here are some of the supplies.

1.25mm JST connectors
Drywall fiberglass mesh tape
Heat shrink 3mm and 1"
PVC heat shrink 50mm. Pod cover.
2" blue foam sanded to pod shape and shrink pvc over. Also for a sanded nose that is hot glued to front.
.012 Beadalon 12 strand wire and 1mm crimps
.015" music wire
.039" music wire
Walmart transparent tape .75"×1300"
Duck brand clear packing tape
30ga silicone wire
Carbon tow 12k
4mm carbon flats
6mm carbon tube
Balsa tails 3/32" 4×36"

Plastic stock, credit cards
Popsicle stick for throw blade
Sand bag
Original gorilla glue
Hot glue and denatured alcohol to release glue
5 min epoxy
Beacon fabri tac or 3 in1 glue and acetone for thinner
Damp sponge
Metal yard stick
CA glue and accelerator
80 grit sand block
Dremel with cutting wheel

And thats not all. No wonder people would prefer to get an ARF rather than build their own

 

[bracesport]

na - spoils all the fun!

 

[flyboa]

@bracesport New mid-wing design. I tried this before and thought I would give it another try. Dihedral came out too low but it was still pretty stable in the air. AUW 150g.

 

[Wildthing]

@bracesport New mid-wing design. I tried this before and thought I would give it another try. Dihedral came out too low but it was still pretty stable in the air. AUW 150g.

Dang that's light.

 

[bracesport]

@Wildthing @flyboa - yip we have a wee way to go in the lightness stakes! 🌎🔨

 

[bracesport]

@flyboa - what is the definition of ‘mid wing’ ? ✂️🏋️‍♀️

 

[flyboa]

@flyboa - what is the definition of ‘mid wing’ ? ✂️🏋️‍♀️

How it is mounted to the boom. Top, middle, or bottom. High, middle, or low wing.

 

[flyboa]

UMX gear installed. 3 channel Ready for another light 1.5m DLG.

 

[bracesport]

@flyboa - I think mine is just too heavy - so I am going to make another one with no frills (I also bought some CF flats) - do you just hot glue the wing onto the CF boom?

 

[flyboa]

Yes, just a thin bead of hot glue while it sets up then a light fillet. Cover with tape near leading and trailing edges.

 

[flyboa]

Almost finished. AUW should be less than 140g. Boom is from an old fly rod.

 

[bracesport]

@flyboa - have you documented all your derivatives to create the flyboa-supreme-DLG?

what is your exposed boom length from TE to end of the boom? Mine could be a tad long also contributing to the tail weight bias?

 

[flyboa]

@bracesport no documentation just building and flying custom DLG. Boom length from TE to end of boom is 558mm.

 

[flyboa]

Maiden flight this morning. Fly rods do fly.