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Member postings for Doc Marten

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

Thread: Making Steel Fittings. Question.
03/04/2020 15:12:27

A jewelers saw and metal blade cost about a tenner Richard, make up a small cutting support and you're away.

Thread: Benefits of the lockdown
03/04/2020 14:21:31
Posted by john stones 1 on 03/04/2020 14:19:18:

We get to spend more time together on the forum. wink

Forum hug😇

03/04/2020 14:16:29

Wimbledon cancelled! 🥳

Thread: Shops closing
25/03/2020 13:31:02

My local is still doing mail order as are many others, I'll continue to use them.

Thread: Can I or can I not fly?
24/03/2020 09:44:41

It's quite clear that any group of more than 2 (unless from the same household) will be liable for a fine. 

Will you pack up if more arrive? Who has priority, the first to arrive or the last, oldest or youngest, long time member or newly joined?

If you think you can justify being out if you are challenged by the authorities then do so, but accept the consequences if you fail.

Edited By Doc Marten on 24/03/2020 09:47:35

Thread: Insanity seems to be setting in
22/03/2020 22:08:41
Posted by Keiran Arnold on 22/03/2020 20:34:39:

Blot bang rub (for those in the know 😉

Be in time, mask in 9.


Thread: DB Mannock Dummy Exhaust Pipes
22/03/2020 17:58:31

Looks good that mate.

Thread: Home viewing - Avaition Treats from 20th March 2020 onwards
22/03/2020 15:10:05

This is the sort of thread we need on here, rather than the Covid ones.

Nice one guys.

Thread: IC Engine Bearings...
20/03/2020 14:27:47
Posted by Nigel R on 20/03/2020 11:16:54:

crank (nearly) floats in the rear bearing gents, the crank is not pressing against the bearing's inner or outer races... remember how easy it is to get the crank free with a light tap when disassembling (assuming you don't gum your motor with castor, but that's a different argument)

front bearing is held tightly as jon says by prop driver against step in crankshaft

rear bearing takes all the pulsed rotary loads from conrod, I guess it needs the extra size due to magnitude of torque peaks

Edited By Nigel R on 20/03/2020 11:19:34


In simplified terms the front bearing takes the forces in the horizontal and vertical plane whilst the rear takes the vertical through their means of mounting.

Edited By Steve Hargreaves - Moderator on 20/03/2020 19:48:45

Thread: 35 MHz crystals
19/03/2020 16:20:01

It's a sound reason for keeping the dedicated RC frequency occupied for sure.

19/03/2020 13:47:11

Fair enough, shame not to use decent trannies though.

19/03/2020 12:47:03

It may be best to start on a new frequency Paul.

Inwood's are selling NOS crystals for £3 each with free postage.

19/03/2020 12:28:17
Posted by Bob Cotsford on 19/03/2020 10:07:15:

Peter, I still have both my FF8 and FF9s though I think I only have one module between them and no ideas where I may have put their aerials. Maybe I should polish them up and use them as wall art?

Why not use them on 35meg?

They are both quality TX's and modules are about £10, if not a 2.7gig module is about £30.

Thread: Replacement Charger?
13/03/2020 23:23:19

I like the Turnigy Reaktor, it also has a foam cutting programme in the menu.

Thread: How to Make Wheels, Mannock Build Part 14
13/03/2020 23:01:44

I'm enjoying following the build Cliff, thanks for posting.

My tip for making anything round and symmetrical is to bolt all your blanks together and chuck it into a power drill then sand to shape, it saves a lot of time, is accurate and it's repeatable.

Hope this is useful, keep posting chap.

Thread: Insanity seems to be setting in
10/03/2020 22:29:13
Posted by Peter Miller on 10/03/2020 21:04:39:

But then the dyers and cleaners had potties outside in the street to collect an essential item for treating garments. Think about it!!

(My mother was totally wrapped up in Roman history.)

When it decomposed it turned to ammonia and was used for fixing the dye.

09/03/2020 18:09:40

Double post

Edited By Doc Marten on 09/03/2020 18:10:37

09/03/2020 18:06:24

It's pack mentality Pete, the panicked start buying in bulk because they're worried that they'll get get beaten to it, everyone else starts bulk buying because they can see that the panic buyers are limiting the supply but instead of buying reasonably, they buy in extremes because the media are showing others doing it.

Meanwhile the sensible, stable among us watch in amazement but suffer the shortages because we didn't follow suit.

Thread: Peter Miller asks what next?
08/03/2020 15:16:45

How about a Fiat CR42?

Thread: electric to oily motor conversion
05/03/2020 20:46:49
Posted by brokenenglish on 05/03/2020 20:31:05:

OK, my bit of input:

I'm an i.c. engine fan and always have been. However, there's no doubt that on a powered glider type of aircraft, an electric setup would be a lot more convenient to operate, not to mention the possibility of switching the power on and off at will. Even being an i.c. man, I would go electric in a powered glider.

However, if you really want to use an engine, a small diesel (PAW) would be a much better bet than a reed-valve 049. Production quality isn't the issue. A reed valve with no accessible carburettor is a recipe for inconsistent running, and that's what you get. I've never understood why so many people accepted that...

100% agree with every word.

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