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Jun 24, 2020, 12:37 PM
Retired CAD guy
birdofplay's Avatar
Anyone UP for a Jupiter Bee 1M ?

Here's a tentative layout on two sheets of MPF

Just having some CAD Fun

Bob @ Hosier Cutout service
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Jul 09, 2020, 04:44 PM
scratchbuilder
Thomas B.'s Avatar
Thread OP
Flying low....
Jupiter Bee Attack (0 min 30 sec)
Jul 09, 2020, 04:47 PM
scratchbuilder
Thomas B.'s Avatar
Thread OP
A 1m Bee....
Bob, you make me think.
Jul 09, 2020, 06:20 PM
Retired CAD guy
birdofplay's Avatar
And I almost it assembled ;>}

But life and too many other projects keep getting int the way.

Stay tuned
Jul 10, 2020, 07:10 PM
Registered User
cbalgra's Avatar
Looking forward to seeing your 1M Bee.

What are running for power?
Jul 10, 2020, 09:40 PM
Retired CAD guy
birdofplay's Avatar
It's so light that I may start with a simple 2826-6
So depending on how that works I could go with 2212-8

I mostly just use what is ON THE SHELF
as opposed to engineering a specific motor size.

I have some Box Fuse Foamy racers "Top Dawgs" that go great IMHO with the 2826-6

BTW .. mostly it's the Painting that is slowing me down.
Jul 11, 2020, 05:58 AM
Registered User
perttime's Avatar
Apparently, there's no need for a "spar" with such a thick foam wing. What about when you make it larger?
Jul 11, 2020, 06:17 AM
looking up, down under
scruffy1's Avatar
Quote:
Originally Posted by perttime
Apparently, there's no need for a "spar" with such a thick foam wing. What about when you make it larger?
for engineering overkill it's not a bad idea

in my pic of my build of thomas' jupiter shrimp, i used upright 3x1mm carbon spar behind the step in the wing, but i expect a piece of hard balsa or spruce wiud do just as well; if the wing is glued to the fuselage sides, they act as ersatz dihedral bracing
Jul 11, 2020, 07:42 AM
Registered User
cbalgra's Avatar
Thanks Bob. Should be a nice performer at that size.
Jul 16, 2020, 12:17 PM
scratchbuilder
Thomas B.'s Avatar
Thread OP

Great fun.


it is astonishing that flying such simple planes can be so much fun.
Jupiter Bee Air Race Action (5 min 8 sec)
Aug 04, 2020, 06:47 AM
Registered User
startrek's Avatar
Hi guys, I would like to build this beautiful model aircraft. I printed the A4 sheets, but I would like some advice on how to cut the sheets to overlap them without errors. It would not be the first time I do this but every time the templates come out shorter. Thanks for your help
Aug 04, 2020, 09:19 AM
Registered User
perttime's Avatar
Quote:
Originally Posted by startrek
Hi guys, I would like to build this beautiful model aircraft. I printed the A4 sheets, but I would like some advice on how to cut the sheets to overlap them without errors. It would not be the first time I do this but every time the templates come out shorter. Thanks for your help
I would avoid cutting, if at all possible.

The plan has alignment markers near the corners. The best I can think of is having a sheet of glass, with light shining through it. Then you can also see the markers through the paper. I don't have a huge glass table but have managed to put a few sheets together working against a window pane.

With a building board that takes pins, you could put pins through the alignment markers to get the A4s aligned.

... I love it when a plans allows you to only tape together a small number of sheets, like 2 pieces for a fuselage, 3 pieces for a wing, a single piece for a stab, etc.
Aug 08, 2020, 07:40 AM
Registered User
startrek's Avatar
Thanks for tips!
Which glue use? normally I use Uhu por, but there is a good alternative?
Aug 09, 2020, 03:56 AM
Registered User
perttime's Avatar
Uhu POR is proven to work. I'm pretty sure there are other glues that are similar enough.
CA (including foam safe) is usually too brittle.
White glue (PVA) can work but it takes long to dry.
I recently glued foam with a general purpose glue branded "No More Nails". No apparent issues (yet?).
People have used Hot Glue on foam. I have no experience.
Aug 09, 2020, 05:03 AM
looking up, down under
scruffy1's Avatar
my favourite for depron is a local version of polystyrene glue called "multihesive"


https://www.rokset.com.au/product/prep-multihesive/

according to the label, it glues pretty much everything - dries clear and my experience with the jupiter shrimp was that it does a great job

https://www.rcgroups.com/forums/show...d#post39845079


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