Recommended list price: $12,000 Price range: $9,000 – $18,000 depending on complexity and scope.

About this design

Turnkey engineering package — recommended offer and detailsRecommended list price: $12,000 Price range: $9,000 – $18,000 depending on complexity and scope.What the turnkey package includesFull editable CAD model (STEP, SolidWorks, or preferred format).Complete 2D fabrication drawings (frame, swingarm, forks, mounting points, jigs, and templates).Comprehensive structural engineering (FEA on critical members; static and fatigue checks).Welding, material, and tolerance callouts with shop‑ready detail sheets.Complete BOM and vendor recommendations with critical fasteners and material specs.PE stamp and signed engineering letter covering build use and scope.Manufacturing support package (welding/jig setup drawings, inspection checklist).Project management & consulting (up to 8 hours remote support during fabrication).One round of revisions after initial build feedback; additional revisions quoted separately.Timeline and delivery milestonesKickoff & requirements (1 week) — confirm engine, wheelbase, ride height, intended use.Preliminary concept & geometry (2 weeks) — 2–3 geometry options for selection.Detailed CAD & drawings (3–5 weeks) — full CAD, 2D drawings, BOM.FEA & engineering sign‑off (1–2 weeks) — analysis, report, PE stamp.Delivery & support (1 week) — final files, build checklist, support call. Typical total: 6–10 weeks from kickoff for a standard custom chopper.Payment structure and contract termsDeposit: 30% on contract signing.Progress payment: 40% at delivery of detailed CAD & drawings.Final payment: 30% on delivery of PE‑stamped documents and FEA report.Revisions: First revision included; additional revisions billed at $150–$300/hr.Licensing: Personal builder license included; commercial license available for +25–100%.Liability: Engineering letter limits scope to fabrication guidance; buyer responsible for final assembly and testing unless on‑site services are contracted.Add‑ons you can sell separatelyOn‑site build supervision or jig setup: quoted per day.Extended consulting: $125–$250/hr.Fatigue testing or prototype validation: quoted per test plan.Expedited delivery (under 3 weeks): +25–50% surcharge.Full turnkey manufacturing coordination (sourcing + vendor management): quoted per project.Marketplace listing (headline + 2‑sentence blurb)Title: PE‑Stamped Turnkey Chopper Engineering Package — CAD, FEA, BOM Price: $12,000 (custom quotes available) Blurb: Professionally engineered, PE‑stamped turnkey chopper package including editable CAD, full fabrication drawings, FEA report, and a complete BOM. Includes one revision and up to 8 hours of build support; commercial licensing and on‑site services available as add‑ons.Quick selling tipsShowcase deliverables (sample drawing thumbnails, FEA summary, and a clear list of files delivered).Offer tiered options (base turnkey vs. premium with on‑site support) to capture different buyers.Be explicit about licensing and liability so buyers understand limits and value.Use testimonials or past build photos to justify premium pricing.If you want, I’ll convert this into a short contract checklist and a one‑page sales sheet formatted for your listing using the $12,000 price.

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