Rocklobster prop question

The original Jimny prop is about 1 1/2 inches shorter than a Sammi front prop. I had an adaptor/spacer made for my rocklobster that bolts on to the Sammi flange and takes the original rear prop.

problem with spacers is you end up with steeper UJ angles

And the jimny rear only extends a little bit but sj extends quite a few inches more

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The reason I had a spacer made was that the Sammi prop I had was not really the best as it had some play in the sliding joint, so the options were find or buy a new or better one, or do something different. The spacer is not straight forward as the Sammi flange has 4 bolts whereas the original Jimny has 5. Also the Jimny prop has a kind of bell end on it so the spacer also has to accommodate that as well. Also the bolts have to be captive, so what started out as a good idea became a bit more involved! The fact there is a spacer has little or no effect on the prop angle as it runs more or less straight. I don't think the movement on the joint has any effect detrimental effect either as there is still a fair amount of movement on the joint. Also if you consider the original car that either of the props came off neither had huge amounts of suspension movement. Unless you have really extreme suspension it's not a problem. I would do it again as Jimny props are much easier to come by than Sammi props. As regards strength I suspect that the Sammi prop would be stronger.
Just my thoughts!