Total build hours
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Sessions logged
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Overall progress
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Estimated overall completion, weighted by section (in-progress sections count as half).

Build map

Sling 4 TSi general arrangement drawing FuselageFirewall ForwardFirewall ForwardFirewall ForwardCanopyCanopyUndercarriageUndercarriageWingWingWingEmpennageEmpennage
Tap a section to jump to its build posts.
Complete / in progress (glows)Not started
ElectricsFinishingHeater Air

Section progress & goals

#SectionStatusSessionsHoursPlan*TargetGoal
* Personal plan (hours): 1,450 planned + 150 contingency ≈ 1,600 workshop hours from first inventory to flight-ready, based on logged builder records adjusted for careful priming and first-build pace. Heater Air is budgeted inside Firewall Forward; Canopy covers doors, windows & interior trim; Finishing covers final assembly, rigging, weight & balance and testing. Active-building pace: 10 h/wk ≈ 2 yrs 9 mo · 15 h/wk ≈ 1 yr 10 mo · 20 h/wk ≈ 1 yr 5 mo — excluding waits for parts, inspections, paint or life.
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