Lost the VQ Hurricane  
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Lost the VQ Hurricane - 5/7/2008 11:03:18 PM   
RBean


 

Posts: 9
Joined: 4/14/2007
From: Wilton, NY, USA
Status: offline 		I lost the VQ Models 60 size Hurricane on its third flight. I was still trying to get the control throws ect adjusted. Normal take off, retracted the gear and had just turned to downwind and throttled back, there was a pop and the engine quite. I thought it was going the land in the tall grass next to the runway but the plane glided past that, accross the end of the runway and touched down on a small dirt embankment by a drainage ditch doing major damage to the plane. With the gear and flaps up it is a slick plane and glided a lot further than I expected. Powered by a Thunder Tiger 91 FS. Post crash inspection show the prop nut had come loose. It had a brass heavy hub on it and I had tightened it as far as I dared without stripping it.

Since all the hardware survived, engine, radio, servos, robarts etc. I ordered another VQ Hurricane. Kit went together quicker since I had just done the other. Interestingly the new one came out much lighter thant the first and I didn't have to add near as much weight in the nose to get it to balance. The takeoff and landing speed of the first one was quite high due to its heavy weight, which didn't help in the engine out landing. Haven't flow the new one yet, but it should do better because it is lighter. Don't know the reason, mayby lighter less dense wood. ??

Not sure about using a heavy hub on a four stroke. Maybe I should use locktight. Don't want this to happen again. Used one for years on an OS 91 and never had this happen.
       Post #: 1

RE: Lost the VQ Hurricane - 5/7/2008 11:15:28 PM   
warks62



Posts: 536
Joined: 12/25/2003
From: Fresno, CA, USA
Status: offline 		Usually it is caused by the engine going lean causing a backfire making the nut come loose. don't know if this is what happened to yours but have seen it many times over with a 4 stroke of many brands.

_____________________________

Randy, member of the true 1/6th Royal Corsair Build

(in reply to RBean)
       Post #: 2

RE: Lost the VQ Hurricane - 5/8/2008 6:05:51 AM   
KentuckyColonel



Posts: 217
Joined: 4/20/2007
From: Mission Viejo, CA, USA
Status: offline 		Unexpected glide hit me with my VQ Bf 109. I too had an engine failure, and did a quick turn into the wind, lined up at about 5 feet at the end of the runway, and she stayed at five feet all the way down and about 60 yards past the other end of the runway. Damage to my 109 was minor. Wingtips needed replacement. She wasn't as pretty afterward, but has been my everyday flyer every since.

(in reply to warks62)
       Post #: 3

RE: Lost the VQ Hurricane - 5/9/2008 2:14:16 PM   
tommytorino



Posts: 160
Joined: 2/17/2004
From: East Islip, NY, USA
Status: offline
quote:

ORIGINAL: RBean

Interestingly the new one came out much lighter thant the first and I didn't have to add near as much weight in the nose to get it to balance. The takeoff and landing speed of the first one was quite high due to its heavy weight, which didn't help in the engine out landing. Haven't flow the new one yet, but it should do better because it is lighter. Don't know the reason, mayby lighter less dense wood. ??



That IS interesting.

The Electric guys over at RCGroups are reporting a AUW of 9+lbs. Some have added nearly 1lb of weight to get the model to balance!

Is there any way you could weigh your model, just for giggles to offer as a comparirion to what the electric jobs weigh?

Best of luck on your 2nd Hurricane, mine is still sitting in the box.

Tommy D

(in reply to RBean)
       Post #: 4

RE: Lost the VQ Hurricane - 5/9/2008 6:47:50 PM   
roy batty


 

Posts: 2
Joined: 4/22/2008
From: Stockton, CA, USA
Status: offline 		Did you have the thin nut under the heavy hub that Higley makes for this application?

(in reply to tommytorino)
       Post #: 5

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