Home / Alan Flockhart

Alan Flockhart

2018 League Dates

The 2018 League will be held on the following dates. There will be 5 events with no rain date. The league placings will be calculated as follows – 5 from 7 events / 4 from 6 / 3 from 5 or less events. 22 April – League 1 – Warboys ...

Read More »

UK Eurotour, Nats & League 4 – Bickley

More details shortly – Article in the process of being completed. Results for the Eurotour are available – Eurotour-Bickley-2016-exportk Results for the UK Nationals and League 4 are available –  UK-Nats-League4-Bickley-2016-exportk.

Read More »

17 April 2016 Warboys – League 1 – Report

All in all a great day was had. I couldn’t believe the luck we had with the weather. Beautifully sunny day and low wind conditions for Warboys. Numerous thermals but unfortunately they were not always on the course when it mattered (ie when I was flying!). The days before were ...

Read More »

General Rules Information for an Event

The details below apply to all the classes which are flying in the UK F5B / Intermediate / F3BE leagues. Hopefully all common sense and they are just there so everyone knows what happens if something goes wrong. Above all we are there to enjoy ourselves and fair play should ...

Read More »

Hub Removal

Sometimes a prop hub will seem to get stuck on the motor shaft – this is usually when you are in the greatest hurry to get the hub off for some reason, so a means of pulling it off quickly and simply without damage to model or motor is useful.Faced ...

Read More »

Hubs & Spinners

F5B props are designed for very high speeds and so often have a very high pitch which will prevent them from folding flat to the fuselage. This creates more drag on the glide which we definitely don’t want.If a prop hub is made with the blades offset from the centre ...

Read More »

Couple little xls utils developed over the years

Watt Minute Calculator. In the absence of a UniLog this will give you an indication of watt minutes used in your flight. F5B Flight Data This will give you the set times / motor time from the course txt files.  The ST2.txt file is a sample file to see how the ...

Read More »

Mike Seale’s Version of the regulator

Here’s my example of the voltage regulator design originally published by George Shering.  I’ve made it a little bigger than the original in order to dissipate more heat.  This is probably not necessary for F5B but I plan to use these regulators in some of my sport models too and ...

Read More »

Steve Burns Regulator Setup

This is the way Steve is powering his receivers now. The items used in this example are a 2s Lipo 360mAh, a safe switch which was purchased from Hyperflight in the UK and a Castle Creations BEC. The lipo can be left connected as the power consumed by the switch ...

Read More »

George Shering Receiver Power

For a decade and more I used four Sanyo N110 NiCd cells to power the receiver and servos. The energy used for an F5B flight I measured at 25mAhr for a two servo wing (Surprise 11) and 40 mAhr for a four servo wing (Avionik B06). So the 110 mAhr ...

Read More »