OK, so I planted the Eclipse this weekend......

Tue Apr 26 06:18:31 AKDT 2005

Bill, get those pics to me, and I'll post them (plus whatever additional information you want to provide) on my website.

Bob P.
> 
> From: "Charlie  Rock" <crock at kc.rr.com>
> Date: 2005/04/26 Tue AM 09:37:18 EDT
> To: <discussion at nsrca.org>
> Subject: Re: Re: OK, so I planted the Eclipse this weekend......
> 
> I am getting around 8450 on mine and I know I do not fly full throttle 
> really ever..but that is not good that APC is having know issues 
> either..Mine are repitched ones and so far, "knock on wood" have been doing 
> well..Sure sorry to hear about your favorite plane..But you will like the 
> Temptation too..Charlie
> ----- Original Message ----- 
> From: "Bill" <ahrensw at charter.net>
> To: <discussion at nsrca.org>
> Sent: Tuesday, April 26, 2005 8:32 AM
> Subject: Re: Re: OK, so I planted the Eclipse this weekend......
> 
> 
> > The APC prop was a 15.75 x 13 and was on a YS 160 on Hyde soft mount with 
> > a nose ring.   I was not running engine at max rpm by no means although I 
> > did not take a tack reading, I did have the needle about 2.5 to 2 ¾  turns 
> > out with 30% nitro.   Talking with APC they indicated that had reported 
> > failures of 3 bladed props.  APC recommended to keep tip speed down. 
> > Failure accrued at the hub of prop.  Tonight when I return home  I plan on 
> > sending some photo?s to Bob Pastorello, my camera is only 4 mega pixel 
> > with limited macro.  We found 1 blade and it looks like once  this blade 
> > failed it may of took out a 2nd.  We found engine with only 1 blade on 
> > hub.  Other blade was never found or near engine impact zone.  Engine was 
> > about 400 feet past where we found the first blade by a dirt road.  If I 
> > use a 3 blade prop again, It will be a carbon fiber type only!!!!!!!! Ed 
> > White may be able to add his observations. But I remember a buzz hearing 
> > lots of fiberglass breaking and a second !
> > later seeing engine fall from plane. I am luck to have landed plane about 
> > 150 meters from me on its gear.
> >>
> >> From: "Charlie  Rock" <crock at kc.rr.com>
> >> Date: 2005/04/26 Tue AM 08:04:34 CDT
> >> To: <discussion at nsrca.org>
> >> Subject: Re: OK, so I planted the Eclipse this weekend......
> >>
> >> Sorry to hear the rough landing of your long time trusted Typhoon..You 
> >> flew it very well..I too am curious as to what you think happened to the 
> >> 3 bld? Charlie Rock
> >>   ----- Original Message ----- 
> >>   From: William Ahrens
> >>   To: discussion at nsrca.org
> >>   Sent: Monday, April 25, 2005 10:53 PM
> >>   Subject: RE: OK, so I planted the Eclipse this weekend......
> >>
> >>
> >>   I don't have as good as explanation as Jerry.  But there I last Sunday 
> >> pulling up to do a turnaround maneuver,  the full roll half reverse Cuban 
> >> 8.  Just before rolling and applying power the engine departs the plane 
> >> due to a blade breaking off my APC 3 blade prop, it was a very bad sound 
> >> of balsa and fiberglass breaking occurring in seconds. The YS160 broke 
> >> the beams of my soft mount and pulled thru the nose of my trusty old 
> >> Typhoon 2000.  Yes I was experimenting with this prop and had about only 
> >> about 5 hours of time on it.  As I see the engine fall from plane I 
> >> decided to try and fly the plane back to the field.  Plane flipped up 
> >> when the engine left,  I then realized the plane had poor flying 
> >> qualities.  (Now I now what a really tail heavy plane feels like.)  , 
> >> Needing control, I dove the plane to the ground to get airspeed.  During 
> >> dive I was not making much progress to the field, I was not going to make 
> >> the field due the wind at my back and the plane's poor flying !
> > quality and would need to land in the farmers field.  It was like a roller 
> > coaster ride down with plane, just trying to keep the plane from flipping. 
> > As I neared the ground I put the plane in a nose down attitude I pulled 
> > full up and flared about 2/3 feet above ground.  Plane hits ground nose 
> > first and the experiment is over.  Engine search took about 2 ½ hours to 
> > find.  We actually found the blade that broke off before finding engine. 
> > Vibration, cracked fuselage and both ailerons on wings!!,  Typhoon will 
> > need a little work to fly again.
> >>
> >>   Bill A.
> >>
> >>
> >>
> >>
> >> ------------------------------------------------------------------------------
> >>
> >>   From: discussion-request at nsrca.org 
> >> [mailto:discussion-request at nsrca.org] On Behalf Of bravo52
> >>   Sent: Monday, April 25, 2005 9:52 PM
> >>   To: discussion at nsrca.org
> >>   Subject: OK, so I planted the Eclipse this weekend......
> >>
> >>
> >>
> >>   Yep, it is no more.  Man I loved that plane.  I loved the way it flew 
> >> like a bullet.  Because of the "new" radio's and the fact that it isn't 
> >> my primary plane, I programmed in some flaps.  Well, normally, when you 
> >> deploy flaps without mixing in a little down, the plane pitches up.  I 
> >> was a couple of mistakes high and my buddy said, "put down the flaps" and 
> >> so I did.  Well, what happened next was probably the best looking crash 
> >> I've seen in a long time.  Two things happened.  First, the nose pitched 
> >> up so fast ( I think I was carrying too much speed) I think I sheered a 
> >> control horn on the right aileron.  Then came the tuck.  Oh yea, that 
> >> baby tucked nose under and rolled left.  I was on the flap switch faster 
> >> than kiddies on candy but it didn't help.  With full opposite aileron, I 
> >> could barley roll level.  Unfortunately, I was about 60 degrees nose down 
> >> and picking up speed.  One of the qualities of the old Piorun Eclipse is 
> >> little or no drag.  Any way, by the time I got!
> >  on the elevators and leveled out, it plane was about 3/4 of an inch off 
> > the ground and accelerating!  Then things started slowing down.  I think 
> > they call it temporal distortion.  In very slow motion, the plane was 
> > flying ever so smoothly across the ground when parts just started 
> > departing the aircraft.  The first to go was the prop blades.  I actually 
> > saw one fly off...that is right before the left horizontal stab tip just 
> > touched the ground.  Then it exploded in a cloud of foam.  Then, the left 
> > wing.  Pulled the wing tube right out of the fuselage.  Now mind you, the 
> > fuselage is still scooting along at Mach 3 shedding parts like crazy.  And 
> > even though it seemed like minuets, this all happened in about 5 seconds! 
> > All the while, I'm thinking, "No problem, I got this.......".  In all, the 
> > fuselage in primarily intact.  The left wing is good, the right wing lost 
> > the wing tube and part of the wing root, allot of sheeting and some foam. 
> > The left horizontal stab has left the!
> >  building.......... But......I think I can rebuild it!
> >>
> >>
> >>
> >>   Jerry L.
> >>
> >>
> >
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> 

Bob Pastorello, El Reno, OK, USA
rcaerobob at cox.net
www.rcaerobats.net

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