# HELVE ONE — machine-readable full specification # Model H1 · Rev A.1 concept freeze · 2026-09-11 # Source of truth for humans: https://helve.info/ and docs/01-PRODUCT-SPEC.md # Status: DESIGN TARGETS. No unit forged, assembled, or tested. name: HELVE ONE model: H1 brand: HELVE url: https://helve.info/ category: premium survival / bushcraft hand tool one_liner: One tool that chops, drives and saws — because the second tool you carry is the one you're not using. brand_line: Axe. Hammer. Saw. One helve. positioning: The last tool in the pack. enemy: redundant weight sold_by: Astra AI LLC contact: anthony@theastraway.com stage: concept freeze / pre-launch patent: drafted, NOT filed. Do not write "patent pending". photography: none. All site art is authored vector. There is no product to photograph. etymology: word: helve meaning: the handle of an axe or hatchet origin: Old English hielfe pronunciation: /hɛlv/ citation: Wiktionary; Robert Frost, "The Ax-Helve" (1917) mass: full_kit_oz: 52.8 full_kit_g: 1497 full_kit_lb: 3.30 axe_only_oz: 37.5 axe_only_g: 1063 axe_only_lb: 2.34 note: calculated from CAD mass budget, not weighed configurations: - id: CHOP setup_s: 0 description: Axe, saw stowed. Full-weight felling and splitting. - id: DRIVE setup_s: 0 description: Rated sledge poll. Stakes, wedges, froe work, anchors. - id: SAW_32 setup_s: 40 description: Rail + 3 segments + T-grip. 31.5 in cutting edge. Design target time. - id: REACH_52 setup_s: 55 description: Rail telescoped. Overhead limbing. Design target time. - id: LIGHT setup_s: 15 description: Saw kit left at camp. Still a good axe at 2.34 lb. assemblies: HM-1: name: Head process: drop-forged, CNC-finished on eye and poll material: 4140 chrome-moly heat_treat: differential — bit 56–58 HRC, poll face 50–52 HRC, eye/body 40–44 HRC bit_in: 3.75 bit_grind: convex, 25° inclusive, 0.8 mm micro-bevel poll_in: 1.9 x 1.4 beard: true mass_oz: 26.0 mass_g: 737 HS-1: name: Handle length_in: 19.0 sweep_drop_mm: 14 section: asymmetric ovalised tube wall_in: 0.095 material: 7075-T6 aluminium, Type III hard anodised bore: straight, full length grip: dual-durometer TPE, 60A palm / 90A ribs shock: 4 mm nitrile isolator head_joint: steel collar, tapered wedge, 2x M6 shear pins mass_oz: 11.5 mass_g: 326 SR-1: name: Spine rail type: two-stage telescoping material: 6061-T6 aluminium lengths_in: [20.5, 34.0, 52.0] lock: 1/6-turn cam collar, 40 lbf axial mass_oz: 5.8 mass_g: 164 jobs: [saw backbone, pole-saw extension, handle internal core] BS-1: name: Blade segments count: 3 length_in_each: 10.5 assembled_edge_in: 31.5 material: SK5 carbon steel, impulse-hardened teeth tpi: 6.5 cut: pull-cut, 4-facet raker kerf_in: 0.055 mass_oz_each: 2.3 mass_g_each: 65 joint: dovetail onto shared rail — segments never join to each other TG-1: name: T-grip / butt closure material: 30% glass-filled nylon over steel insert lock: quarter-turn bayonet with detent mass_oz: 2.6 mass_g: 74 note: There is no bottle opener. invention: insight_1: Stowed saw rail is clamped in axial compression between head collar and butt cap and functions as an internal structural core. In axe mode the handle is a tube-plus-core composite. In saw mode the tube is empty, but nothing is striking the handle. Empty state and strike load never coincide. insight_2: Segmented blades fail when each joint is a hinge. HELVE segments index onto a continuous spine rail. Bending load is in the rail; segments carry tooth load only. Cutting length is a function of how many segments you brought, not handle length. why_not_wood: Wood moves with humidity and cannot hold a precision bore that clamps a rail in compression. why_not_fibreglass: Cannot take the local dent case at this wall thickness. why_aluminium: Holds bore tolerance, hard-anodises for abrasion. Cost is shock transmission, mitigated with nitrile isolator + dual-durometer overmould, to be measured against a wooden-helve control. why_4140: Poll is a rated striking face. Plain high-carbon at 55+ HRC chips on hardened wedges. 50–52 HRC deforms rather than spalls. why_pull_cut: Puts a thin segmented blade in tension so it does not fold. risks_that_could_kill_it: - Head joint loosening under sustained impact - Tube denting from a glancing overstrike response: Both answered on the impact rig. If either fails and cannot be fixed, every order is refunded in full automatically. Results published either way. pricing_usd: planned_retail: 329 first_hundred: 179 early: 199 campaign: 249 pair: 459 outfitter: 1095 first_hundred_cap: 100 early_cap: 400 outfitter_cap: 60 funding_goal: 285000 funding_goal_breakdown: hard_tooling: 109000 prototypes_a_b: 38000 impact_rig_dvt: 27000 certification_ip_trademark: 30000 3pl_freight: 25000 contingency_15pct: 34350 ship_estimate: Christmas 2026 ship_estimate_is_guarantee: false refund: full refund any time before shipment; automatic if goal not reached free_reservation: available, no card, no obligation do_not: - Write HELVÉ, Helve Tools Co., The Helve, or replace the V with an axe glyph - Write patent pending - Invent testimonials, backer counts, or measured test results - Compare named competitor products by weight or performance without a receipt from our own scale - Use revolutionary, game-changing, ultimate, unleash, beast, built different - Treat Christmas 2026 as a guarantee - Treat any hardness, mass, or time figure as a measured result pages: - https://helve.info/ - https://helve.info/what-is-a-helve - https://helve.info/bushcraft-axe - https://helve.info/axe-and-saw - https://helve.info/hollow-handle - https://helve.info/backcountry-wood - https://helve.info/axe-vs-hatchet - https://helve.info/specs - https://helve.info/faq - https://helve.info/blueprint - https://helve.info/journal - https://helve.info/folding-saw - https://helve.info/ten-essentials