38mm


	Scheduled Research Launch Attendance

MDRA

Dec 18

METRA

PYRO





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	Contact for International Orders


	The Official Magazine of Tripoli Rocketry Association


	Sponsor Sugar Shot To Space

38mm Research Rocket Motors

Complete Motor Set includes:
(1) Case
(1) Matching Graphite Nozzle
(1) Plugged Forward Closure
(1) Nozzle Thrust Washer
(3) Internal Snap Rings 12 PIECE SET
(1) External Thrust Ring
(3) Nozzle/Closure Orings
(1) Mesh Case Cover

***Please allow 2-4 weeks delivery time.

The 38mm cases have been revised 09/01/11.
Click here to view a suggested geometry

Hardware	Case	Complete Motor
2-Grain Total Propellant Length - 4.5”	$25.00	$52.00
3-Grain Total Propellant Length - 6.75”	$30.00	$56.00
4-Grain Total Propellant Length - 9”	$35.00	$60.00
6-Grain Total Propellant Length - 13.5”	$45.00	$67.00
7-Grain Total Propellant Length - 17.2”	$52.00	$74.00
6L-Grain Total Propellant Length - 21.8”	$65.00	$82.00
4-Grain Test Case No ext. ring-semi finish	$20.00
4-Grain Test Case w/test bulkhead, nozzle and hardware		$56.00
Fits AeroPack retainers. Cases include (2)snap rings and ext. retaining ring


	*Request nozzle throat substitutions for complete motors in PayPal comment box.*


	38mm Complete Motor


	38mm Case

Accessories
Graphite Nozzle	$21.50
Plugged Forward Closure	$14.00
Internal Snap Ring	4/$2.50
Oring	3/$1.00
SS Nozzle Washer	$2.65
Test Fwd Closure w/elbow	$25.00
*Nozzle and Closure include orings. Forward closure tapped for 1/4”-20 bolt.





				38mm Test Fwd Closure 1/8 male NPTF 90 street elbow w/1/4 pipe inverted flare


	38mm Nozzle


	38mm Accessories

	Case L	Nozzle L	Nozzle Liner L	Fwd Closure L	Fwd Closure Liner L	Washer
2G	6.85	1.15	0.25	0.65	0.25	0.08
3G	9.10	1.15	0.25	0.65	0.25	0.08
4G	11.35	1.15	0.25	0.65	0.25	0.08
6G	16.05	1.35	0.25	0.65	0.25	0.08
7G	19.75	1.35	0.25	0.65	0.25	0.08
6LG	24.35	1.35	0.25	0.65	0.25	0.08

Custom 38mm Cases and Nozzles Available. Click here

Fraction	Decimal	Fraction	Decimal	Fraction	Decimal	Fraction	Decimal	Fraction	Decimal	Fraction	Decimal	Fraction	Decimal
9/64	0.141	17/64	0.266	25/64	0.391	33/64	0.516	41/64	0.641	49/64	0.766	57/64	0.891
10/64	0.156	18/64	0.281	26/64	0.406	34/64	0.531	42/64	0.656	50/64	0.781	58/64	0.906
11/64	0.172	19/64	0.297	27/64	0.422	35/64	0.547	43/64	0.672	51/64	0.797	59/64	0.922
12/64	0.188	20/64	0.313	28/64	0.438	36/64	0.563	44/64	0.688	52/64	0.813	60/64	0.938
13/64	0.203	21/64	0.328	29/64	0.453	37/64	0.578	45/64	0.703	53/64	0.828	61/64	0.953
14/64	0.219	22/64	0.344	30/64	0.469	38/64	0.594	46/64	0.719	54/64	0.844	62/64	0.969
15/64	0.234	23/64	0.359	31/64	0.484	39/64	0.609	47/64	0.734	55/64	0.859	63/64	0.984
16/64	0.250	24/64	0.375	32/64	0.500	40/64	0.625	48/64	0.750	56/64	0.875	64/64	1.000


	Since TRU-CORE cannot control the use of the products sold, TRU-CORE cannot be held responsible for any personal injury or property damage resulting from the use or misuse of the products. The buyer assumes all risks and liabilities therefrom and accepts and uses the products on these conditions.


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