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  #11  
Old 11-18-2020, 04:43 PM
Flash's Avatar
Flash Flash is offline
Semi-Pro Rocketeer TRA 10484 L2
 
Join Date: Apr 2007
Posts: 341
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I like the specs on the D20-4 W

Specifications:

Motor Diameter: 0.698" (18mm)
Casing Length: 2.75" (70mm)
Total Impulse: 13.8 N-sec
Burn Time: 0.76 seconds
Average Thrust: 20 newtons
Delay Time: 4 seconds
Propellant Weight: 8.7 grams
Propellant Type: White Lightning
Motor Weight: 24.1 grams
Maximum Liftoff Weight: 340 grams

Almost 12oz
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  #12  
Old 11-18-2020, 05:41 PM
Scott_650 Scott_650 is offline
Craftsman
 
Join Date: Sep 2015
Posts: 421
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Quote:
Originally Posted by Flash
I like the specs on the D20-4 W

Specifications:

Motor Diameter: 0.698" (18mm)
Casing Length: 2.75" (70mm)
Total Impulse: 13.8 N-sec
Burn Time: 0.76 seconds
Average Thrust: 20 newtons
Delay Time: 4 seconds
Propellant Weight: 8.7 grams
Propellant Type: White Lightning
Motor Weight: 24.1 grams
Maximum Liftoff Weight: 340 grams

Almost 12oz


Thatís going to be a great motor for bigger model rockets! More incentive to get my Estes Shuttle and Pemberton Kraken built and my slightly crashed Executioner repaired.
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