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-   -   GRP sides a bit tight (in places!) (http://www.haynes.co.uk/forums/showthread.php?t=14045)

jps 24th January 2017 04:25 PM

GRP sides a bit tight (in places!)
I've been dry fitting my GRP sides and found that they vary between being just right, too loose and too tight.

This is probably partly because I have gone for a 3mm alu floor and there are some areas where I can dress a couple of welds and maybe get 1mm back to work with...

Just right I can deal with.
Too loose is not so bad either - thanks to seeing how Sylvain has dealt with similiar challenges here: http://forums.haynes.co.uk/showthread.php?t=13363

The 'too tight' bit has already led to me putting a small crack in the gelcoat - presumably from trying to flex it too far - so I am not going to force the panels in place.

Any tips for what options I have to make things fit? Can I sand out the inside (i.e. the non-gelcoat side) of the panel to introduce a bit more room?

vmax1974 24th January 2017 04:50 PM

You will be able to samd some of the glass resin side where it is too tight everyone has this problem and i am looking into ways of adding a mm leaway but i havent had any ideas yet that havent meant i have to remake the moulds

Cropper 25th January 2017 11:19 AM

I removed the bottom return (but left the radius) & fastened the side panels with heavy duty velcro, then just ran a small bead of silicon along the inside. I used a 5mm dome head bolt at the front & rear for extra security, the rear one isn't seen & the front one isn't noticeable as its low down by the bottom wishbone, also used black bolts on black side panels.
The velcro works well & it's takes a lot to reomove the side panels, i also used it to fasten down the top of my transmission tunnel, which makes for easy access if reqd.

vmax1974 25th January 2017 11:14 PM

I will add the sides to my list of new moulds

Ben_Copeland 26th January 2017 06:20 AM

As above. Reduce down the thickness of the lip if possible.

I managed to get mine on without having to take any off. They were tight in places but gentle pressure slowly working along got them to stretch enough.

Rosco 27th January 2017 01:05 PM

on mine, (equinox) one side fit ok and the other side was to tight and wouldn't go on, i used a sanding flap wheel in an angle grinder and sanded the inside edges till they went on, i did have to take quite a bit out if i remember correctly

jps 27th January 2017 09:30 PM

Thanks everyone, my panels are Equinox also so good to know it's not just me!

twinturbo 1st February 2017 07:45 PM

Original saturn pannels.

3mm Chequer plate floor.

Cut the lower lip off.

jps 5th February 2017 12:46 AM


Originally Posted by twinturbo (Post 105045)
Original saturn pannels.

3mm Chequer plate floor.

Cut the lower lip off.

How did you attach them to the chassis?

twinturbo 5th February 2017 05:21 PM

not finished but will use a length of angle to pull them in.


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