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Century Helicopter . MTA Hobbies . Model Rectifier Corp

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After Market Accessories > RAPTOR 50 V2 CRASH'S
 
 
gordon
Senior Heliman
Location: Isle of Wight UK

RAPTOR 50 V2 CRASHES DUE TO DESIGN FAULT

How many other's out there have watched ther Crappy go into a dive and not been able to pull it out ? Mine did last night and I found out why today as I am not the only one . The bottom canopy catch comes off letting the canopy swing up and jam the swash plate and down it comes. Any one out there that has a V2 I was told to put a self tapper in so it can not slide off. You would think TT would get something like that sorted before they release it the kit
06-23-2003 Over year old.
 
 
Hot LZ
Senior Heliman
Location: Texas / Arizona

That's the fix that I just used. No new problems to speak of. I used a self tapping screw just long enough to hold it into the skid without it going all the way through.
06-23-2003 Over year old.
 
 
Reb
Senior Heliman
Location: Oxford MS

loose canopy

Same here after a few flights I noticed that my canopy had slid off the front mount also self Tapping screw through the mount into the skid. My Brother also has a Raptor 50 V2 but he has not seen this problem, but he has a set of MA tuff struts on his and the front mount holds no problem. The MA gear has a little thicker strut. I think maybe ACE needs to beef up there landing gear or close the gap on the front canopy mount.
06-23-2003 Over year old.
 
 
AndyH
Key Veteran
Location: San Diego, CA

Frame Stiffner

What do you do if your running a frame stiffner? The stupid thing really keeps the canopy latch from coming down all the way. Does TT even make a little wider canopy latch for use with the V2 50? I've got a V1 50 with a V2 body and am very worried about it - I cleared away a little bit of the body around where the A-arm goes by.

I was thinking about creating some sort of plate or something to but some screws in. The frame stiffner blocks any chance I have of putting a screw into the plastic. Any ideas?

Two guy's I know lost there Raptors bcause of this - It was nasty!
07-03-2003 Over year old.
 
 
lescar
Heliman
Location: Las Vegas, NV

Simple Fix

I just competed this simple fix on my Raptor 50 V2 and it holds great. I’m not taking credit for the idea, I saw it here on RR somewhere but can’t seam to fined it now. It requires 1 Alan head screw, I installed the canopy and adjusted it so the clip was seated and drilled a 1/16“ hole for alignment, then drilled the correct size hole in the landing gear for the screw, then one in the canopy the same size as the head of the screw. It now snaps into place and I tired shaking the canopy off and it wouldn’t budge.

AMA 777323
07-20-2003 Over year old.
 
 
capebob
Veteran
Location: Cape Coral, FL

Quote 
What do you do if your running a frame stiffner?


You must be using an aftermarket frame stiffener. The TT stiffener is offset and isn't a problem. BTW take a good look at the stiffener and see what it does. It does, IMHO, absolutely nothing. The only place that really needs to be really stiff is the engine mount area ant the stiffener doesn't attach at that point.

Bob

Success is the ability to go from one failure to another with no loss of enthusiasm. Churchill
07-20-2003 Over year old.
HOMEPAGE  
 
 
Al Magaloff
rrMaster
Location: 12,199 Posts- Enough Time Wasted. See Ya!

I agree Bob, the stiffener does nothing. If anything, it insures that the frames break in a skid first crash.
07-21-2003 Over year old.
 
 
excellone
Senior Heliman
Location: Arlington, Virginia

50V2 Canopy

Did you turn the skid supports around ?
07-22-2003 Over year old.
 
 
gordon
Senior Heliman
Location: Isle of Wight UK

After I had the crash and put the posting up I got a NHP stiffener it has a extra part to it that goes up into the frames for better cooling it works well.

The mod was to put the canopy on in place drill 2mm hole through the catch and skid . Then take the canopy of drill 5.5mm hole in the catch using the 2 mm hole as a pilot . Then screw a 3mm allen headed bolt into the skid.

It will never come of in the air again I had a very hard landing the other week due to a QWW tail brakeing up in the air and it stayed on.
07-22-2003 Over year old.
 
 
r/c cowboy
Heliman
Location: port charlotte fl

canopy

I seem to think the bolt thing is the way to go.

In dreams factory raptor pilot Raptor 30 O.S Raptor 70 TTR Futaba 9c Futaba GY401
09-18-2003 Over year old.
 
 
Al Magaloff
rrMaster
Location: 12,199 Posts- Enough Time Wasted. See Ya!

