Shastas Rocket Site

Helio Roc


(Formerly Skill Level 3)

Be ready to challenge your building skills with the Mini “A” Heli! A “competition ready helicopter recovery” rocket is joining the Estes line and will challenge your building skills to get the “blades” just right for a maximum duration descent of 45-60 seconds in dead air. Powered by an A10-3T, this rocket is just waiting to be added to your collection.

Additional Information

Recommended EnginesA10-3T
Projected Max Altitude400 ft. (122 m)
Recovery SystemSpin
Length17 in. (43.2 cm)
Rotor24.2 in. (61.5 cm)
Diameter.54 in. (14 mm)
Estimated Weight.65 oz. (18.4 g)
Estimated Assembly Time5 Hours (painting and glue drying time not included)
Fin MaterialsLaser cut wood
Decal TypeN/A
Launch SystemPorta-Pad II and Electron Beam Launch Controller
Launch Rod Size1/8″

Photo Gallery

Build History

  • 08/22/2018 – Purchased the model from Estes Industries for $14.99 (Retail – $14.99)
  • 11/15/2018 – Took pictures of package and components. Scanned several components. Measurements are on page 36 of Book #4
  • 01/23/2019 – Made copy of page 2 of instructions and cut out tube marking guide. Measured body tube as per instructions and cut off excess. Marked fin guide lines onto body tube BT-5. Marked the aft end of body tube at 1/2″ mark. Glued fins to body tube. Glued engine block into body tube using yellow spacer tube marked 3/8″ from aft end. Glued aft launch lug to fin/body tube joint.
  • 01/24/2019 – Glued forward launch lug 8″ from aft end.
  • 01/25/2019 – Cut off about 4″ of body tube using Estes tube cutting guide and Exacto knife.
  • 01/26/2019 – Glued blade hinge assembly hook together. Glued blade hinge to upper body tube.
  • 01/28/2019 – Glued third hinge to body tube. Applied CA to edges of hinge hook surfaces. Cut out of fiber material 3 blade reinforcement pieces. Glued hook pieces into blade slot. Placed 3 blade bend forming templates over blades and CA’d the bend gap. Used accelerant to speed set time of CA.
  • 01/29/2019 – Glued cloth reinforcement pieces to bottom of blade bases. Glued upper section to lower section so the blades lie between the fins.
  • 01/30/2019 – Cut dowel rod into 3 1/4″ pieces and inserted into holes to hold blades into holders.
  • 01/31/2019 – Punched 2 holes opposite each other 6″ from aft end to hold thread break line for blades.
  • 02/03/2019 – Placed a rubber band on each hinge for attachment to each of the three blades. This completed construction of the Apogee mini “A” helio roc model rocket #7272. Placed spare rubber bands in instruction folder pouch.


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