# Archery: sources and verification log

Checked 3 Oct 2026 (IST). Every fact on the page comes from the source listed here or is standard physics worked on the page. Coaching fees, membership charges, phone numbers and email addresses were deliberately **not reproduced**.

## 1. Physics (standard science, worked on the page)

| Item | Basis | Status |
|---|---|---|
| Stored energy ≈ ½ × draw force × power stroke; 8.75 in brace height; 75% to the arrow | linear-spring approximation; brace height and efficiency **illustrative** | recomputed (40 lb, 28 in → 43.5 J, 32.6 J, 57.1 m/s) |
| No-drag flight: t = d/v, drop ½gt², launch angle ½·asin(gd/v²), max range v²/g | projectile motion | recomputed (70 m → 1.23 s, 7.37 m, 6.1°; ≈ 330 m) |
| Angular size of the 10-ring; sight-pin lever 0.8 m | geometry; 0.8 m **illustrative** | recomputed (1.74 mrad; 1 mm → 88 mm) |
| Compound let-off 80% / 75% | **illustrative** values | recomputed |
| Archer's paradox, spine, fletching, breathing, crosswind drift, dry-fire warning | general archery and physics knowledge | qualitative only |

## 2. Governing bodies

| Item | URL | Status |
|---|---|---|
| World Archery: international federation for the Olympic sport; target archery up to 90 m, standard 70 m recurve and 50 m compound; five-colour target, 10 zones and colour values; recurve face 122 cm with 12.2 cm 10-ring; compound face 80 cm with 8 cm 10-ring, outer four rings usually removed; barebow 50 m on 122 cm | https://www.worldarchery.sport/sport/disciplines/target-archery | loaded |
| World Archery education: international judges need current accreditation for major events; coaching programmes from beginner to elite and coach trainers; courses in Lausanne, regional hubs and on request; beginner awards open to all; performance awards run by national federations | https://www.worldarchery.sport/sport/education | rendered in headless Chrome |
| AAI: founded 8 Aug 1973; registered under the Societies Registration Act; recognised by MYAS; affiliated to World Archery, World Archery Asia, SAAF, IOA; recurve, compound, Indian round, para; 35 state/UT associations + 9 sports boards/institutions; pathway via national championships, NRATs and selection trials | https://www.indianarchery.org/about | rendered in headless Chrome (JS site; indianarchery.info redirects here) |
| AAI calendar 2026: West Zone Level-1 Coaches Workshop, Nadiad, 11–14 Oct (Gujarat State Archery Association); 46th NTPC Junior National (recurve, compound, Indian round), Jagatpura Shooting Range, Jaipur, 20–27 Oct (Rajasthan Archery Association); senior Indian round, compound and recurve nationals, Shillong, 10–17 Nov (Archery Association of Meghalaya); 4th NTPC NRAT, Gangtok, 20–29 Nov; Asia Cup World Ranking Tournaments (Sulaymaniyah, Hangzhou) | https://www.indianarchery.org/calendar | rendered in headless Chrome |
| AAI member units; registered archers | https://www.indianarchery.org/organization/member-unit · https://www.indianarchery.org/registered-archers | HTTP 200 (JS pages; content of the member list not reproduced) |

## 3. Places and programmes

| Item | URL | Status |
|---|---|---|
| DDA Yamuna Sports Complex: coaching for members and non-members in sports including archery | https://dda.gov.in/yamuna-sports-complex | loaded. Coach name, timings, fees and phone **not reproduced** |
| DDA Archery Promotion Scheme: launched July 2015 at Yamuna Sports Complex; boys and girls selected through trials advertised in the media | https://dda.gov.in/nuturing-sports-talent | loaded. Kit/stipend details not used |
| Tata Archery Academy, Jamshedpur: formally inaugurated 4 Oct 1996; residential centre of excellence; archery ground at the JRD Tata Sports Complex | https://www.tatasteel.com/corporate/our-organisation/sports-19/ and https://www.tata.com/newsroom/community/tata-archery-academy-25-years | loaded |

## 4. Not verified / left off

- **Khelo India "Delhi Archery Academy"** page (web.kheloindia.gov.in) did not respond to our fetchers. **Not listed.**
- **Tata Archery Academy trial criteria** (age, height) were only in a 2024 news report. **Not stated.**
- **World Archery rulebook pages** (rulebook.worldarchery.org) did not load, so no rule-article details beyond the target-archery page are used.
- **Indoor 18 m face sizes** were not checked, so they aren't given (18 m appears only as a lab distance).