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Radio Holder Screw

by Jérôme Daoust, revised 2022/1/27-c


Baofeng

 

The original screw (x2) intended to hold a belt clip (thin metal base), for radio models BF-F8HP, UV-5R and maybe also UV-B5 (obsolete model, has about 1 mm wider screw spacing):

·       Round Pan Head, Phillips, M2.5-0.45 x 8 (Machine type, 2.5 mm diameter, 0.45 mm pitch, 8 mm length).

·       Picture, 2021/12/18.

 

Supplier recommendation:

·       Guard4U 300Pcs Metric M2.5 Stainless Steel Phillips Pan Head Machine Screws Nuts Assortment Kit. Amazon link.

 

My setup:

·       Goals achieved:

o   Radio with large battery capacity and choice of Tx power: BF-F8HP (2100 mAh, 7.4 V, Tx at 1/4/8 W).

o   Radio on top of flight deck surface:

§  Stays in place during battery removal/install (for charging), avoiding flexing the antenna connections.

§  Easy access and view in flight of the volume knob, PPT button and keypad.

§  Protected when flight deck lid is closed (when not flying).

§  Secure: Radio held by 2 screws, bracket held by 2 cable ties, antenna flexible cable acts as an extra tether.

o   Antenna is vertical, for better transmission. Antenna inside lower flight deck prevents external bending forces or poking.

·       Screw length used: 10 mm length, instead of the original 8 mm, for holding the thicker plate.

·       Pictures (2021/12/25) of U-plate holder I made:

o   Dimensions and Iso view.

o   Over the deck (antenna connector improved since: Picture, 2022/1/12). Held by cable ties: 40 lb strength. 1/8" wide, 5" long.

o   Under the deck (cable end changed to a 90° angle: Picture, 2022/1/12). Showing 4x ends of cable ties, with plastic washers to distribute the pulling load.

·       Antenna connectors.