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Estes 1/2A3-4T Model Rocket Engines Classroom Bulk Pack (24 ea) - 1788 ^'

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Estes 1/2A3-4T Model Rocket Engines Classroom Bulk Pack (24 ea) - 1788 ^'

	Everyone
	12+

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Item #: EST1788

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FeaturesThis item has special shipping requirements due to federal law. All orders including Mini through D engines and/or igniters are shipped ground hazmat by USPS Parcel Post. Delivery may take 5 to 12 business days or more with no extra shipping charges. For faster delivery (approximately 5 or less business days), UPS Hazmat ground shipping is available for an additional fee. Free shipping promotions do not apply to orders with engines and/or igniters. Please see our shipping information page for more details.

The Estes 1/2A3-4T engine is single stage engine designed for successful model rocket flight. This engine is a mini engine designed for flights in lightweight rockets. Contains 24 engines, 30 igniters, 24 patented igniter plugs, and 75 sheets of Recovery Wadding. These packs may be used for some of Estes multi-stage rockets. Whether you are launching rockets at school with students, at a youth group activity or rocket club monthly launch, Estes engine bulk packs are a must.

Estes model rocketry is recommended for ages 10 and up with adult supervision for those under 12. Must be 14 to purchase in California, New Jersey, and North Dakota. Must be 16 to purchase in Rhode Island.

Optional Components

Replacement Parts

Technical

	WARNING: CHOKING HAZARD! Small parts. Not intended for children under 3 years of age.
	Product image and description is provided by the manufacturer, and is as accurate as possible. Some details of the product may be subject to change without notice (graphics, decoration, wheel color, etc.). eHobbies is not responsible for these changes, as it does not alter the function or value of the product.

Specifications

	Diameter: 0.5 inches
	Length: 1.75 inches
	Total Impulse: 1.25 N-sec
	Time Delay: 4 seconds
	Max. Lift Weight: 1 ounces
	Max Thrust: 1.9 pounds
	Thrust Duration: 0.3 seconds
	Initial Weight: 0.23 ounces
	Propellant Weight: 0.06 ounces

Product Reviews

Q & A

COMMENT: Nice to have plenty to play anytime, plus the price is great compared to brick and mortar stores. by T A 9/26/2012

COMMENT: Convenient kit contains everything needed for repeated launches by N E 6/26/2012

COMMENT: Scouts by M K 5/12/2012

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