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HelicopterMain Discussion › Extended Raptor 50 Grips!
10-19-2004 07:21 PM  13 years agoPost 21
korzry

rrApprentice

Fort Collins, CO

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I have to speak up for TurboStew here. I've seen this machine fly with the 600's on it many times. It flat out rocks. My R50V2 with MP1 will bog easily unless I'm careful with collective and cyclic management due to the high altitude. TurboStew's bird will handle very aggressive 3d without a hint of bogging. I'll shoot a video of it next time we're out and post it.

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10-19-2004 07:22 PM  13 years agoPost 22
gmebey

rrVeteran

Fort Collins, CO

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Hey guys for all it's worth!

I have seen this machine fly and it does so with authority. In fact I'm looking at getting TurboStew to build one for me.

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10-19-2004 08:09 PM  13 years agoPost 23
kirk

rrVeteran

Northern, Colorado

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Kent's Heli

I flew it this weekend and it fly’s very well. I like how smooth the heli is and it does not bog at all during power demanding maneuvers. It also feels very light in the air (it feels allot like flying the sim which says a lot for us high altitude Colorado folks)...

I thought the cyclic was a bit slow for my liking which is no big deal. Kent was adding a longer 4mm fly bar and some bigger paddles to speed things up a bit. Hopefully I will get a chance to fly it around some more this weekend.

I like to see it when people think outside the box and create new things like Kent is doing here. It is a really neat heli and you can tell that he is having a lot of fun creating it…

Take care and have fun!!!

Kirk

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10-19-2004 08:44 PM  13 years agoPost 24
TurboStew

rrApprentice

Ft Collins, CO

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Thanks to the high altitude crew for the compliments I really am having a good time with this heli.

8.5 pound 90 birds Rock!

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10-19-2004 09:41 PM  13 years agoPost 25
w.pasman

rrElite Veteran

Netherlands

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So do I get this right that you use this YS91 only to compensate for the high altitude? At sea level I guess an YS91 would rip the raptor50 apart? I remember stories from R60 frame stiffeners because the 91s did even tear that frame apart!

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10-19-2004 10:33 PM  13 years agoPost 26
TurboStew

rrApprentice

Ft Collins, CO

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I don't know. I have never taken it to low altitude. I will have to give it a try in IL sometime. The mechanics are holding well. I have about 30 flights on this main gear (ruined last one in a crash) with no wear. I don't know what would fail other than that. The chromo 6mm feathering spindle might bend at low altitude. It does have a stiff carbon frame much like a Vigor. The tail and belt are just as beefy as some 90s. The head is metal. the clutch is R90. What more is there? Being a degreed engineer, IMHO these helis are overbuilt for the lawer factor. They must not come apart even for the incompetent builders. Like everything else, OEMs are not interested in using exotic materials, they want cheap and I think a few companies design in "crash damage failure" to sell more parts.

8.5 pound 90 birds Rock!

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10-20-2004 12:55 AM  13 years agoPost 27
eric_b

rrKey Veteran

Denver, CO, USA

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I saw Turbo fly this machine when it had 600's on it, and I can say that because of the higher disc loading (9 pounds for a 50 sized disc) it didn't have the pop that you'd have with a standard sized 90 - which is what you'd expect. However, even with some tuning issues that he was having that day, it was flat out the fastest heli I've ever seen in straight line speed. It will pull 14 degrees of pitch in fast forward flight and it won't even hiccup. I'd love to see what it'd do in a speed trap. From what I've heard, Turbo has improved things a bunch since those flights that I saw, and I can't wait to see it now!

I still can't believe that those little 3421's take that kind of a lickin'. That's a real testament to JR engineering.

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10-20-2004 12:58 AM  13 years agoPost 28
eric_b

rrKey Veteran

Denver, CO, USA

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I remember stories from R60 frame stiffeners because the 91s did even tear that frame apart!
My >stock< R60 with YS 91 (2000 rpm headspeed) is a real screamer and the frames are fine.

OK, I did change the gearing and the paddles, but the rest of the heli is stock.

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10-20-2004 01:54 AM  13 years agoPost 29
Mike Wilson

rrVeteran

Toronto, Canada

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Turbo,

I think you did an excellent job with this machine. You are definately taking this hobby to the extreme by designing and building your own heli.

Not to many people can take credit for that .

Great job.

