Strength and repairability
It is always good to have it strong enough for safe forward launches. With a flexible cage it is just very easy to make a mistake during launch and break the prop and/or cage. Most paramotors will do the job. One step further is resistance to small slips at landings. It is good if the paramotor can resist that because everyone will have such “accident” from time to time. It is no dangerous but it will cost you a new prop and frame parts. It is always a trade-off for weight. A Walkerjet or a Parajet Volution might be strong but they are a lot heavier, too. No paramotor can resist a crash. But its OK. They are made for flying, not crashing.
For every increase of strength you pay with extra weight.
So its about setting your priorities and finding your compromises.
It depends. An aluminium frame is easy to repair if you have the tools and skills. Most people do not. You can find someone to repair your broken cage but it may take more time and money to let someone do the custom work than order new parts. It of course depends on availability of spare parts and reliability of your manufacturer. Keep in mind that the most expensive thing on a broken paramotor is when it is good weather and you are grounded. So if spare parts are not available quickly and the manufacturer is not responsive, you may find yourself to miss the flying season.
When I look at the new modern paramotors coming out lately (Parajet Zenith, Nirvana Instinct, SCOUT carbon, …) the trend is obvious> paramotors are made for flying not crashing. If you break it, replace the broken part and get into the air as soon as possible.
a note on SCOUT> it is actually very easy to DIY repair composite parts and necessary material and tools are available… but i guess it would just look ugly on the sexy paramotor. You would not weld your bumper on a your Ferrari either, would you?
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