Estes Twin Factor #7250

Twin Factor

Skill Level 2


  Length:   6 in. (15.2 cm)
Diameter:   4.3 in. (10.9 cm)
Estimated Weight:  0 .8 oz. (22.7 g)
Fins:  Laser cut Cardstock
Recovery:  Tumble
Projected Altitude:  150 ft. (46 m)



Recommended Engines:

2 Stage Launches–
Booster Stage:

Upper Stage:

  • 1/4A3-3T,
  • 1/2A3-2T,
  • 1/2A3-4T,
  • A3-4T (first launch),
  • A10-3T.


Single Stage Launches–

  • A3-4T (first launch),
  • A10-3T,
  • A10-PT.

Twin Factor, as in “twin” rockets” That’s right, you get two rockets not just one! Launch them together or launch the upper stage by itself! Mini engine powered and fun to launch!

Purchased from Estes Industries on August 22, 2018 for $12.99 (Retail $12.99)

Twin Factors Pictures



Build History

  • 11/15/2018  Took pictures of package and components. Scanned fins, launch lug, decal, and plans. Measurements are on page 34 of Model Rockets Notes Book #4
  • 11/23/2018  Cut out card stock components. Glued tabs to shroud assembly with the aid of tweezers on one side of the ring on both rings.


  • Date – Flight Data