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Will do. Without risk of "promoting", but merely suggesting why the original question was asked, this is a typical folding prop (not my X8) http://static.rcgroups.net/forums/attachments/3/3/4/7/5/4/a4848431-67-BILD1871.jpg More info & videos @ fpvhub.com

It's historic, before my time, but I guess less damage to property/people during unscheduled landings (crashes) and to the props themselves. Smaller planes have the props sitting on top of the fuselage well out of the way of the launcher, but due to the size and weight of the X8, it requires a...

Most use 3S or 4S for this model (12.6v or 16.8v). Some use 4S in parallel for longer flying times. I had planned on 3S, but bench-testing gave the impression that it wouldn't be sufficient - even though an online prop calculator had said it would. I have an 80A speed controller which is more...

DRWeig, the catapult method has also been used, with some amazing contraptions: http://www.rcgroups.com/forums/showthread.php?t=1555543&highlight=x8+wing&page=367 However, it's more luggage that needs to be packed into the car and more setting-up time. My only problem with the chain-mail is...

>>I would "hand launch" that puppy from the end of a long pole"<< This was exactly my suggestion, when I first saw this beast!!! This is why I'm seeking alternatives. My plane is virtually ready to maiden. I have the chain-mail glove and 10m of bungee (which stretches to 30m). Launching is...

How many times can I say "probably"?!

Thanks. Deep down I probably agree. I'm probably over-engineering it. I'll probably try the other alternatives first.

Thanks. I had to Google the first sentence! I had thought about proximity switches etc, but think the margins are too tight. I may just move the pin/contact breaker away from the propeller, but this may cause eccentric force...

I wonder if anyone can help me with an idea... Problem: I am building a large (2m wingspan - 3Kg) RC plane which is propelled by a 11" propeller situated at the rear ("pusher prop"). The plane is designed to be hand launched. However, this has resulted in other pilots having their hands...

Thanks for the prompt replies. Zambo, you are very nearly there... 1. The Secant wall piles and internal piles were piled across the site to below B3. Plunge columns established within the internal piles. 2. Cap plates welded to top of plunge columns and ground floor slab poured to sit on...

I am an Engineer working on a soon to be (very) multi-storey building. The contruction method is "top-down". Steel plunge columns are piled deep into the ground to allow steel erection to start from the ground floor upwards, whilst at the same time, excavation of the top-soil can continue...