RC, I agree with you. I bolt all mine on. 3mm cap screw through the latch, into the skid.
09-18-2003 Over year old.
 
 
kauaison
Senior Heliman
Location: Alameda, CA

DISAGREE about frame stiffner

I would have to disagree with the comments of the frame stiffner, i did not purchase the aftermarket part, but rather cut some thin alluminum with an open area for the canopy to latch properly. If u look closely at the frame, the area of the frame that holds the engine is basically the same part that holds the fuel tank, this "whole" area (tank and engine), is twisted when torque is applied (including the fuel tank area!). SO the frame stiffner prevents this twisting of the rear half (yes tail too)by holding onto the frontal frame area....i agree that adding the engine area to the stiffner would increase its stiffness, but holding it from the rear is just fine...its basically treated as one unit.


without the frame stiffner my R30-V2 would wag its tail upon spoolup, approx 500-1000rpm, this also occured with my OS-50 upgrade. In fact, the frame twisted so hard it broke my first frame stiffner, clean snap, during spoolup. Once i have my frame stiffner on i have NO more tail wagging. I have experimented with this for awhile...
09-18-2003 Over year old.
 
 
gordon
Senior Heliman
Location: Isle of Wight UK

Hi have any of you been haveing problems with your tail pitch sliders ? I have had 3 fail on me now. Two have split down the hub from one of the arms the other just unthreaded it's self.

Has any one given the alloy replacement ones a go or does any one know of a full metel tail but not the QWW one been there only just lived to tell the story.
09-18-2003 Over year old.
 
 
Chopper Man100
Veteran
Location: albany N.Y.

I really like lescars

Idea
09-18-2003 Over year old.
 
 
Raffy
Key Veteran
Location: Chicago, Illinois

There is definitely a flaw in the canopy design of the Raptor 50v2 where the bottom latch does not fully engage on the skid which causes the canopy to pop off at the bottom.
I had my Raptor 50v2 latch disengage after a few pyroflips. I came out of it right side up but noticed the heli at a 20 deg. nose dive and would not pull up as I tried desperately to pull elevator - thought I lost my servo.
I turned off the governor and switched back to normal mode thinking that it might as well crash at low engine speed. Luckily the swash plate came lose from the canopy and I was able to gain control and land.
When I picked up the heli, there it was, the bottom latch popped off the skid. So, I had to install a screw on the landing gear and drilled a hole on the latch to have a snap on design to secure the latch.
To all those reading this post, BEWARE and do the modification before you have a mishap.
09-18-2003 Over year old.
 
 
Al Magaloff
rrMaster
Location: 12,199 Posts- Enough Time Wasted. See Ya!

I don't expect the manufacturer to do ANYTHING for me except supply parts. To think that we have any real input is naive at best. There is nothing wrong with the canopy latch that I can't fix with a screw.
09-18-2003 Over year old.
 
 
Ramster
Senior Heliman
Location: NJ

Check out the frame stiffeners in My Gallery. I also made a custom longer stainless steel canopy clip to goes over the base plate (not shown, I will look for that jpg and post it in my gallery).


Ron
09-18-2003 Over year old.
 
 
r/c cowboy
Heliman
Location: port charlotte fl

i agree

Who ever has a v.2 body need not to think looks because it looks a whole lot better in one piece.

In dreams factory raptor pilot Raptor 30 O.S Raptor 70 TTR Futaba 9c Futaba GY401
09-18-2003 Over year old.
 
 
kauaison
Senior Heliman
Location: Alameda, CA

Hey ramster

Hey ramster,
i like your rappy side plates and stiffner. very nice! , i was thinking of doing something similar but wasnt sure about the weight and template. Any tips or templates? i see u use a bunch of washers and spacers, is that the only way to get a flat template to fit? i personally wanted to use Carbon Fiber due to weight concerns...

09-19-2003 Over year old.
 
 
Ramster
Senior Heliman
Location: NJ

kauaison,

You will need the spacers and stand off's to mount a flat to the Raptor's frame. Although carbon stiffeners would have probably been lighter I didn't have a weight problem with the aluminum stiffeners. I did consider carbon but eventually went with aluminum since It allowed me to do a "wrap around" (all 3 frame pieces are connected via nuts and bolts) design. The carbon plates would just hang on the frame sides adding more to looks then enhancing the strength. My raptor's frame was extremely stiff in flight.


Ron
09-19-2003 Over year old.
 
 
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