DX-1 EE

From Dare

Revision as of 20:42, 20 November 2006 (view source) Sengelen (Talk | contribs) (→Dimensions propellant grains) ← Previous diff		Revision as of 17:15, 22 November 2006 (view source) Frank E (Talk | contribs) Next diff →
Line 36:		Line 36:
	||Bolt holes diameter [mm] * #||4 x 8		||Bolt holes diameter [mm] * #||4 x 8
	|-		|-
-	||Weight [kg]||	+	||Weight [kg]||0,896
	|-		|-
	!Casing:		!Casing:
Line 44:		Line 44:
	||Length [mm]|| 770		||Length [mm]|| 770
	|-		|-
-	||Weight [kg]	+	||Weight [kg]|| 2,452
	|-		|-
	!Aft-closure:		!Aft-closure:
Line 54:		Line 54:
	||Bolt holes diameter [mm] * #||4 x 10		||Bolt holes diameter [mm] * #||4 x 10
	|-		|-
-	||Weight [kg]||	+	||Weight [kg]||1,308
	|}		|}

---

Revision as of 17:15, 22 November 2006

Contents 1 Engine Specification Form (ESF) 2 Dimensions engine 3 Dimensions propellant grains 4 Performance (as designed) 5 Test data

Engine Specification Form (ESF)

Engine Name:	DX-EE
Type:	Solid
Propellant:	KNO3 + Sorbitol
Designers:	Mark Uitendaal
	Daan Maessen
Flown in rockets:	CanSat Launcher V2
	CSL V3
Tested?:	Yes (two static tests + two instrumental tests
Documentation:	Test report

Dimensions engine

Nozzle:
Total length [mm]	62
Length expansion part [mm]	35
Maximum diameter [mm]	70
Length throat [mm]	??
Diameter throat [mm]	18
Bolt holes diameter [mm] * #	4 x 8
Weight [kg]	0,896
Casing:
Outer diameter [mm]	70
Length [mm]	770
Weight [kg]	2,452
Aft-closure:
Total length [mm]	54
Maximum diameter [mm]	70
Bolt holes diameter [mm] * #	4 x 10
Weight [kg]	1,308

Dimensions propellant grains

Components	Mix-ratio	Outer diameter	Inner diameter	Length Grain	Net Weight	mould weight
		[mm]	[mm]	[mm]	[gram]	[gram]
KNO3 -sorbitol	65% - 35%	60	20	100	400	800

Performance (as designed)

Maximum thrust [N]	1645
Burn time [s]	2.2
Total Impulse [Ns]	2859
Specific Impulse [s]	109
Massa ratio [empty/loaded]	2/3
Maximum pressure [N/m2]	5.48*106
Maximum temperature [C˚]	1520

Test data

Most important data of the test performed in august 2006 (reference: test report):

Maximum thrust [N]	1640
Burn time [ms]	2500
Total Impulse [Ns]	2400
Specific Impulse [s]	102