SPL 310 frame/Body schematic errors.

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JeffsDatsun
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SPL 310 frame/Body schematic errors.

Post by JeffsDatsun » Mon Aug 12, 2019 7:16 pm

I am making a 3d model of the spl311/310 frame and body and i ran into an issue where the schematics on the SPL310SMRedCvrSML (red factory manual) on the first few pages.

I lined up the picture of the frame side profile and the picture of the frame and body side profile, i resized them so they matched the dimension sizes
and there is a difference between one and the other. anyone know which would be right?
Check the photos to know what im talking about.
outline1.png
outline2.png
outline3.png
If you guys don't know, do you have any photos of the last picture in real life so i can scale it and extrapolate the correct curve?
Thanks
Jeff
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Jeffrey C Elzinga

JeffsDatsun
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Re: SPL 310 frame/Body schematic errors.

Post by JeffsDatsun » Mon Aug 12, 2019 7:20 pm

Just in case you want to see what im up to:

frame.png
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Jeffrey C Elzinga

JeffsDatsun
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Re: SPL 310 frame/Body schematic errors.

Post by JeffsDatsun » Mon Aug 12, 2019 7:26 pm

Here is a clearer picture. the white highlighted part is the side view from the frame diagram.
the background is obviously the side view of the body with frame under it.
outline4clearer.png
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charlee0620
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Re: SPL 310 frame/Body schematic errors.

Post by charlee0620 » Tue Aug 13, 2019 3:52 pm

I tried this a few years ago, did get very far as I didn’t have the hi res schematic. But I’m impressed with your progress. Watching intently.

Matt
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notoptoy
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Re: SPL 310 frame/Body schematic errors.

Post by notoptoy » Tue Aug 13, 2019 4:04 pm

Yeah, I can't add anything, but am fascinated by your project and progress.
"When all else fails, force prevails!" Ummm, we're gonna need a bigger hammer here.

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spl310
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Re: SPL 310 frame/Body schematic errors.

Post by spl310 » Tue Aug 13, 2019 4:52 pm

I sawed a roadster frame out of wood once in 1/12 scale iirc.
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spriso
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Re: SPL 310 frame/Body schematic errors.

Post by spriso » Tue Aug 13, 2019 11:44 pm

The only difference that I have noted on the SPL310 to SPL311 frame is the wider front cross tube (in front of the radiator) on the 1500s. The rest of the frame is the same until 1968 when they added the stiffening "saddles" where it transitions from the front suspension to the main box section, and the holes added for the "crush zones" in the front of the frame.

You can see the wider front cross tube in this pic:

Image

The image below shows the stiffening "saddle" when we added them to my wife's 1500 project-- in the back ground you can see the original profile (note the frame is upside down in this image):

Image

And when we were done (and the frame powder coated):

Image

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