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› Raptor 50 conversion
10-27-2013 04:48 PM  4 years agoPost 301
NitroSpazzz

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Knoxville, TN

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I've considered converting my old R30 V2 several times and this thread as well as a few others combined with cheap used equipment made me do it. I wanted to do things a bit differently though after going to a local funfly and seeing (more hearing) a Mini Protoss fly with it's full belt drive.

I picked up an assembled R50 Titan frame and removed the gas tanks, clutch bell, shaved the regular drive gear down to the point where it just works as a spacer and belt guide then chopped an inch or so off the tail boom to give me some belt slack. Can still run 600mm blades. Batteries fit where fuel tank was.

Motor mount is a Trex 600 mount with a E550 mount cut to work as bracing on the outside of the frames. Motor output shaft was cut down very short then using a 6-5mm adapter from http://www.sdp-si.com/ it drives a 5mm tail shaft and gear which slides into the bearing the clutch bell used to rotate in. I need to order a 5mm ID bearing to put there.

Electronics - Align 600MX 510kv, YEP 100A ESC, HK 6s 2200mah
Gearing - 8:41 - 80% gives ~1900 RPM, more than enough

Ran two packs through it last night hovering, may do some mild sport flying with it later today. I'm concerned hard 3D may cause the belt to jump but I'm not capable of that type of flying so it isn't a big concern.

Quieter than my Trex 250 or Mini Titan and once I get rid of the junk wood blades it should be quieter. I'm also going to play with lower headspeeds a bit to see how it behaves.

Hopefully the explanation makes sense, I'll upload some pictures at some point to clear things up.

Blake

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11-19-2013 11:21 AM  4 years agoPost 302
Heli143

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Phenix City, Alabama

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sweet!

don't forget to post some video with the pics...

Roy Mayoral

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02-09-2015 04:28 AM  3 years agoPost 303
flyawayed

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orlando , fl .USA

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after Well fallowing this thread for a while I decided to move over to the dark side and give up nitro so I converted with clutch my raptor 50 that has been in a bell 412 fuselage for about 3-4 years now and going by what I seen here on the thread the convert went pretty easy and was done in just 4 hours. With running the the stock gearing of 85 main and 10 pinion I'm using a 510kv 700mx align motor with the trex 550 motor mount and a scorpion 90amp ESC on 8s she is flying so sweet I'm glad that I made the switch! On the 8s setup I'm getting a 7min flight at a head speed of 1525 on a scale 4 bladed rotor head and after my flights my batteries bearly even warm. And now I can fly this helicopter with the doors closed where before if I did the heat from the nitro motor would have it run poorly so had to fly it with the doors open all the time.hopefully will have a video of my flight to post.

edward lopez sanchez

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02-11-2015 10:53 PM  3 years agoPost 304
PJRono

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Minnesota, Ya!

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Nice job!

If you skip me I can't play!

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12-02-2015 02:37 PM  34 months agoPost 305
Blazer7671

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Pueblo west

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Decided to try helicopters again after some 7 years away from them. Being the only heli guy in my club, it takes a back burner to the large warbirds. I came across a guy with a never flown Rap 70 for a whole $100 locally and couldn't turn it down. That got me thinking about the other 5 heli's I have on the shelf. A V1 and V2 30 size, 50 Titan that I bought 4 years ago and did nothing with and a pair of Nexus 30's

I really like the clutch E conversion. Here's my question. All the 600 size motors in the Kv range I'm happy with for 6 to 8s setups have 6mm shafts. The prop adapter with the correct 1/4 x 28 threads is only in 5mm. Did you all just drill the thing out to 6mm?

Aaron

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12-02-2015 11:46 PM  34 months agoPost 306
flyawayed

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orlando , fl .USA

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The prop adaptor is made for 5mm shaft. U could either change the shaft with a scorpion motor shaft that's the end of the shaft is 5mm but the rest is 8mm. Or get a machine shop to shave it down to 5mm. But that what I did for my align 600mx 510kv motor. I had for a 600pro that was for a 12s setup. I'm running mine on 8s with a scale 4bladed head at a head speed of 1500 and 8min flight time. After I got mine daile in I know she needed two things, first citationship, and new paint job, so after sanding and alittle fiber glass work she turn out gorgus. I recently found out that my 412 nitro to electric conversion Heli was in the RC Heli pilot magazine from Dalton and had alot ppl loving the clutch spool up. An to date I have 189 flights as of the conversation with noploblems.

edward lopez sanchez

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12-03-2015 01:22 PM  34 months agoPost 307
DCORSAIR

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Selma, Calif.

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I bought a Scorpion 550kv motor from Scorpion a couple of yrs ago and it had the 5mm shaft, might want to check into that and see if you can still get it. It works great with the Great Planes 5mm prop adapter.

D. Lee.....t.Born again.t.....

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12-03-2015 03:01 PM  34 months agoPost 308
Blazer7671

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Pueblo west

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So I have access to a lathe..I could turn the shaft or just break out the drill bit index and bore the adapter to 6mm. I'm thinking drilling would be a lot easier. I'll check out the Scorpion motors before I do that though. I usually avoid them due to cost.

Ok...now the scale head on the Raptor air frame. So how did you (ED) manage to get the 4 blade head onto the non CCPM setup?