...led

Teambob00

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10-20-2004 02:28 AM  13 years agoPost 30
TurboStew

rrApprentice

Ft Collins, CO

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Thanks ledfoot and eric_b. I just flew it with a set of V paddles and a longer 4mm flybar. Cyclic is still slow. Should I try some white MA paddles? I hear these are the cat's meow.

8.5 pound 90 birds Rock!

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10-20-2004 07:21 AM  13 years agoPost 31
Gstjohn

rrApprentice

Shreveport, LA

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Aparently I have not seen this machine lately.
I apparently was completely out of line for opening my mouth and should have kept my comments to myself. I did not expect to have everyone flame me, I was just posting my opinion on the topic.

Greg "G-Dog" St. John, Team Lowerheli.com, Optipower USA, VP/ Powermaster fuels, BK Servos

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10-20-2004 09:33 AM  13 years agoPost 32
Yuma_Tommy

rrApprentice

Yuma, Arizona -- USA

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Ext 50 Grips

Turbostew

Those grips a good looking! Can you send me more info on them? Thanks!!

Raptor 50 V2--Evo 50--Freya X-Spec--Airtronics Stylus

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10-20-2004 02:12 PM  13 years agoPost 33
Mike Wilson

rrVeteran

Toronto, Canada

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Yuma,

There is contact information in the earlier part of this post. I already have mine on order .

....led

Teambob00

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10-20-2004 02:21 PM  13 years agoPost 34
Mike Wilson

rrVeteran

Toronto, Canada

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Turbo,

How much cyclic pitch are you getting with this machine? I am running about 7 deg on my Raptor 50 and the cyclic is balistic using 90mm V paddles. I went up to 8 deg but the cyclic was too fast and I had a litte binding so I went back down to 7. I have tried many paddle combinations including the white MA paddles. I am also running a 4mm min air flybar. I found the MA paddles to be very quick but too pitchy for me. I hear that Curtis runs them on his machines but he cuts 1/4 inch off of the leading edge and rounds it off to help reduce the pitchiness. I am going to try this later this week as well.

...led

Teambob00

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10-26-2004 03:41 AM  13 years agoPost 35
Mike Wilson

rrVeteran

Toronto, Canada

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I ordered my blade grips, extended boom and belt from Kyle. Kyle was great to do business with and promptly shipped my order. I will post my results of the upgrade soon .


....led

Teambob00

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11-01-2004 03:13 PM  13 years agoPost 36
Mike Wilson

rrVeteran

Toronto, Canada

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Well I had a chance to try out the new setup on my Raptor 50V2 last week and there was a definate improvement in the performance and stability of the machine.

The quality of the grips are excellent and the only issue was they were initially designed for larger 680mm blades so I had to use 2mm shims for my MAH 600mm blades.

I installed the grips, longer boom and belt without any issues and I can now use 95mm tail blades. You will need 3mm ball liks for the blade grips so I used the Min Air PN# 0107

The larger disk and higher blade loading made the machine feel more like a 60 sized heli and I was able to easily do aggressive tic tocs without bogging the engine. The blades now gernerate more lift and there is less overspeeding (I also have a TJ Pro).

I would definately recommend this upgrade and recommend doing business with Kyle.

Here are some Pics:

......led

Teambob00

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11-02-2004 12:35 AM  13 years agoPost 37
TurboStew

rrApprentice

Ft Collins, CO

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ledfoot,

Glad you like em, aren't they sweet? Kyle does some nice work. I love mine. We are trying to decide what to make next.

8.5 pound 90 birds Rock!

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11-02-2004 12:36 AM  13 years agoPost 38
TurboStew

rrApprentice

Ft Collins, CO

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ledfoot,

BTW, nice pics.

8.5 pound 90 birds Rock!

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11-02-2004 01:19 AM  13 years agoPost 39
Cy Paul

rrVeteran

Hamilton, Ontario

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Hey TurboStew,

I'm a personal friend of Ledfoot (Mike) and I was able to see your work first hand... Great job! Any chance you can make grips for other brands of helis I have a Robbe Millennium that would just love to have a set of thos killer grips!

Take care,
Cy

Helis currently flying =
Aurora,
Synergy N9,
Trex 600,
Trex 450

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11-02-2004 01:48 AM  13 years agoPost 40
Mike Wilson

rrVeteran

Toronto, Canada

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Thank you Turbostew for sharing this with the rest of us .

Next upgrade in the works for this bird is a KO 2123 high speed/high torque servo and a 2000mah lipo pack .

....led

Teambob00

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HelicopterMain Discussion › Extended Raptor 50 Grips!
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