Design uses Semroc BTH-70 SLS grade heavy walled tubing and shares the SLS ARCAS nose cone with 1/8" thick sturdy basswood fins. My original design also shared the SLS ARCAS tail cone but I wasn't truly happy with the CG/CP when loaded with a 24mm adapter and engine inside the originally planned 29mm engine tube or with 29mm engines so the tail cone is custom.

Flight simulation with Estes E9 engines to almost 1,300 feet, D12 engines to about 800 feet.

Posted simulations assumed a 1/8" x 36" launch rod.

Length: 23.9"
Diameter: 2.25" (BTH-70)
Span Dia: 6.80"
Weight: 4.13 oz

D12-5......807'.........Dv 8 FPS
E9-6......1,295'........Dv 15 FPS



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Attached Files

Loon-E Lander.rkt (41.7 KB, 109 views)

__________________
Steve Naquin
TRA# 677 L2
NAR# 85518 L2
SAM# 0052

🚀 In Construction: Der Blue Maxx/Minie-Magg 5.5” & Vander-Burn MDRM Clone w/Stickershock23 Custom Decals
🚀 In Paint & Detail: USR Banshee
🚀 In Build Queue: Estes Doorknob w/Vander-Burn Rocketry Upgrade Kit [Sport Decor], Semroc Centurion-F, Semroc Egg Crate
🚀 In Repair: SLS Lil’ Hustler, SLS Aero-Dart 1969 Trim
🚀 Stay Tuned For Fall 2021 Launch Dates