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12-03-2015 05:03 PM  34 months agoPost 309
flyawayed

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orlando , fl .USA

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That wasn't hard the head I used is from audacity models who makes the pantera tiger helis, on there web site they sell a scale 4 bladed head that in the washout has 4washout arms the make for setting the phazing super easy to the point the the head didn't even need a FBL unit on it to fly. After about 50 flights I added a beastX to make it fly even smoother but it not hard to make a non ccpm Heli fly with a scale head and not have iuess to fly it. I've done a 3,4,5 and 6 bladed head on raptor for years the only hard part was drilling and tapping for the ball on the swash plate for the 3,5 bladed heads. But years ago when thunder tiger came out with their scale fuselages like the eculceil, I built with a scale 3bladed head and the MD530 with a 5blade head. And Uh1Y with 4,and the a109 with a 4.as long as the phazing is set up rite for the head any scale head can fly on a rappy and u don't need to be ccpm to fly it.
Also to add if u measure the leight of ur motor shaft on ur current motor it most likely about 85-93mm long and 8mm wide u can get one in that class of 600 size motors with the end cut to 5mm for around 12$ which would be a 4025 main motorshaft but if the measurement are alittle bigger then u will be a 4035 or bigger then the shaft will cost around35$.

edward lopez sanchez

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12-03-2015 05:50 PM  34 months agoPost 310
Heli143

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Phenix City, Alabama

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very nice Edward!!

good info on using a multi blade head on the raptor.
My Hughes 500 has been a PIA to set up with five bladed head.
so much so I decided to go back to the two blade FB head on it and use the five blade head on a Seaking using Rex600 mechs.

thanks!

Roy Mayoral

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12-03-2015 05:51 PM  34 months agoPost 311
flyawayed

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orlando , fl .USA

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Here's a old video of my 412 before the conversation amd new paint job. This is a 10year old rappy 50v2 with a hyper 50 motor with the scale 4 bladed head. Now the rappy mechanics I've had since 2005 and the head and fuselage since 2010, and this Heli has well over800 flights both as a nitro and new electric conversion, with this head and fuselage RC Rescue Helicopter:

Watch at YouTube

edward lopez sanchez

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12-03-2015 05:57 PM  34 months agoPost 312
Heli143

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Phenix City, Alabama

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nice video!!

now to be clear, this flight was with the Pantera four blade head?

Roy Mayoral

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12-03-2015 06:01 PM  34 months agoPost 313
flyawayed

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orlando , fl .USA

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Hey Roy good to hear from u just so u know I used the 90•swash plate from century part # cn1117a for the 5 and 3 bladed head I've built in the past. For my rappys. But one of those swash plate with a TF plug and play 5 bladed head on a rappy would fly so sweet u wouldn't want to fly anything else.
P.s are u planning to go to the Orlando Heli blow out this weekend?

And yes that's the pantera head from auducity models.

edward lopez sanchez

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12-03-2015 06:03 PM  34 months agoPost 314
Heli143

rrElite Veteran

Phenix City, Alabama

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thanks for the advice!

I will order a five blade plug and play from RCA today before I give up on my 500

This weekend? dang it!
no way, I am catching up with the wife's to do list after being gone from home most of the year.

BUT, I do plan on going down there one of these coming weekends and stop at Grave's while I'm down there. I will drop you a line and see if we can hook up also.

Roy Mayoral

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12-03-2015 06:07 PM  34 months agoPost 315
flyawayed

rrVeteran

orlando , fl .USA

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Cool that sounds good to me

edward lopez sanchez

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12-03-2015 07:25 PM  34 months agoPost 316
Copter Doctor

rrProfessor

Enterprise/ft.rucker ,al- home of army aviation

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Nice flying Ed, sweet helicopter too.
Roy the only thing keeping your raptor in that fuse from acting right is the lack of time on our parts to get together and get it straightened out. just hang in there, you know its just a matter of getting to it

drive a rotary, fly a rotorcraft

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12-04-2015 03:08 AM  33 months agoPost 317
Blazer7671

rrNovice

Pueblo west

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That's pretty darn cool Ed. After watching the videos on audacity's site, I have a new respect for why they cost what they do! I got myself a 4 blade head for one of my trex 450 birds off eBay so I can familiarize myself with how they work.

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12-04-2015 06:52 PM  33 months agoPost 318
Blazer7671

rrNovice

Pueblo west

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I want to run 8s simply because I have several 4000mah 4s batts I use for a couple of my airplanes. Thinking of the Yep 100HV speedo since I have several and a programming card.

Motor selection....Thinking 600kv with 8s and the 8.5 gearing will give me a head speed of about 2100 or so. I want to do a scale project with a 4 blade head. Thinking 5000ft will need about 1600 to 1700 head speed? Do I need to have the motor close to full speed to keep things from overheating? 510Kv should be close to 1800 head speed on 8s.

All of my previous heli experience has been self taught, so I've never actually tached head speed. Just went with how it sounded compared to videos I've watched years ago. I can fly a heli sorta like a plane but can't come close to much of the 3D stuff.. Just a little background on my heli driver abilities.

Aaron

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12-04-2015 07:27 PM  33 months agoPost 319
flyawayed

rrVeteran

orlando , fl .USA

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Ok first scale rotor heads are not to be running high headspeed, they can have head fellure and extreme vibrations. Most scale heads recamend not to exceed above 1600-1650 HS. For my rappy 50 with a scale 4 bladed head I'm running on 8s with 2, 5000mah 30c a pack, the esc is a CC ice2HV 120 and with a governor mode with a soft start I get a sweet spool up amd I fly in idle up at 100% throttle, which gives me a smooth 1525 HS. After a 7-8 min flight my batteries are not even warn. Just keep in mind the scale head need lower HS then what ur used to, even though it will sound slow, mulity bladed create more trust and lift then a 2 bladed at a slower speed.

Rappy 50 clutch E spool up:

Watch at YouTube

edward lopez sanchez

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12-05-2015 02:56 AM  33 months agoPost 320
Heli143

rrElite Veteran

Phenix City, Alabama

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Now that's what I'm talking about

The poor mans'S turbine. Sounds great!

Edward, RCA is out of stock on the PNP 4 blade head so searching for one.

Roy Mayoral

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