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Member postings for DDH

Here is a list of all the postings DDH has made in our forums. Click on a thread name to jump to the thread.

Thread: Sourcing PETG Sheet
23/10/2019 07:45:15


Thread: Clubs as Operators?
22/10/2019 14:09:02

The best advice I have had is to wait until all the stuff becomes law and advice from the BMFA has been published.

Where further and better particulars/clarifications are subsequently required then advice should be sought directly from the BMFA.

Individuals or clubs embarking on 'frolics of their own' could result in attracting unforeseen and unwanted liability - .Ignorantia juris non excusat or ignorantia legis neminem excusat !!

Thread: Electric Thrust
22/10/2019 13:46:36

Well said.

You may care to note with the thrust calculator that it also demonstrates how changes to the values of thrust impact on the estimated air speed. e.g. varying the prop size and (especially) the pitch can significantly alter the air speed for the approx same magnitude of thrust. That said, if you want loadsa thrust you need loadsa HP/kW. There again, if you want to swing bigger or multi-bladed props then it's loadsa torque that's the key.

Variable pitch props are even more interesting!

22/10/2019 12:49:00

Thrust calculator

The results are almost as good as you'll get in practice. Check it out.

Thread: Cover and painting a plane
16/10/2019 08:47:39

Ah ha…two relevant articles in RCM&E 2019 Special Issue

- Tissue and Dope

- Your step-by-step guide to film covering


Thread: Filling a Hole?
16/10/2019 07:03:25

I'm told by those who know about these things that 'Copydex' adhesive is superior to PVA:


Edited By - on 16/10/2019 07:04:22

16/10/2019 06:58:51

Helpful info here re repairs to foamies:

Thread: Cover and painting a plane
16/10/2019 06:53:11

Helpful info here...

Thread: Forum members' new models: Let's see them.
15/10/2019 11:47:29

My Fire Bird.. Never ceased to amaze. Easily seen at night.

Fire Bird

Thread: How to convert an ic to electric?
14/10/2019 12:45:02

1 hp = 750 watts approx


4Max link: **LINK**

Thread: Forum members' new models: Let's see them.
14/10/2019 12:36:53


Thread: Ammo Box for Lipos ??
14/10/2019 12:07:44

I use 50 Cal Ammo Box 5.56mm Steel Tin 27cm x 14 cm x 17 cm. (ex-U.S. Army/Danish NATO).

Put layer of sand or ideally vermiculite on the bottom and never seal the lid down otherwise it’ll turn into a small bomb – unless you drill some vent holes that is. Stored outside in a dustbin – lipo storage charge level checked every 2-3 months.

Try Google or eBay.

For charging inside anywhere (e.g. house, shed, garage) – and transporting - I use Bat-Safe.


Thread: Spektrum newbie
05/10/2019 13:17:26

The WS1000 plugs into the a USB port on the PC and gives a wifi connection to the Tx. with Windows 10 (don't know about earlier versions). Interfaces easily with the RF8 Sim (recommended). I've used this sim on a 15.6" laptop and a 27" monitor on the PC - both work well, so you don't have to have a big screen.

Thread: indestructible slow flyer....
29/09/2019 07:47:46

E Flite Turbo Timber 1.5m - BNF Basic

Will fly at walking pace if you want it to.

A 21st Century trainer - and beyond (e.g. aerobatics etc)

Made of Expanded Polyolefin (EPO). If you break it, get out the glue and stick it back together. Where beyond repair, spare parts are available.

Comes complete. Just add battery and a Tx (Spektrum, of course).

Details given here :**LINK**

The Spektrum AS3X Rx it comes with can be swapped to a standard Spektrum Rx for the BMFA ‘A’ and ‘B’ Certificate tests.

Thread: batteries
19/09/2019 07:24:13

Wheelspin Models ship worldwide. Good prices and excellent service too.


Thread: Are all chargers unreliable?
19/09/2019 07:17:10

Overlander RC6-VSR 80W 7A AC/DC Charger

Highly recommended.

Further details at **LINK**

Thread: Falcon Aviation
02/08/2019 07:05:42

Falcon Aviation’s premises as shown on Google maps:


Impressive, what

02/08/2019 06:54:24

Try these links:




This site can’t be reached’s server IP address could not be found.

Thread: SIG Kadet LT-40 Build - My first proper build!
19/07/2019 09:54:47

Nu Me 1 please be mindful that you will need a BMFA ‘A’ Certificate before you can fly your finished build on your own. If the CAA gets its way (rather, when it gets its way) it will (by all accounts) be law this October. Then, flying without the said certificate voids the BMFA insurance cover.

Hope you have a good flying club not too far away that you can join (ASAP!) and get properly trained (and certified). Clubs will (should) have their own trainer airplane (or two) and their own dual Tx’s (buddy system) that have been set up for the trainer(s) they use. So don’t expect to be able to use your own model for training. If you join a club, you can run the build and training in parallel and, if things go well, your model will be ready by the time you have your ‘A’ Certificate. Then, away you go…

Just a thought.

PS. I’ll look forward to you posting the build pics.

Thread: The wonders of simulators.
14/07/2019 20:08:39

Civil and military pilot trainees spend hours and hours (and more hours) on flight sims before the ‘real’ thing. A lot of this training is about obtaining competence with very complex avionic system familiarisation and squillions of instrument displays etc. Nonetheless, RC models sims can be a very useful and helpful tool.

In this context, it’s about visio-spatials. Training eye/finger co-ordination is the key. A skill to be learnt/developed, like first riding a bicycle/motorcycle/scooter, driving a motor car, playing golf, such that this co-ordination no longer becomes a conscious response. [Note: if you have found you literally can’t do any of the aforesaid then you will have a big problem with flying!]

While it’s all a matter of personal preference, I’m an RF8 fan. Breeze to install and use (Windows 10). Wonderful graphics with screen shots and flight recording. A number of ‘challenges’ (some may say ‘games'} to aid visio-spatial skill development. A plethora of models to chose from – trainers, other top wing stuff, bottom wing intermediate/advanced, gliders, powered gliders, helis, jets, and even a STOL or two (Harrier, V-22 Osprey). Remarkable how the fight characteristics of all the models are so different. You can alter the visual size of the model without it affecting its aerodynamic behaviour – it’s so you can see it better, but to the flight software it’s the same size. Cunning!

I’ve used a 15.6” laptop and a 28” desktop without issue. Never ceases to amaze how the brain adapts to the visual scale. So, you don’t’ need a big PC monitor.

However, laptop/desktop sims will lack the reality of width of peripheral vision and (especially) the depth-of-field. But, crashes are not an expense!(see my avitar - nose in the ground)

If you have a Spektrum Tx there is a Spektrum WS1000 USB dongle available (about £28) that wi-fi connects, so no cable [don’t know if it works with other brands of Tx].

Just a thought.

Edited By DavidH on 14/07/2019 20:12:36

Edited By DavidH on 14/07/2019 20:13:10

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