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Member postings for mal brewer

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

Thread: Wots Wot, swept wings or not?
19/07/2012 22:25:39

No Alan,you've got it wrong.If the wings are swept back,it does have the effect of lengthening the nose,requiring a lighter engine.For the record,my Wot's Wot has both wings swept ( by far the best looking option IMO,)an Irvine 72,and balances and flies well with no additional ballast...............Mal

Thread: OS (steam) Engines
14/07/2012 23:50:09

Yes, there was a chap by the name of Parker,I think it was David Parker, who built and flew a radio-controlled steam powered model in around the 1970's.I think it was around that period,but I stand to be corrected on the exact date. The model,including a home-built power unit and boiler,was described in an article in RCME .....................................Mal

Edited By mal brewer on 14/07/2012 23:51:53

Thread: Polyester resin
05/07/2012 11:41:46

Hi Woody,

the old K&B finishing resin was a polyester resin,and gave an excellent base for the finishing paint,or it could even be used as the finish.It would sand back beautifully,or could be polished to a mirror gloss.Be a bit wary using it near any foam,as it will dissolve it in a flash.Ensure ther are no gaps in any veneer covering if using it on foam wings for example.Otherwise,no problems,but I do think modern epoxy resins are superior.However,if I was given some polyester,I would certainly use it.....................................Mal.

Thread: Fixing ply formers into a glass fiber fuselage
26/06/2012 16:16:52

It might appear that epoxy will adhere to polyester.It will stick to polyester,but it won't bond to it,give it a sharp thump and it will break away cleanly from the polyester............................Mal

25/06/2012 21:13:00
Posted by Danny Fenton on 25/06/2012 20:36:38:

Hi Mal, Woody is spot on, if you are struggling to recognise what you have, sniff it. Polyester pongs

Cheers

Danny

Hi Danny,

one of us is getting a bit confused! It's not me with the fuse,it's Woody !

Hi Woody,

yes you'd be best e-mailing Mick Reeves,but he doesn't always answer . Looking at the fuse,it looks like polyester resin. Normally a polyester resin was used on older models,and you will find it is quite a thick,fairly rigid moulding,with quite coarse strands on the inner surface,such as you describe,Also,as Danny says,it pongs! If you don't know what polyester smells like,take the fuselage to a car body repair shop,they'll soon tell you..............Mal

25/06/2012 18:50:45
Posted by woody on 25/06/2012 18:10:54:

Hi guys

Does anyone have any tried and tested ways of fixing ply formers into a glass fiber fuselage?

I was thinking of epoxy and glass matt around the edges??

Especially the firewall as i am fitting a jc26 petrol engine into it, its a 1/6 spitrife.

thanks woody.

spitfire fuselage.jpg

Hi Woody,

the method you suggest is the way I would do it.However,depending on the type of fuselage moulding the fixing medium will differ.If it is an epoxy/glass moulding,then fix it with epoxy resin and matting.If it is a polyester/glass moulding,you must use polyester resin and matting.Polyester resin is the sort used normally for car bodywork repairs,and can be obtained from the likes of Halfords.......................hope this helps you a little...................Mal.

Thread: Vickers Viscount
06/05/2012 18:30:48
Posted by Biggles' Elder Brother - Moderator on 06/05/2012 17:29:03:

As a kid I used to haunt Liverpool Airport - sitting on the viewing terrace (officially 3d to get in but the guy taking the money knew me after a while and used to let me go up free!) You could see loads of Viscounts, probably the most common type. And wow were they niosy! Almost unbearable to stand by while they were starting off. For ages I used to think that all aeroplanes made that discinctive screaming turbo-prop noise!

It would be nice to see one as a model.

BEB

Hi BEB,

you'll have seen a version of the model referred to above hanging in Steve Webb's for quite a while, his dad,Fred,built it. As a matter of interest,the designer of the prototype model came from not far from your location.His name was Maurice Bodey,and together with his brother Pete,founded the Heswall MAC,flying from the football field at Gayton Road.Heswall MAC is now known as Deeside MAC,and,as you know,fly at Sealand.Maurice designed many c/l models,and specialised in multi-engined types,such as the Dakota,Halifax,Black Widow,and Fokker Friendship.I used to go round to his house every wednesday night for a 'gab' and a cup of tea.He had a strange habit of not letting anybody see his models partly built,I used to sneak a look when he wasn't looking.He unfortunately died about 3 years ago,a sad loss and an out and out modeller....................Mal

Thread: Be honest! How many unstarted kits do you have?
19/04/2012 19:04:13

Just found another one......................

Flair Astro Hog.........................

19/04/2012 18:53:35

mmmm...........let's try to remember them all............

Chris Foss Acrowot

Ben Buckle Southener 60

Dave Platt 82" FW 190

Micro-mold P51b Mustang (quite an old kit)

Brian Taylor 83" Spitfire (belair kit)

Brian Taylor 82" Corsair (belair cut kit)

Flair 1/4 scale Tiger Moth

1/4 scale Taylorcraft (artf)

world models LA Racer (artf)

72" Pitts Python (artf)

Pulse 40 (artf)

1/32 scale mosquito (airfix,does this count?)

1/32 scale Me 110 (ditto)

1/24 scale spitfire (ditto)

1/24 scale fw 190 ( ditto )

I think that's them all,Though possibly something else will turn up.Models built,but not yet finished,( most require painting,waiting for warmer weather )

Great Planes Super Sportster 72" ( kit built )

Wot 4 (artf )

Wot 4 ( kit built )

1/4 scale Krier Kraft Acromaster ( own plans / o/d )

1/5 scale FW 190

1/4 scale Little Toot

plan built Deacon ( got to get it ready for Greenacres )

Think I'd better get building soon.............................Mal.

