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-   -   New Estes Low Boom SST (http://www.oldrocketforum.com/showthread.php?t=18475)

aeppel_cpm 04-29-2020 09:00 PM

New Estes Low Boom SST
 
3 Attachment(s)
Another great kit! Thanks so much, JumpJet. I’m having a blast building it.

Three times.

Pictures attached. The downscale is 73% for BT50 with a 13mm motor. The upscale is 150% for a 24mm motor in Estes 2” body tube.

The upscale will take a while to complete. I don’t have a laser cutter to cut plywood wings, and I think printed wings would be too flexible.

5x7 04-29-2020 09:55 PM

Really cool!

LeeR 04-29-2020 11:52 PM

Charles, very fun project! I havent ordered one yet, but its next on my list. :D

Feyd 04-30-2020 10:31 AM

Quote:
Originally Posted by aeppel_cpm
The upscale will take a while to complete. I don’t have a laser cutter to cut plywood wings, and I think printed wings would be too flexible.


What size of plywood do you need cut? Mine can do up to 12"x18" and I usually
cut 3mm (1/8") baltic birch plywood. 1/4" I can do but it's a stretch.

aeppel_cpm 04-30-2020 11:57 AM

I was only looking for 3mm. And 18" might work. I'll work up an AI file to make sure. Then we might need to do a little business.

A Fish Named Wallyum 04-30-2020 12:14 PM

Quote:
Originally Posted by LeeR
Charles, very fun project! I havent ordered one yet, but its next on my list. :D

Just opened mine the other night. Looks like a challenge. :cool:

aeppel_cpm 04-30-2020 12:27 PM

I think it's a little harder than a QCC explorer. Using little straight sticks to build out the engine pod framing was new to me - but I suspect old hat to airplane people.

I could have done a better job on the tailcone. The tail goes over the seam - so build it nicely. The scaled versions are vase-mode printed.

aeppel_cpm 04-30-2020 01:29 PM

Quote:
Originally Posted by Feyd
What size of plywood do you need cut? Mine can do up to 12"x18" and I usually
cut 3mm (1/8") baltic birch plywood. 1/4" I can do but it's a stretch.


About 5"x21". I can get it to 12x19" - but not 12x18 in one piece.

Feyd 04-30-2020 01:37 PM

Quote:
Originally Posted by aeppel_cpm
About 5"x21". I can get it to 12x19" - but not 12x18 in one piece.


Hm. I don't have any stock over 12"x18" right now. I have 12"x12" and 12"x18" and that's it.

aeppel_cpm 04-30-2020 04:06 PM

Menards in our area has 12x24" 3mm ply. I have one downstairs.

But my boy's high school with the laser cutter is closed :-(


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