DX-1 EE

From Dare

(Difference between revisions)
(Dimensions engine)
 
(10 intermediate revisions not shown)
Line 21: Line 21:
==Dimensions engine==
==Dimensions engine==
-
{-border="1"
+
{| border="1"
-
!Nozzle:
+
!Nozzle:
-
||Total length [mm]||62
+
|-
 +
||Total length [mm]|| 62
|-
|-
-
||Length expansion part [mm]||35
+
||Length expansion part [mm]|| 35
|-  
|-  
-
||Maximum diameter [mm]||70
+
||Maximum diameter [mm]|| 70
|-
|-
-
||Length throat [mm]||??
+
||Length throat [mm]|| ??
|-
|-
-
||Diameter throat [mm]||18
+
||Diameter throat [mm]|| 18
|-
|-
-
||||
+
||Bolt holes diameter [mm] * # ||4 x 8
-
|-
+
-
||Bolt holes diameter [mm] * #||4 x 8
+
-
|-
+
-
||Weight [kg]||
+
|-
|-
 +
||Weight [kg]||0,896
|-
|-
-
!Casing:
+
!Casing:
-
||Outer diameter [mm]||70
+
|-
 +
||Outer diameter [mm]|| 70
|-
|-
-
||Length [mm]||770
+
||Length [mm]|| 770
|-
|-
-
||Weight [kg]
+
||Weight [kg]|| 2,452
|-
|-
 +
!Aft-closure:
|-
|-
-
!Aft-closure:
+
||Total length [mm]|| 54
-
||Total length [mm]||54
+
|-
-
||Maximum diameter [mm]||70
+
||Maximum diameter [mm]|| 70
-
||Bolt holes diameter [mm] * #||4 x 10
+
|-
-
||Weight [kg]||
+
||Bolt holes diameter [mm] * # ||4 x 10
-
|}
+
|-
-
+
||Weight [kg]||1,308
-
+
|}
-
Dimensions propellant grains
+
==Dimensions propellant grains==
-
Components Mix-ratio Outer diameter Inner diameter Length
+
{|border="1"
-
Grain Net Weight
+
!Components!!Mix-ratio!!Outer diameter!!Inner diameter!!Length Grain!!Net Weight!!mould weight
-
[mm] [mm] [mm] [gram]
+
|-
-
KNO3 -sorbitol 35% - 65% 60 20 100 400
+
|||||[mm]||[mm]||[mm]||[gram]||[gram]
-
 
+
|-
-
Performance (as designed)
+
|KNO3 -sorbitol||||60||20||100||||
 +
|}
-
Maximum thrust [N] 1645
+
==Performance (as designed)==
-
Burn time [s] 2.2
+
{|border="1"
-
Total Impulse [Ns] 2859
+
|Maximum thrust [N]|| 1645
-
Specific Impulse [s] 109
+
|-
-
Massa ratio [empty/loaded] 2/3
+
|Burn time [s]|| 2.2
-
Maximum pressure [N/m2] 5.48*106
+
|-
-
Maximum temperature [C˚] 1520
+
|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
+
==Test data==
Most important data of the test performed in august 2006 (reference: test report):
Most important data of the test performed in august 2006 (reference: test report):
-
 
+
{|border="1"
-
Maximum thrust [N] 1640
+
|Maximum thrust [N]|| 1640
-
Burn time [ms] 2500
+
|-
-
Total Impulse [Ns] 2400
+
|Burn time [ms]|| 2500
-
Specific Impulse [s] 102
+
|-
 +
|Total Impulse [Ns]|| 2400
 +
|-
 +
|Specific Impulse [s]|| 102
 +
|}

Current revision as of 21:38, 22 March 2007

Contents

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

ComponentsMix-ratioOuter diameterInner diameterLength GrainNet Weightmould weight
[mm][mm][mm][gram][gram]
KNO3 -sorbitol6020100

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
Personal tools