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Learning how to build Lotus Seven replicas...together!
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 Post subject: Re: Locost 11 R1
PostPosted: February 22, 2024, 7:45 am 
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FRP over polyiso foam board core. A 4x8 sheet is probably about $30 now. Peel the aluminum and plastic faces to expose the core.

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360LA 442E: 134.5x46x15
Lotus7:115x39x7.25
Tiger Avon:114x40x13.3-12.6
Champion/Book:114x42x11
Gibbs/Haynes:122x42x14
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McSorley 442:122x46x14
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 Post subject: Re: Locost 11 R1
PostPosted: February 22, 2024, 2:54 pm 
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Thanks.

But it was more a question of using Aluminum instead of a glass over Bals core.
I used glass over on the front shell. But have been think maybe the aluminum in the rear would look better ?
With the front and rear shells made of glass maybe it would look better with some aluminum on the rear.

I may be over thinking it. She will never be a pure Lotus.

:cheers:

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 Post subject: Re: Locost 11 R1
PostPosted: February 22, 2024, 4:17 pm 
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Aluminum always looks good in my book.

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 Post subject: Re: Locost 11 R1
PostPosted: February 22, 2024, 11:27 pm 
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I'm going to go with the Glass !
Its what I know and it will match the front.
Will put the glass edge on first the glass the flats. Then will mount with tabs.
Also put a notch for the taillight. Will make it easer to mount. Well to get to the screws.

I have lots of aluminum to do anyways. :lol:

:cheers:


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 Post subject: Re: Locost 11 R1
PostPosted: February 23, 2024, 6:15 am 
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Looks good. Is balsa affordable again? Fwiw, balsa is 9x heavier than foam but better in several ways.

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Miata UBJ: ES-2074R('70s maz pickup)
Ford IFS viewtopic.php?f=5&t=13225&p=134742
Simple Spring select viewtopic.php?f=5&t=11815
LxWxHt
360LA 442E: 134.5x46x15
Lotus7:115x39x7.25
Tiger Avon:114x40x13.3-12.6
Champion/Book:114x42x11
Gibbs/Haynes:122x42x14
VoDou:113x44x14
McSorley 442:122x46x14
Collins 241:127x46x12


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 Post subject: Re: Locost 11 R1
PostPosted: February 23, 2024, 5:49 pm 
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Not going to use the foam core. I need to mount the tube to it like the front and feel it will be too weak.
Was thinking I would put a wood core in part of the foam but not now. Think it would just break free.
Going to use End Grain Balsa Core ½” like I used in the front.
Need to move back on to wiring till the supply's get here. :roll:

:cheers:

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 Post subject: Re: Locost 11 R1
PostPosted: February 26, 2024, 3:18 am 
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Still need parts.

So what the hell is this ?
I love build tables.

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 Post subject: Re: Locost 11 R1
PostPosted: February 26, 2024, 3:23 pm 
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So its a roll-around steel cutoffs storage the can go under the build table.
I'm running out of space.
And I have more old cutoffs from the old shop.
Its a HF 18" x 30" dolley

:cheers:


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 Post subject: Re: Locost 11 R1
PostPosted: February 28, 2024, 6:10 pm 
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Look what came today. Wonder what I will be doing soon ?


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 Post subject: Re: Locost 11 R1
PostPosted: February 28, 2024, 9:41 pm 
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Setting thing up for glassing the core.
Work area will be covered in part-all and the I will put the 4oz. glass on.
the I will let it setup and the flip it and do the other side.


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 Post subject: Re: Locost 11 R1
PostPosted: February 29, 2024, 3:19 pm 
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Started the glass.
Covered the work area with 2 mil plastic to keep clean up down.
layed the core and cut the glass. Its 4 oz. and their will be two on each side with two more smaller corner ones. Reinforcement for the mounting plate.
The easy way it to fold the glass back on its self and wet out the core. After the fold is down then fold the other glass over the wet glass and wet out the top area.
Also used the template from the right side to make the left because they are not the same. Just added some more paper and trimmed it.

:cheers:


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 Post subject: Re: Locost 11 R1
PostPosted: February 29, 2024, 6:03 pm 
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Side #2.

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 Post subject: Re: Locost 11 R1
PostPosted: February 29, 2024, 9:00 pm 
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Part #2 side 1.

Side #2 in about 90 min's.

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 Post subject: Re: Locost 11 R1
PostPosted: March 1, 2024, 6:06 pm 
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Out in the sun for some dry time the on to trimming.
Weigh in at 67 oz. for two. Before trimming. Not bad.
With Alum. 032" = 44.oz or Alum. .063" =86 oz.
The .032" is very thin for a bulk head.

:cheers:


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 Post subject: Re: Locost 11 R1
PostPosted: March 1, 2024, 9:33 pm 
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All trimmed. Need to build a jig and then on to mounting.
Disk sander was just the right tool for the job .

:cheers:


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