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Electronic shutoff system

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August/09/2009 - Peter Brokans got 4th in European Championship in Serbia

Peter Brokans show great result in European Championship in Serbia.
He finished just one step from prize place. His opponents were strong pilots like World and European Champions. As Peter said he won few matches just because of stable shutoff system. There were no any shutoff failures during this long contest.
Peter was called as "person who saves judges ears" because he used shutoff to stop engine right after match is finished.
We congratulate Peter with high achevements and wish him to show even beter results in next season.
Full EC F2D results can be found on Henning Forbech
page.

June/6/2009 - Shutoff price reducion

We are very glad to introduce significant price reduction for shutoff devices. We moved our electronic boards production to professional factory and it became much cheaper and even with better quality.
Current price for shutof device for 1 plane is only 49 Euro, including all necessary parts, wires and batteries and it's ready to fly.
Another news is that we started to make plastic handles (as on the picture).
We remind all pilots who bought wood handles that we can replace those handles with plastic ones (it's free).
If you still think that your own handle is better - we now have an option - you can send us your handle and we will integrate transmitter in it.

May/7/2009 - Electronic shutoff has been tested in Bitterfeld and Aleksin World Cups.

At the past weekend our electronic shutoff has been first time used in real contests. There were 2 contests, in Bitterfeld (Germanuy) and Aleksin (Russia) where 21 shutoff devices were used by 6 pilots. We received a lot of useful information about using electronic shutoffs and it will be used for improving our devices. We are very glad that there were not shutoff failures (except 1 case when valve has been stopped by part of opponent’s streamer). Another good thing that pilots actively used ability to stop the engine during the matches (no more broken propellers or dirty engines).
Based on the feedback we received there are some recomendations and changes.

  • We do not recommend to use the way of attaching the valve to moto mount as described here. The reason - valve can be damaged if plane is falling down during inverted flight. It's much better to put the valve into the corner between central rib and front of the foam. It will also save the valve from stopping by streamer or string.
    We will post new guideline very soon.
  • All new orders will include 240 mAh receiver's battery as standard option - this is enough for few days of flying without recharging a battery.
  • Receiver battery now has a switch, so there is no need to disconnect battery from receiver board anymore if you want to keep receiver on the plane.
  • Transmitter in the handle now works for 10 minutes - then is switches itself OFF automatically. So if you even forgot turning it off - the battery will not be discharged.
  • We will introduce some other improvements soon. Until special announcement we will perform free upgrade for already delivered shutoffs (except shipment cost).
    Please contact to us if you need additional information how to upgrade your shutoff.

    April/14/2009 - Shutoff saved plane from fly away.

    Peter Brokans became the first pilot who saved his plane using our shutoff when his lines were cutted in real combat match in Estonia. As Peter said it was exciting experience even though he used shutoff many times on trainings, but never had real cut off with shutoff before.
    After lines were cutted the shutoff stopped the engine in approximately 1.5 seconds and the plane flew about 100 meters during this time.
    Plane landed very softly so even propeller was not damaged.
    We are thank you Peter for first confirmed case of fly away with our shutoff system.

    April/2/2009 - Shutoff installation guide

    To answer to all those questions about shutoff installation procedure, we made this simple guide about how to install shutoff on the plane for less than 5 minutes.

    March/29/2009 - Shutoffs are ready

    We are glad to introduce that almost finished first series of shutoffs. The only last item is left - handles and they are going to be ready during next 10 days.
    Since we received a lot of pre-orders we will send shutoffs in 2 weeks for those who made pre-order from FEB-02 until FEB-24.
    For the rest pre-orders (from FEB-25 until March-29) we will ship shutoffs before Apil 30.
    New shutoffs can be ordered in Order section. There is going to be some delay for new orders (about 40-50 days) until your order will be completed.

    Feb/16/2009 - Another Flying tests (Video)

    One more day of testing.
    Unfortunately I don't have Mike Willcox here in New Jersey with his super video camera, so I can only ask my wife to go with me sometimes and make some video.
    This time I tested new software for receiver, it reduced noise level in a signal. Also it is powering shutoff valve during 2.5 seconds now (instead of 7 seconds before) so now it takes almost 3 times less energy. This time I din't feel any difference in how fast the valve is stopping the engine during all the testing (about 7 flights).
    The video is here

    Feb/15/2009 - Flying tests (Video)

    During this testing we meassured how much time actually required to shut off the engine.
    We made about 10 flights and found that it is about 1.2 - 2.5 seconds required depends of battery condition.
    On this short video it was our 3rd flight with almost fresh battery.
    Mike Willcox is working on another videos so we will show it soon.

    Feb/14/2009 - Site changes
    System design explanation moved to How It Works section
    Actually our shutoff design has small changes, the problems with push button on a hanlde were fixed.
    It will be updated soon.

    Feb/10/2009 - Site moved to it's own domain

    We've registered new e-shutoff.com domain to make it easier to remember and find.





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    Contacts: Alex Prokofiev, Mike Willcox