[WWI] Dai Riki Was: Stainless steel wire

[Andy Bannister]

Tom:
I should probably clarify here that technically, I don't use stretched
'sprue' for my rigging. I use the old Contrail rod as it has a lovely gun
metal colour and looks great when stretched for WWI a/c. Unfortunately when
Aeroclub started producing this they made it in the usual ho-hum grey colour
so I don't use that and have to rely on my steadily dwindling stocks of
Contrail rod. 
If you do use sprue from kits, perhaps the problem you've had with breaking
& sagging is caused by inconsistent plastic formulae used by various kit
manufacturers? The Contrail rod works a treat for me and as I mentioned I've
never had a problem with breakage or sagging, even with the finest antennas
or rigging wires.
Andy

> -----Original Message-----
> From: wwi-bounces at wwi-models.org 
> [mailto:wwi-bounces at wwi-models.org] On Behalf Of Tom Mason
> Sent: 20 March 2008 14:21
> To: World War I Modeling Mailing List
> Subject: Re: [WWI] Dai Riki Was: Stainless steel wire
> 
> 
> Andy,
> 
> The models I have rigged with sprue are about 30yrs old give 
> or take a 
> couple of years. I have had one that broke and two that 
> sagged. I have also 
> had antennae wires made from stretched sprue on ot aircraft 
> loose tension. 
> My models are in a display case in the basement, maybe that makes a 
> difference. I also know of  friends and people that I know 
> that have had the 
> same problem abd some that have had no problems.
> 
> T.O.M.
> ----- Original Message ----- 
> From: "Andy Bannister" <a.bann at ntlworld.com>
> To: "World War I Modeling Mailing List" <wwi at wwi-models.org>
> Sent: Thursday, March 20, 2008 4:52 AM
> Subject: Re: [WWI] Dai Riki Was: Stainless steel wire
> 
> 
> > T.O.M.:
> >
> > I have models well over 20 years old rigged with sprue, 
> including some 
> > I
> > sent from Canada to the UK when I moved here and have never 
> had a problem 
> > with sagged or broken rigging. I think the glue you used 
> may susceptible 
> > to humidity but I don't see how plastic sprue can be. 
> Temperature yes, but 
> > not humidity.
> > Andy
> >>
> >>
> >> I have stretched sprue very fine and I have never had to 
> let burn. I 
> >> heat it over a candle until it is very, very soft and pull it from 
> >> each end as far as I can spread them. The one thing I don't like 
> >> about stretched sprue is that it susceptible to humidity 
> and can sag 
> >> or break. It doesn't help much with structural support as 
> it is not 
> >> strong enough for any real tension.
> >>
> >>
> >
> >
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>