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SG (Simple Governor) mechanical-hydraulic speed droop governor · SG Governor
Obsolete
No longer orderable new (last-time-buy ended Apr 1, 2023).
The published repair window ended Oct 1, 2024. Contact Drake — overhaul may still be possible.
Note: Listed in Table 4-1 with PSG retrofit part number 'Not Currently Available' (configuration columns blank). Per the AN 51650 conversion procedure, Woodward's upgrade team will identify or create a compatible retrofit PSG part number on request (SG part number + serial number) — route through Drake. SG family is inactivated (production stopped) per Chapter 1. Line-level dates per the SG Product Support Statement: production stopped April 1, 2023 (inactivation / last time buy); repairs based on availability through October 1, 2024.
Lifecycle facts
| Woodward part number | 8511-200 |
|---|---|
| Product family | SG Governor |
| Lifecycle status | Obsolete |
| Last-time-buy | Apr 1, 2023 |
| Inactivation | Apr 1, 2023 |
| Published repair window | Oct 1, 2024 |
| Source | Woodward Application Note 51650 rev – (06/2024), SG to PSG Governor Retrofit Guide (B51650_-.pdf) p.15; SG Product Support Statement pp.1-2 |
| Cross-reference confidence | Confirmed from the cited Woodward publication |
Source: PCN 51650
✓ Sourced directly from the cited Woodward publication — Drake confirms the exact part before quoting
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