simon/tricycle-mechanical-design
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Now with steering arms at approximately correct ackerman angle.

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This commit is contained in:
Simon Brooke 2026-09-14 16:46:59 +01:00
parent 01d92421cf
commit d20ecb005a
3 changed files with 29 additions and 15 deletions
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9
microcar/tub.scad
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@ -12,6 +12,7 @@ a_pillar_y = -400; // y location of face of 'A' pillar
bb_height = 274; // internal height of battery box
bb_width = 260; // internal width of battery box
/*****************************************************
* the 'cowl' is the near-horizontal panel which the
* bottom of the windscreen is mounted to. In practice
@ -20,8 +21,8 @@ bb_width = 260; // internal width of battery box
* is horizontal.
****************************************************/
// slope of the cowl
cowl_angle = -70;
// slope of the cowl to horizontal
cowl_angle = 20;
// maximum height of the cowl (at the A pillar)
cowl_height = 450;
@ -43,6 +44,10 @@ sill_max_height = bb_height;
sill_min_height = 125;
sill_width = 150;
// As nearly as I can measure it, the windscreen angle
// of the Citroen C1 is 23.8° to horizontal.
windscreen_angle = 24;
module battery_box_side( floor_length = 1100) {
fhl = (floor_length/2);
top_hlf = (bb_height * tan(layback_angle_f)) + fhl;