O.S. Engine OS23870000 Propeller 42mm for 21XM  [OS23870000]

O.S. ENGINES MARINE PROPELLER 42MM FOR 21XM
Price:
£7.40
Brand:
O.S. Engine
Model:
OS23870000
GTIN:
4531028128620
Condition:
Brand New
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alt="O.S. ENGINES MARINE PROPELLER 42MM FOR 21XM" title="O.S. ENGINES MARINE PROPELLER 42MM FOR 21XM"

21XM 42mm Marine Propeller Overview

This 42mm marine propeller is provided as an RC-scale spare intended for 21XM-designated models. The sale is for the prop only, not a complete assembly, and it is aimed at hobby marine models.

Compatibility corresponds to the "for 21XM" wording in the product title; confirm your hull and shaft match a 42mm prop before fitting. Fitting normally requires the correct prop adapter and retaining hardware on the shaft; verify fit and engagement before first operation.

Selecting a different prop diameter changes thrust and rpm behavior. Fit this prop when matching original performance or when evaluating slight thrust changes on small RC boats, and always complete static checks and a cautious low-throttle run after installation.

Is this an original manufacturer part for 21XM?

This item is offered as a replacement prop compatible with 21XM-designated models; confirm compatibility rather than assuming it is supplied by the original hull manufacturer.

What checks are essential before launching?

Ensure the prop is securely fastened, check for any blade damage or imbalance, verify the correct adapter is used, and perform a short low-throttle run to confirm safe operation.

Will this prop fit earlier 21XM variants?

Fit depends on shaft diameter and adapter type. Measure the shaft and confirm the adapter style matches; if unsure, compare the existing prop and adapter dimensions before purchase.

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