Minie Magg



One of the ISP PERFORMANCE SERIES of kits, Which feature factory pre-slotted airframe and through-the-wall fin construction and high power motor capabilities, NOW with LOC N RING FIN combo! The MINIE MAGG is the largest kit available that can still fly on a G-80 motor with an optional MMA-2 adapter. The 38mm motor mount is great for Level 1 and some Level 2 motors. It is a very versatile rocket. Parachute Recovery. Now including LOC N FIN/Ring combo for extreme strength, decal and 1010 rail guides!

Additional Information

Diameter: 5.54″
Height: 37″
Weight: 40oz
Motor Mount: 38mm with MR-1 Z-Clip motor retention
Parachute Size: 36″ Ripstop Nylon
Shock Cord Type: 15′ Nylon Webbing with sewn loops
Fin Thickness: 1/4″
Ring Thickness: 1/4″ LOC-N Ring


Photo Gallery

Build History

  • 02/25/2003 – Purchased the LOC/Precision #PK-68 Mini Magg from Hobbylinc for $75.29 (Retail – $92.95).
  • 02/25/2003 – Bag was ripped open so checked out parts. All part present. Scanned plans, fins, ring, and photo card. Measured and traced fins and ring. measured motor tube. Measured motor tube, airframe tube and other small items. See page 46 of Book #2.
  • 03/05/2003 – Placed centering rings over motor mount tube. Measured centering ring position 1/8″ from each end of motor mount tube. Epoxied one side of each entering ring joint as a fillet.
  • 03/06/2003 – Filleted other side of centering rings.
  • 04/14/2003 – Drilled 1/4″ holes into rear centering ring and epoxied modified “T” nuts (8-14) into holes. Modified “T” nut so one side was flat.
  • 04/15/2003 – Epoxied motor mount/centering ring assembly into body tube. Filleted rear ring joint with epoxy.
  • 04/16/2003 – Epoxied centering ring and body tube forward joint as a fillet.
  • 04/17/2003 – Epoxied one fin to body tube.
  • 04/18/2003 – Epoxied last two fins to body tube.
  • 04/28/2003 – Epoxy filleted two fin joints.
  • 04/29/2003 – Epoxy filleted two more fin joints.
  • 04/30/2003 – Epoxy filleted last two fin joints.
  • 07/08/2003 – Balsa filled fins.
  • 07/09/2003 – Sanded the first balsa fill with 400 grit sandpaper.
  • 07/10/2003 – Sanded second balsa fill.
  • 07/12/2003 – Sanded second balsa fill with 400 grit sandpaper.
  • 07/16/2003 – Spray painted fins and most of body tube with Krylon Gray primer.
  • 07/19/2003 – Finished coating rocket with fist coat of primer.
  • 07/28/2004 – Sanded model with 400 grit then 800 grit sandpaper. Wiped down model with dry rag and then a sponge damped with water. Spray painted nose and main body with Krylon Glossy White.
  • 08/05/2004 – Epoxied launch lug to body tube 6″ from rear and centered between two fins.
  • 08/06/2004 – Filleted launch lug joints on both sides. Epoxied shock cord mount inside body tube.
  • 08/07/2004 – Prepared H123W-10 reload with the assistance of Dennis Stevens. Launched the model at 1:39pm for my Level 1 Certification. Model was recovered in tact so I meet the requirement of HPR level 1 Certification. Witnessed by Dennis Stevens and David Larson. Thanks for all the support I was given and encouragement to make the launch (Terry Dean)
  • 03/06/2006 – Wiped down nose and launch lug. Sprayed launch lug with Krylon #1501 Glossy White several times. got a run on one side. Removed shock cord from nose cone. Masked nose cone shoulder and placed a 1/2″ dowel rod into the nose cone hole securing it with tape so it would not turn. Sprayed the nose cone several times with Krylon #1910 True Blue Gloss spray paint.
  • 02/10/2007 – Broke fin on recovery. Recovered model and fin to be repaired.
  • 02/17/2007 – Ground off remaining epoxy with dremel tool fitted with drum sander. Wiped down model and mixed up a small batch of ASP epoxy and applied it to the root edge and around the slot in the body tube. Held fin in place with masking tape.
  • 02/18/2007 – Removed masking tape.
  • 07/01/2008 – Removed excess epoxy and paint from fin and body tube with dremel tool and sanding drum. Epoxied fin back onto body tube with 30 minute epoxy.
  • 07/02/2008 – Painted repaired area with Krylon Gossy White spray paint.
  • 12/12/2007 – Added 1010 rail buttons.


03/22/2009Sim’s FarmFF2009I245GGreat flight.
03/07/2010Sim’s FarmTRA1H123WAlways a good flight with this motor.
03/07/2010Sim’s FarmTRA1H123WAlways a good flight with this motor.
01/08/2012Sim’s FarmTRA4H152Good Flight got caught in tree line SE of launch pad.
01/07/2012Sim’s FarmBS55H123W
01/09/2011Sim’s FarmTRA3H186TRChuff, Chuff, and away. Nice Flight.
03/09/2014Sod FarmBS78H123SKGood Flight. Landed near the pond area.
03/10/2017Sod FarmBS113I195-7Straight Flight. At apogee nose cone ejected and recovery chute with chute release popped out at about 2600′. Rocket fell to 300′ above pond when chute release activated and chute opened. Rocket continued to drift West of pond where it landed between pond and a tree. First time use of chute release. Recovery by Darryl Hankes. Thanks Darryl.






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