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Author: Subject: making a nose cone
skydivepaul

posted on 2/3/20 at 09:21 PM Reply With Quote
making a nose cone

I am looking to build a nose cone for my lotus 49 simulator (full size)
I built the sim last year and have been toying with the idea of making a nose cone.
Unsure as to make a plug, mould then a fibreglass nose cone or just try to make one from scratch out of hardboard / plastic or something else.
I am thinking a fibre glass nose cone would be best as athough it is a fairly simple shape it does have some compound curves.

Any advice appreciated





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steve m

posted on 3/3/20 at 07:54 AM Reply With Quote
As it isn't going to be on a car, and weight not an issue, I would use "modeling foam" to make the structure
to the best shape, and then "modeling clay" to make a nice outer skin

Both of these techniques are messy, and really need to be done outside

and don't forget some pics, as the sim looked brilliant !!

steve





Thats was probably spelt wrong, or had some grammer, that the "grammer police have to have a moan at




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skydivepaul

posted on 3/3/20 at 12:12 PM Reply With Quote
Hi Steve,

cheers I'll look into that and of course will post some pics





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gremlin1234

posted on 3/3/20 at 04:52 PM Reply With Quote
as above, for a stationary one off, you could make it with plywood and filler, or clay, and just use that.
but also
if that comes out nice enough you could then make a (fiberglass) mould from that, to be able to produce more

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skydivepaul

posted on 3/3/20 at 10:54 PM Reply With Quote
quote:
Originally posted by gremlin1234
as above, for a stationary one off, you could make it with plywood and filler, or clay, and just use that.
but also
if that comes out nice enough you could then make a (fiberglass) mould from that, to be able to produce more


Yes that was an option I was looking at. although for a one off it is making the part 3 times, plug, mould and part.
Never done any fibreglassing before except for bodging a wing on a mini once upon a time!





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HD CCTV
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907

posted on 4/3/20 at 08:53 AM Reply With Quote
There's only one material to make nose cones from..... You know it, I know it.









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MagicalTrevor

posted on 6/3/20 at 01:00 PM Reply With Quote
Use modelling foam or the stuff they used for flower arranging, available in big blocks. You can sand it down and then use a thin layer of filler over the top before painting/wrapping.
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skydivepaul

posted on 7/3/20 at 02:13 PM Reply With Quote
quote:
Originally posted by MagicalTrevor
Use modelling foam or the stuff they used for flower arranging, available in big blocks. You can sand it down and then use a thin layer of filler over the top before painting/wrapping.


cheers Trevor, my wife is a florist so has plenty of oasis in her workshop. Might get me in trouble if I use that much though!





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ste

posted on 8/3/20 at 10:42 AM Reply With Quote
design it in cad, split the model and 3d print it. glue it together and youll be right.

it doesn't sound structural if its on a sim.

you could even use the 3d model to make the buck to fibreglass

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MagicalTrevor

posted on 8/3/20 at 10:54 AM Reply With Quote
https://youtu.be/XeeSsmsm9h0

This is a really good guide incorporating 3D design and ultimately doing what I recommended above

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