CLICK HERE for details on registering to use the classifieds service.

The most effective way of avoiding scammers is to ensure you do not provide email addresses or phone numbers in your listings and to use the classifieds messaging system (Ask Question) which is only available to registered BMFA members.

 Click here for guidance on avoiding scammers and examples of scammer communications. 

We strongly recommend users do not pay for items using Paypal Gift or Bank Transfer, you have no buyer protection if you do.

Search Category:
Sort By: No of Items:
Helicopter Accessories & Spares
sorry sold
Posted By: Stanley Lane
Expires 01-Oct-2021 02:21:12 PM
Email friend
Report abuse
Views 96
Advert ID 113606
for use in calculateing your helicopters main rotor speed therefore enableing you to choose the correct pinion gear eg lower head speed increases flight duration ideal for scale flying higher head speed is more suitable for 3d flying
Contacting the Advertiser
To contact the advertiser click on "Ask Question" or use the other details below if provided. Ask Question is only available to registered members
Ask question
Tel No -
Mob No +447806302815