Thread: Any Idea What This Is ???
16/04/2012 22:22:53
Posted by Alan Randall on 16/04/2012 21:22:23:

Reminds me of the Mk1 Keil Kraft Ranger C/L team racer, but of course bigger.

Hi,the two Alan's and Paul,

it also reminded me of a Keil Kraft model,but not the Ranger.It's almost identical in appearance to the slightly larger class 'B' team-racer, the Pacer.The main difference,apart from this model being somewhat larger,is that the Pacer was a mid-wing model,otherwise,the general lines are pretty similar.....................Mal.

Thread: No More Mystery - it's a BipaBlast 2
23/02/2012 23:53:41

Archie........................................?

Thread: Alloy Spinner stand off......
14/02/2012 19:45:47

 

Posted by Peter Ward on 14/02/2012 19:11:02:
 
 
So, a 1/2 inch UNF bolt uses a 1/2 inch spanner but the bolt shank and thread are obviously smaller.

a 1/2"" UNF bolt has a thread and shank diameter of 1/2",and will obviously use a spanner of a larger size,commonly known a an af (across flats) spanner,i.e. a 1/2" AF spanneris 1/2" across the jaws.UNF bolts are always referred to by the diameter of their thread,i.e. a 1/4" UNF has a diameter of 1/4",etc.,but it will not use a 1/4" spanner,the spanner to fit will be,I think,a 1/2"" AF for 1/4" UNF,i.e. the spanner uses the measurment of the bolt head..................................Mal.

 

 

Edited By mal brewer on 14/02/2012 19:51:08

Thread: Super Tigre s2000 25.cc help
29/12/2011 20:00:20

Hi,
I've never had a Super Tigre 2500, but I ran for many years a ST 2000,also a ST3000,which are basically the same engine,although of differing capacities.I found them to be ultra-reliable running on straight fuel containing only 10% oil.They did have to be set slightly rich on the ground,as they leaned out quite a bit in the air,apart from that they were 100% reliable............................Mal
Thread: Who left the cake er.. model out in the rain
10/12/2011 22:14:37
Posted by Erfolg on 04/12/2011 12:05:47:
I am sure that RCM&E have run articles in the recent past and certainly the past on how to do this sort of repair.

 
What have happened to Hughes and Stringwell? Both excellent writers.
 
 
Dave Hughes passed away quite a few years ago,from what I recall he was at a fairly early age.I don't know if George Stringwell is still with us,as you say,an excellent,if slightly controversial,writer. I still remember his articles on how to deal with council bye-laws and planning permission.!!..................................Mal.

Thread: Mam'selle.......
05/12/2011 11:48:37
Posted by Danny Fenton on 05/12/2011 10:42:58:
You mean I have the wrong props on their way? Now you tell me

Cheers
Danny
 
Hi Danny,
what you really need is a Keil Kraft 'truflex' prop, which seemed to be made from a reddish-brown type of soft plastic,or hard rubber composition.You could almost tie one into a knot they were so flexible,I don't know what kind of shapes they assumed when bolted onto the front of a 'hot' diesel,such as an Amco 3.5cc.They would even distort if the prop-nut was overtightened,but we loved them because they were unbreakable............................Mal
30/11/2011 13:20:29

Hi Danny,
funny enough,I was having the same thoughts about your cowl as steve is.You say mine is tighter cowled than yours,but the front of my cowl appears to be narrower than yours,and the Mills .75,being a long-stroke engine,has a lot more of the cylinder finning exposed to the airflow,as it protrudes from the cowling a lot more than your paw.It might be an idea to 'thin down' the sides of the cowl interior in the vicinity of the cylinder to allow a less restrictive passage of air around the cylinder............................................Mal
30/11/2011 11:15:11

Hi Danny,
I know I'm making heavy weather with this,but I still don't see how you are going to hold the screws whilst you tighten your nuts,if you'll excuse the pun.Do I understand correctly that you are going to hold the exposed end of the bolts with your 'vintage' forceps while you apply a spanner to the nuts,as there doesn't appear to be enough clearance between the engine cylinder and cowl to insert a screwdriver.........................Mal
30/11/2011 01:43:38

Hi Danny,
model's looking good.Yes,it is a bit of a struggle covering the fuselage with one piece of Litespan per side,it gave me a few laughs as well.I think mine may have been a bit more awkward than yours,as I attached the tailplane and fin (oops,nearly said tail feathers) prior to covering.One thing that does puzzle me,and always has done on this model,how do you insert and tighten the lower engine mounting bolts.On my own model I have made the lower cowl detachable,but yours appears to be permanently atttached to the fuselage,as was the prototype model's,or am I missing something ?..............cheers,Mal.
29/11/2011 10:58:21
Posted by Danny Fenton on 29/11/2011 10:49:50:

Okay Mal where do I get a genuine metal tinned primer bottle Should go well with my wooly vest


 
Cheers
Danny

 
Hi Danny,
don't really know where you would get one of the metal valvespouts' from.It's a case of digging around.I've seen them on sale for ridiculous prices on places like e-bay,I've also seen them for a couple of quid at autojumbles etc.So the answer is really you'll find one where you'll find one,if you know what I mean.Not much help,I'm afraid..............................cheers,Mal
29/11/2011 10:31:17
Posted by Steve Hargreaves on 29/11/2011 10:10:53:
 
Just thinking about fuel.....I trust you are planning on using one of these.

Tut tut Steve and Danny, far too modern........................you've got to use one of these.........................


a metal valvespout..................................Mal

Edited By mal brewer on 29/11/2011 10:32:53

Edited By mal brewer on 29/11/2011 10:34:59

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