What kind of asymmetry?

At least you can retract the engine; not so if the belt breaks.
!
John F




At 22:54 22 December 2013, wrote:
Check this out http://ad.easa.europa.eu/ad/2013-0217-E.
Yes The Ventus CM has an asymmetrical prop that probably reduces the
torsional vibrations.
Dan G (Ventus CM Owner)

On Wednesday, December 18, 2013 11:54:38 AM UTC-5, Dave Nadler wrote:
A prospect was checking out the nifty Antares 18T

sustainer system somewhere over the forest west of ZWB,

when to his great surprise, the propeller departed.

Hell of a way to impress a prospect.



The problem is with the Solo propeller shaft with the

belt reduction system as used on, IIRC:

- Ventus CM (not V2)

- Duo T

- DG-100T

- Antares 18T

Apparently there have also been recent incidents with DG1000T.

The propeller is not identical on all the above so the

failure rates will differ.



Axel Lange has worked with Solo to redesign the offending

part and is working on EASA approvals. IIRC this will be

the 3rd or 4th AD on this part, but Axel can calculate why

it failed and also how to make a part that won't...



I don't know if there's been any communication from SH

or who else uses this particular (front belt-reduction)

Solo system.



I see DG has published some info he


http://www.dg-flugzeugbau.de/index.p...1349&tx_ttnews[tt_news]=147&cHash=cd1730aca0037e72c7b2911e83136b2e



Another reminder to always operate your motor with a

plan for failure at any point...



Aaarrrggggg....

Be safe out there,

See ya, Dave "YO electric"