10 SS15-18 HELLSGATE STAGE 2021 | Stage Route Review

10.1 Stage Route Preview

Static map, significant corners highlighted:

10.2 Segmented Route

1km route sections, aligned to read left to right; significant corners highlighted.

10.3 Speed Estimates

Estimates of speed along the route according to a very simple acceleration model.

Kilometer section speeds (kmtime is time in seconds to complete that segment; avspeed is in km/h):

kmsection	section_length	km_time	av_speed	maxspeed
1	0.99	29.21864	121.9769	145
2	1.00	25.29622	142.3137	145
3	1.00	25.32889	142.1302	145
4	1.00	26.79856	134.3356	145
5	1.00	24.82763	144.9998	145
6	1.00	27.57533	130.5515	145
7	1.00	27.00639	133.3018	145
8	1.00	25.18837	142.9231	145
9	1.00	26.59158	135.3812	145
10	1.00	25.48391	141.2656	145
11	0.95	28.87318	118.4490	145

Anticipated stage time: 4m 52.2s

Speed profile chart: this chart shows the anticipated speed over distance into route on a per kilometer basis (the green area is flat out, the pink is the sort of slow you see at a hairpin):

10.4 Elevation and Convexity Index into Route

Elevation and significant curvature vs distance into stage:

(Note that this uses a different curvature measure to the route plots; specifically, the curvature measure used here is the convexity index.)

Elevation delta signature — order the severity of height changes over each 10m section of the stage:

Split section elevation profiles can be found in the stage km section summary table.

10.4.1 Left and Right

How does the stage vary in terms of left and right turns?

Order the severity of right and left turns over each 10m section of the stage:

Kilometer segment convexity index signatures can be found in steg stage km section summary table.

Table 10.1: Five longest straights (m)
Distance into stage (km)	Straight length (m)
10.64	170
9.90	210
7.82	170
2.86	140
0.08	160

10.4.2 Sinuosity and Straightness

Sinuosity and straightness are technical measures with specific defintions. They may or may not be that useful for route analysis in their current form. The intention is to try to find ways of identifying variously “interesting” kilometer stretches.

(#tab:sinuosity_table-11)Stage segmented into 1km sections: SS15-18 HELLSGATE STAGE 2021
km	sinuosity	straightness
1	0.06044863	0.9064371
2	0.02424157	0.8116671
3	0.02570310	0.8221951
4	0.06403991	0.9213914
5	0.02158643	0.7637790
6	0.03035824	0.8681751
7	0.10629744	0.8213474
8	0.01666338	0.9366215
9	0.02924345	0.9393110
10	0.02469638	0.8224780
11	0.14488434	0.3927356