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MRC Concept II Trailblazer (Estes version)

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Creation quality: 5.0/5 (1 vote)
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  • BT-60_to_BT-20_Motor_Mount_RingA.stl
  • BT-60_to_BT-20_Motor_Mount_RingB.stl
  • BT-60_to_BT-20_Motor_Mount_Ring_Making_TemplateA.stl
  • BT-60_to_BT-20_Motor_Mount_Ring_Making_TemplateB.stl
  • BT-60_to_BT-50_Motor_Mount_RingA.stl
  • BT-60_to_BT-50_Motor_Mount_RingB.stl
  • BT-60_to_BT-50_Motor_Mount_Ring_Making_TemplateA.stl
  • BT-60_to_BT-50_Motor_Mount_Ring_Making_TemplateB.stl
  • Trailblazer_Baffle_Coupler_BT-60.stl
  • Trailblazer_Baffle_Coupler_Making_TemplateA_BT-60.stl
  • Trailblazer_Baffle_Coupler_Making_TemplateB_BT-60.stl
  • Trailblazer_Baffle_EndCapA_BT-60.stl
  • Trailblazer_Baffle_EndCapB_BT-60.stl
  • Trailblazer_Booster_Half_Mount.stl
  • Trailblazer_Booster_Half_No_Mount.stl
  • Trailblazer_Booster_Whole_Mount.stl
  • Trailblazer_Booster_Whole_No_Mount.stl
  • Trailblazer_Lower_Stage_Fin_Making_Template.stl
  • Trailblazer_Lower_Stage_Fin_Rounded.stl
  • Trailblazer_Lower_Stage_Fin_Unrounded.stl
  • Trailblazer_Lower_Stage_Tranistion_EndCapA2_Estes.stl
  • Trailblazer_Lower_Stage_Transition_EndCapA_Estes.stl
  • Trailblazer_Lower_Stage_Transition_EndCapB2_Estes.stl
  • Trailblazer_Lower_Stage_Transition_EndCapB_Estes.stl
  • Trailblazer_Lower_Stage_Transition_Hollow_Estes.stl
  • Trailblazer_Lower_Stage_Transition_Solid_Estes.stl
  • Trailblazer_Upper_Stage_Fin_MakingTemplate.stl
  • Trailblazer_Upper_Stage_Fin_Rounded.stl
  • Trailblazer_Upper_Stage_Fin_Unrounded.stl
  • Trailblazer_Upper_Stage_Transition_BT-5520_Estes.stl

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Publication date 2023-02-06 at 17:41
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Published to Thingiverse on: 2023-01-31 at 20:54
Design number 1049948

3D printer file info

3D model description

This is the Estes version of the MRC Concept II Trailblazer that is based on the Trailblazer II sounding rocket flown by NASA from 1961 to 1973. All of the parts are designed to be compatible with Estes airframe tubing.

This kit can use a single 18mm (A-C) rocket motor or a 24mm (D) rocket motor.

The three sizes of tubes you will need to provide for this model are:
BT-20 for the upper stage airframe,
BT-55 for the upper stage payload bay,
BT-60 for the lower stage airframe.
BT-20 motor mount tube, thrust ring, and engine hook for 18mm motors or a
BT-50 motor mount tube, thrust ring, and engine hook for 24mm motors

Other parts you will need:
Shock cord (Kevlar or Spectra) that is 30 inches (762.00mm) in length
(1) 18 inch (457.2mm) diameter parachute

MRC Concept II Trailblazer (original)
https://www.thingiverse.com/thing:5821197

MRC Concept II Catalog
http://www.ninfinger.org/rockets/nostalgia/mrc02.html

More information about the Trailblazer II sounding rocket.
https://www.designation-systems.net/dusrm/app4/trailblazer2.html
http://www.astronautix.com/t/trailblazer2.html

3D printing settings

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