Baraccuda

AEROTECH Model #89020

Additional Information

• Length: 56″/142 cm
• Diameter: 1.9″/4.7 cm
• Nose Cone: 5:1 Ogive
• Weight (without motor): 14oz/400gms
• Fins: 3-Tapered swept with double wedge airfoil
• Stages: 1
• Motor Mount: 29mm (includes 24mm adapter)
• Recovery System: Parachute
• Product No. 89020
• Parts List
  • Motor Adaptor Tube – 4-7/8″
  • Adaptor Rings – 1/2″
  • “E” Spacer Tube – 2-1/8″
  • Thrust Ring – 7/16″
  • Thrust Ring Flange – 1/16″
  • Motor Tube – 12″
  • Motor Hook
  • Fin-Lok Rings
  • Centering Rings 1-25/32″
  • Fins
  • Cooling Mesh
  • Ejection Gas Baffle
  • Screw Eyes
  • Shock Cord – 8′
  • Body Tube – 22-3/4″
  • Upper Body Tube – 22-3/4″
  • Bulkhead – 1/16″
  • Coupler Tube – 4″
  • Launch Lugs
  • Nose Cone
  • Self Adhesive Decal Sheet
  • Parachute – 22″
  • “F” Spacer Tube 1″

Instructions

Photo Gallery

Build History

01/03/1999 – Purchased Aerotec #89020 Barracuda from Joe’s Hobby Barn for $35.99 (Retail – $39.99)

03/17/2002 – Opened kit and found all part were included. Took pictures and downloaded to computer. Already scanned plans. Marked motor tube along centerline at 7/8″, 2-18/16″ and 4-5/8″. Cut 1/4″ long slits 90 degrees to center line at 4-5/8″ mark. Inserted motor retainer into slit. Slid one of the fin lok ring over the rear of motor tube and uyp to the 7/8″ mark wher the forward end of the ring meets the mark. On the forward end of the motor tube, slid the other fin lok ring to the 2-15/16″ mark with the rear of the ring touching the mark. Test fit the fit of the fins in the fin lik rings and them removed the fins. Epoxied the fing to the motor tube being careful not to get any in the slots. Cut 1/4″ long slots at 90 degrees from each other into the front of the motor tube. Then epoxied the baffle shoulder to the front of the motor tube. Ran a bead of epoxy over the slots and baffle tubing. Inserted cooling mesh before epoxying the baffle to the forward end of the motor tube. Attached a screw eye to the baffle and attached the shock cord to the screw eye. After the epoxy cured, slid the motor tube assembly into the body tube and epoxied the fins to the fin lok rings. Epoxied the centering ring to the rear of the body tube. Filleted the centering ring/body tube joints with epoxy. Epoxied the bulkhead to the tube coupler after inserting the screw eye and shock cord.

03/8/2002 – Epoxied the coupling tube inside the upper body tube payload section so the bulk head is inside this section.

04/05/2002 – Epoxy filleted all 3 fins/body tube joints, and launch lug/body tube joints.

04/06/2002 – Model is ready for paint and decals

06/28/2003 – Spray painted entire model with Krylon #81318 gray primer.

10/11/2003 – Sanded gray primer with 400 grit sandpaper. Removed dust with dry shop rag. Sanded with 600 grit sandpaper. Removed dust with shop rag. Wiped model with a damp sponge and dried with a towel. Gloss White Krylon #1501 was sprayed on the fin and body tube section. The nose cone was sprayed with Krylon #2101 Gloss Red.

10/18/2003 – Cut self adhesive decals from the sheet and trimmed them to shape. Using a soap water solution, positioned the small band of lines at the top edge of the payload section. Wiped off the excess water. Did the same for the lower decals. Placed the fin decal onto the fins. This completes construction of the Aerotech Barracuda #89020.

10/27/2003 – Removed nose cone and sanded red paint from it. Used 150 and 80 grit sandpapers to remove paint and then smoothed surface with 320, 400 and 600 grit sandpapers

10/30/2003 – Sprayed Gray Primer on nose cone after wiping down with damp rag and drying.

10/31/2002 – Spray painted nose cone with Krylon #8815 Gloss Mandarin. Dropped nose cone and ruined paint job.

11/04/2003 – Spray painted nose twice twice with Gray Primer.

11/10/2003 – Sanded nose cone with 600 grit sandpaper. Wiped off dust and spray painted with #8815 Gloss Mandarin.

11/12/2003 – This completes construction of Aerotech #89020 Barracuda model rocket.

Flights

Date	Location	#	Motor	Comments
05/12/2007	MS Park	Lex8	G64-4W
09/08/2007	Hardin Landfill	BS17	F25-9W	Joe Says thanks for huntin that one down CJ
02/23/2008	Hardin Landfill	BS20	G40-7	Beautiful flight.