RunRyder RC Helicopter Topic - Xcell electric conversion

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e-Electric Conversions > Xcell electric conversion

SeismicCWave
Veteran
Location: Hilo, Hawaii

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I hate wasting a perfectly good airframe. OTOH I can't bring myself to fly glow fuel anymore so I had to convert my old Xcell graphite to electric. After a lot of procrastinating I finally hunker down and made the motor mount. Now I just have to figure out where to put the batteries.

11-01-2009 06:49 AM

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SeismicCWave
Veteran
Location: Hilo, Hawaii

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So this is how the batteries are going to mount.

11-02-2009 02:50 AM

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jrockstuart
Elite Veteran
Location: Allen, Texas

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Looks nice. I like the big Scorpion motor. I'm tired of the nitro fuel too. Electric is so nice and clean.

MinAir Spectra-G
Trex 450Pro V-bar /Scorpion /JR
Wally Motors/New England Heli/DL Canopies

11-02-2009 02:55 AM

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misskimo
Key Veteran
Location: Alaska 13 years before , mississippi for 31 y

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man! I got 2 of those frame sets out in the cold (-1 F) shop right now in a box. couldnt even give them away. carbon frame set in the package with it. man thats an old one!
should have done away with the clutch though

Team X-Era ,Team ThunderPower, Minicopter & Spartan Gyros

11-02-2009 03:27 AM

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SuperSixTwo
Veteran
Location: Lockwood, NV

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i'll give ya 15 bucks and shipping for them

11-02-2009 03:50 AM

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SeismicCWave
Veteran
Location: Hilo, Hawaii

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>>should have done away with the clutch though<<

LOL, there is no clutch in there. It is only for show. The fan hub bolts directly to the clutch bell.

>>man thats an old one!<<

Actually this started off as the first Xcell I ever owned. Probably back in the late 80's. The original airframe just took on a life of it's own and started evolving. From the all metal frame it went to a Bergen Gasser conversion, then back to the graphite 99 frame and the tail got stretched. I doubt if there is an original part in it anymore though.

11-02-2009 04:32 AM

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SeismicCWave
Veteran
Location: Hilo, Hawaii

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That is the best electric conversion so far. The motor matched the helicopter perfectly. It is a Scorpion 4035-400 outrunner. I am using two purple bricks so that is 10 cells at 8000 mah. So far I landed at 10 minutes just to be safe but probably can go to 15 minutes or more easily. At 90 percent throttle with governor it is no 3D machine but the punch out on vertical is crisp and perfect for aerial photo work.

The helicopter is just as smooth as I remembered it. The weight although I didn't weigh it on a scale is not bad. The aluminum mounting plate worked well as a heat sink and the motor came down at 115 degrees F. Battery packs are only luke warm at 92 degrees F.

Over all I am impressed. The linkages are old school and all single pushrods but they are doing their job as long as I don't stress them.

11-07-2009 09:37 PM

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SeismicCWave
Veteran
Location: Hilo, Hawaii

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Here are some in flight pictures

The rain let up and I finally get a chance to get some in flight images of the eX-Cell. It flies for at least 10 minutes on 10S and the battery packs come back luke warm at 90 degrees F. The motor is also warm at 115 degrees F. Looks like I am not stressing anything out at all. The helicopter is just as smooth as I can remember and flies better than 20 years ago. Well 10 years if you count from the time I stopped upgrading.

The brand new original unpainted canopy is very brittle. It started cracking when I put it on the helicopter so the pictures in flight has no canopy. I ordered a fiberglass canopy to put on it.

11-19-2009 09:53 PM

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heliwreckr
Heliman
Location: Battle Creek, Taxigan

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That's the same motor i'm planning to put in mine

but i think i'll keep the clutch

who makes those battery packs

thanx

paul

It's not crashed 'til it hits the ground

11-20-2009 03:36 PM

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SeismicCWave
Veteran
Location: Hilo, Hawaii

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>>That's the same motor i'm planning to put in mine<<

The motor is working out great so far.

>>but i think i'll keep the clutch<<

My clutch is fake. I bolted the fan hub to the clutch housing.

>>who makes those battery packs<<

Those are True RC 8000 mah packs.

11-20-2009 05:59 PM

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jrockstuart
Elite Veteran
Location: Allen, Texas

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How old is that airframe?

MinAir Spectra-G
Trex 450Pro V-bar /Scorpion /JR
Wally Motors/New England Heli/DL Canopies

11-20-2009 07:49 PM

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SeismicCWave
Veteran
Location: Hilo, Hawaii

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>>How old is that airframe?<<

Most likely 1999

11-20-2009 08:04 PM

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Dr.Ben
rrProfessor
Location: Richmond, VA, USA

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Nice work. Maybe lose the start cone; it's dead weight. If you drill some holes in the motor mount plate at sensible spacing, it'll lighten it up AND may improve the cooling by increasing airflow through the plate, not just around it.

Ben Minor

Representing
MRC Hirobo Helicopters and Team Futaba for Radios
Morgan Fuels
OS Engines

11-22-2009 02:35 AM

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SeismicCWave
Veteran
Location: Hilo, Hawaii

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>>Maybe lose the start cone; it's dead weight.<<

Yes it is but it looks cool and doesn't really weigh that much.

>> If you drill some holes in the motor mount plate at sensible spacing, it'll lighten it up AND may improve the cooling by increasing airflow through the plate, not just around it.<<

Yup, that I plan to do. The only thing is that it is at very low priority because 1) It has no heat issue and 2) It has no weight issue.

The only issue I can foresee is the control linkages. They are still the original 2 mm size although they are all brand new.

The other issue may be the carbon tail boom. I hope it can stand up to the test of time because it is old and I hope it doesn't get brittle.

11-22-2009 02:53 AM

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Dr.Ben
rrProfessor
Location: Richmond, VA, USA

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I flew for MA for over decade. There has never been a documented issue with their carbon booms becoming brittle with age. Don't sweat that one...

Ben Minor

Representing
MRC Hirobo Helicopters and Team Futaba for Radios
Morgan Fuels
OS Engines

11-23-2009 12:51 AM

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SeismicCWave
Veteran
Location: Hilo, Hawaii

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>>There has never been a documented issue with their carbon booms becoming brittle with age. Don't sweat that one...<<

Thank you. I didn't think so but if there is anything out of the entire helicopter that may be a weak spot. Glad to know that it is not.

The Xcell is flying so smooth that I am thinking about putting it to work.

11-23-2009 01:07 AM

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e-Electric Conversions > Xcell electric conversion

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