KRAKER
NAXJA Forum User
- Location
- where blank stares are normal
Four Link Calculator vers 1.5 html
Download Adobe SVG viewer to see your suspension modeled in real time. Tire DiameterinCoGYinTrackWidthinCoG HeightinTotal WeightlbsFront 1/2 Weightlbs
12
7
Link Length35.805
in Unit Vector0.9216
0.3351
0.1955
0.9999
Intercept-10
3.6363
20.787
inRoll Point-10
0
18.666
inForces10077.
3664.6
2137.7
lbVert Slope0.3636
in / in Hor Slope0.2121
in / in Lower Links
-12
7
Link Length29.478
in Unit Vector0.8819
-0.407
0.2374
0.9999
Intercept39.999
18.461
16.730
inRoll Point39.999
0
27.499
inForces-12282
5668.8
-3306.
lbVert Slope-0.461
in / in Hor Slope0.2692
in / in
Outside Diameter
Outside Diameter
% Roll Over AnglesRC Slope 0.1766
in / in ("-" = roll understeer; "+" = roll oversteer)
in
degrees ("-" = roll understeer; "+" = roll oversteer)
in
in Instant Center Z-Axis 35.857
in Excel Version 1.5 Dan Barcroft & Greg Blanchette
Pirate4x4 Discussion
HTML Version by: Benjamin Porter
Vehicle Specifications:
WheelbaseinCoGXin
Download Adobe SVG viewer to see your suspension modeled in real time. Tire DiameterinCoGYinTrackWidthinCoG HeightinTotal WeightlbsFront 1/2 Weightlbs
Suspension Geometry:
Upper LinksX
Y
Z
Frame EndinAxle EndinVector33Y
Z
12
7
Link Length35.805
in Unit Vector0.9216
0.3351
0.1955
0.9999
Intercept-10
3.6363
20.787
inRoll Point-10
0
18.666
inForces10077.
3664.6
2137.7
lbVert Slope0.3636
in / in Hor Slope0.2121
in / in Lower Links
X
Y
Z
Frame EndinAxle EndinVector26Y
Z
-12
7
Link Length29.478
in Unit Vector0.8819
-0.407
0.2374
0.9999
Intercept39.999
18.461
16.730
inRoll Point39.999
0
27.499
inForces-12282
5668.8
-3306.
lbVert Slope-0.461
in / in Hor Slope0.2692
in / in
Material Selection:
Upper Links
in Wall Thickness
in Material Used1010 HREW 1010 DOM 1018 CDHFS 1020 DOM 1026 DOM 4130 Chromemoly Aluminum Titanium 2 Titanium 4 Titanium 6al/4v Other specify
Specs->Modulus of Elasticity (psi)Rod EndQA1 xm10-12 QA1 xm12 QA1 hm20t QA1 hm14t QA1 hm14t-1 QA1 hm16t QA1 hm16t-2 Aurora XAM-10 Aurora XAM-12 Aurora XAM-16 Aurora XAM-20 Other Specify
Yield StrengthRod End Load Rating
Density (in^3)Moment of Inertia0.1994
in ^4 Area0.9817
in ^ 2 Pyield68722.
lb Pbuckling44521.
lb Pbending1039.6
lb
Link Weight9.9830
lb Link Force10934.4
lb S.F. Yield6.2849
(Your link Stretching)S.F. Buckling4.0717
(Your link buckling under braking)S.F. Bending0.4163
(Irrelevant for UPPER links)S.F. Rod End6.9688
(Your rod end breaking)Lower Links
in Wall Thickness
in Material Used1010 HREW 1010 DOM 1018 CDHFS 1020 DOM 1026 DOM 4130 Chromemoly Aluminum Titanium 2 Titanium 4 Titanium 6al/4v Other specify
Specs->Modulus of Elasticity (psi)Rod EndQA1 xm10-12 QA1 xm12 QA1 hm20t QA1 hm14t QA1 hm14t-1 QA1 hm16t QA1 hm16t-2 Aurora XAM-10 Aurora XAM-12 Aurora XAM-16 Aurora XAM-20 Other Specify
Yield StrengthRod End Load Rating
Density (in^3)Moment of Inertia0.5368
in ^4 Area1.3744
in ^ 2 Pyield96211.
lb Pbuckling176834
lb Pbending2549.7
lb
Link Weight11.506
lb Link Force-13925.9
lb S.F. Yield6.9087
(Your link compressing)S.F. Buckling12.698
(Your link buckling under acceleration)S.F. Bending1.0211
(Link bending with 1/2 weight of vehicle on it)S.F. Rod End5.7251
(Your rod end breaking)Design Summary:
Anti-Squat 137.78% Roll Over AnglesRC Slope 0.1766
in / in ("-" = roll understeer; "+" = roll oversteer)
38.32
degrees LeftRC Height 20.433in
40.18
degrees RightRC Angle 10.018degrees ("-" = roll understeer; "+" = roll oversteer)
39.95
degrees ForwardInstant Center X-Axis 71.040in
62.13
degrees RearwardInstant Center Y-Axis 0in Instant Center Z-Axis 35.857
in Excel Version 1.5 Dan Barcroft & Greg Blanchette
Pirate4x4 Discussion
HTML Version by: Benjamin Porter