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Member postings for David P Williams

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

Thread: World Models Pilatus Porter P6
11/01/2019 10:08:26

Isn't Lithium Ion just a more generic term covering LiPo, LiFe etc? I don't see any problem or nefarious intent or advantage being gained.

Thread: Sequencer question
10/01/2019 10:43:28

Digger - you can't sequence things on a Y lead on the same channel. You just need one of these to control the lights. I do this all the time, usually to have the lights come on when flaps are lowered (fixed undercarriage!)

Thread: Antonov AN2
09/01/2019 10:49:10

I had the Maxford USA Antonov (since sold to someone else on here) and it flew very nicely, but crosswinds were a handfull with those big slab sides.

Thread: Autogyro project
09/01/2019 10:24:50

Found it - it's halfway down the page here

09/01/2019 10:18:13

Roy - if you have a look through the large Panther autogyro thread on here you will see at least one example with a pre-rotator built using the main gear and one-way autorotation clutch from a 450 size heli, so the rotor never drives the motor.

Thread: Dave Burton (BEB)
31/12/2018 20:19:02

Unfortunately I never met him, but corresponded via the forum on various things. What a helpful, knowledgable and thoughtful man. I will really miss his contributions here.

Thread: IC Engine Control
26/12/2018 16:30:20

If you mean SMFC at Forton, Bryan, I'll see you there when it warms up a bit!

Thread: Christmas 2018 Gifts
25/12/2018 12:17:35

A pile of books, some smelly stuff, chocolates........and a set of Permagrit spar slotters, whoopee!

Thread: Panther Trainer Autogyro
08/12/2018 17:29:32

OK thanks. I have both 4 and 6oz available so I'll try to fit the 6 in.

08/12/2018 16:32:05

Thanks Sreve, I've looked through your album - I had seen some of these earlier in this massive thread. I'm surprised you moved the bulkhead forward, I was expecting to have to move it back to keep the prop in roughly the same place but I guess that doesn't matter much. What was the reason for moving it forward rather than just leaving it as per plan?

08/12/2018 12:43:52

Hi all - I bought a parts set from Sarik with their 10% off offer and am just starting to build the Panther. It will have an SC52FS and I just wanted to ask those who have gone this route whether they moved the firewall back or just fitted the engine to the firewall in it's plan position and had a longer nose>

Thanks, David

Thread: Home Insurance
06/12/2018 19:59:32

Walker Midgeley Insurance Brokers used to offer specialist select insurance cover for Modellers and Model Engineers, covering Models, Ancillary Equipment, Road Trailers, Home workshop etc. They always had a stand at the London Model Engineering Exhibition.

However, their website seems to have changed significantly since I last looked, and I can't find any reference to this now, although they may still offer it.

Thread: Retired, Returned, Looking for a club near Telford
02/12/2018 11:24:38

I'm a member of the Shropshire Model Flying Club, near Montford Bridge not too far away, new members welcome. There is also the Telford Club which will be closer for you.

Thread: Low wingers,very twitchy,recommend expo.YES/NO
23/11/2018 17:43:30

I have an Acrowot ARTF with a 70fs and I needed no lead, in fact I had to move the battery towards the rear to balance. It flies perfectly even though it now has a variable CofG as the pilot has come unglued and rattles backwards and forwards. I don't want to cut the glued-on canopy off to fix it - still flies fine.

Thread: What is going on with Royal Mail ??????????
13/11/2018 10:49:31

I live in a fairly remote rural location where one postcode covers almost all of the village, many small lanes have no name (certainly no signs), most houses just have names, and the 'post town' in the official address is 12 miles away, so delivery people often have a hard time finding us.

Our local postman is fantastic, and his stand-ins when he's away are also good. Courier drivers are hit and miss - we used to always get the same DPD chap and he was fine, but now it's a different one every time. The Hermes chap is also great as he has been doing this round for a couple of years.

The thing that really annoys me is when they just give up, or are in the 'post town' at 4:30 and can't be bothered to come out here, and I get an email saying 'As you requested the delivery has been rescheduled for tomorrow'. I don't really mind if they can't deliver it on the day, it's rarely time critical, but I get really annoyed when they tell me I have requested the change.

Thread: workbench design?
12/11/2018 14:21:19

Nigel - yes as I said, I'm fortunate. When I did early retirement I downsized and looked for (and found) a decent workshop with bungalow attached.

12/11/2018 12:43:13

I'm a fan of standing at the building bench and of being able to access all sides. I'm fortunate that I have a fairly large workshop space so have the standing bench in the middle but other lower ones along the sides that I can sit at for fine work, soldering, etc.

The main bench is homemade using a surplus length of kitchen worktop. It's about 7ft long and 1 metre high (sorry about mixed units!) and I find that height perfect for me - I'm 5' 10". I also have an industrial rubber anti-fatigue mat to stand on and this makes a huge difference to all-day building sessions.

A couple of pictures below from when I first set up the workshop a few years ago - it's much less tidy now.

workshop 004.jpg

workshop 005.jpg

Thread: Biggles' Mess (the renamed cafe!)
07/11/2018 16:11:17

1/2 (half) is 4.5 ninths, 1/3 (third) is 3 ninths plus 1/9 totals 8.5 ninths, so the old man wasn't doling out all the horseflesh.

Dividing the 17 exactly would leave 0.5 ninths of 17 or 17/18ths of a horse over. Doing this with 18 leaves a 0.5 ninths of 18 or 18/18ths i.e. a whole horse over.

The surplus 17/18ths of a horse has been used by giving son one 0.5 of a horse extra, son two 0.333 of a horse extra and son three 0.111 of a horse extra, totalling 0.944 or 17/18ths so they all got more than the old man intended.

Thread: Spektrum transmitter for a beginner
07/11/2018 08:17:21

Isn't that just because the RXs will work in DSM2 as well as DSMX? The early DX7 (I have one also) was definitely DSM2 only.

Thread: Electrifying Top Flite Stinson Reliant
06/11/2018 19:05:03

Yes that's the chappie Eric - good size isn't it? What engine did you use - looks like the dummy is set up for a Laser v twin?

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