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The fist thing I noticed about the Alpha Romeo P2, apart from its classical stance, was the way that the chassis rails f...

The fist thing I noticed about the Alpha Romeo P2, apart from its classical stance, was the way that the chassis rails follow the aerofoiled body while remaining flush with the outer skin, even as chassis bows up and over the rear axle. 

I decided to include the original car's chassis design into my Cyclekart design. which may or may not be a wise decision for a first time builder. Not that I don't have any fabrication experience. My shed is full of half finished project that my family would love to take you for a tour of if you tell them I'm starting a new one.

The CKP2 will be construct of an original steel chassis which will hopefully be rigid enough to pass a torsion and beaming test (a 100+kg man jumping up and down). If strength needs to be added I will add some space frame elements hidden within the body.

The wheel at this stage will be 17-1.60 Chinese pit bike rims with 17-2.50 trail type tyres. I will upgrade these later if they don't cut the Mustard (or if they don't corner and run straight through someone's picnic lunch and accidently do cut the mustard).

The seat will be dropped slightly through the chassis rails and I have enough space between the chassis rails to achieve this. 

At this stage I'm thinking a live rear axle driving both rear wheels with no diff, which is a a deviation from the original Alpha Romeo P2 but this is not set in concrete. (so only part Italian then??).

The body skins will be formed aluminium unless it gets too hard. In this case some sections may be fibreglass formed over a shaped foam form.

Anyway better get to work on it. I'll keep this page updated as I go. 

 

Cheers

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  •   admin commented on this post about 7 months ago
    Finished tacking the flanges to the web for the 2 side rails. decided not to trim flanges to the correct width until I have attached the sides together braced them and fully welded them together.

    Also, Tyres arrived during the week $15 bucks each + $12.50 shipping each. Not off roaders but they'll do for a start.
    Comments (3)
    • $27.50 a corner is an absolute bargain. Paid three times that for mine at the local M/C shop.
      Reported
    • Yeah a good bargain, but I found the auction with the same photos on ebay where the seller had bid for them at Graysonline and paid $40 for IYeah a good bargain, but I found the auction with the same photos on ebay where the seller had bid for them at Graysonline and paid $40 for I estimate 60 tyres. Now that's a bargain.  More ...
      Reported
    • Is this the one?  https://www.ebay.com.au/itm/275854518581 Looks like postage has increased, but still a good deal.
      Reported
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  •   Mick commented on this post about 8 months ago
    Continuing work on the Chassis Side Rails, the mid chassis sections in the photos will be completed during the week. Once the top and bottom flanges are tacked into place the flanges will be trimmed to follow the contour of the outside web with the overall width of each rail being 35mm. Next week I plan to start work on the forward section of...
    Continuing work on the Chassis Side Rails, the mid chassis sections in the photos will be completed during the week. Once the top and bottom flanges are tacked into place the flanges will be trimmed to follow the contour of the outside web with the overall width of each rail being 35mm. Next week I plan to start work on the forward section of the chassis that support the front springs. I am resisting doing any substantial welding until the whole frame is tacked together.
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  •   Mick commented on this post about 8 months ago
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  • Alpha Romeo CKP2 has been updated
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  •   Mick reacted to this post about 8 months ago
    Alpha Romeo CKP2 updated the page avatar
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  • Alpha Romeo CKP2 has been updated
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  •   Mick reacted to this post about 8 months ago
    Alpha Romeo CKP2 changed the cover photo
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