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  1. #1

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    glow to electric conversion

    I have a Skyshark ME-109 that I am considering changing from glow to electric. 65" span, about 10lb. What motor/esc/batt type should I consider?

    Thank you......
    \"I dont have an attitude, rather, you have a perception problem\"

  2. #2

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    RE: glow to electric conversion

    I fly a p-47 .60 with power 90 with 8S and HV 85 esc. weight is 11 lbs

  3. #3

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    RE: glow to electric conversion

    You could use a 50xx series motor on 6s and a 80Amp ESC. Something like a 5065 320KV would be good.
    91-Zulu

  4. #4
    glazier808's Avatar
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    RE: glow to electric conversion


    ORIGINAL: thrawn150

    I fly a p-47 .60 with power 90 with 8S and HV 85 esc. weight is 11 lbs
    +1

    I've had great success using the Eflite power systems. Great product for the money.

    Casey
    Fliteskin, Sierra, Nelson Hobby, MICKO aircraft, Getstencils, Holman Plans, VicRC, Castle Creations, Addicted to Luft, BestPilots.com

  5. #5

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    RE: glow to electric conversion

    There is really no reason to use 8s on a 10 lb bird. I have a Pica sixty size Spitfire with the Himax 5030 - 390 on 6s and it`s a bullet. A 50xx series motor can turn up to a 18" prop on 6s. 10 lbs is nothing for these motors. Adding 2 more cells is just a waste not to mention weight for such a small bird. But it is all up to you. By the way my Spitfire is about 10 - 12 lbs.

    http://www.maxxprod.com/pdf/HC5030-390.pdf
    91-Zulu

  6. #6

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    RE: glow to electric conversion

    Good to know Zulu. The pica Spit is a good comparison bird.
    \"I dont have an attitude, rather, you have a perception problem\"

  7. #7
    glazier808's Avatar
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    RE: glow to electric conversion

    I guess I should clarify,

    I've had great success with the eflight systems....I use a 5 cell setup though(5000MaH) on the Power 60 and that's more than enough(I fly for 15min plus on this with a 7lb Me163). Its actually rated for only 5 to 7 cells, and I don't exceed the manufactures specs, so I could not recommend the 8 cell setup. For the price I've found that the Eflite systems have preformed without any failures, or letdowns(as all seem to exceed the same sized glow or gas motor for power, and I own 7 warbirds all powered by Eflite. with The smallest being the Power .60 which is rated for scale up to 10 lbs , and 5 Power being the power 160, and one power 110.

    Can't say much for other brands as I've stuck with what worked for me...

    IMHO, the Power 90 would be more than enough to power an 11 lb bird, with excess. Once again Zulu may have found a a better price on a similar product...I can't really say

    Casey
    Fliteskin, Sierra, Nelson Hobby, MICKO aircraft, Getstencils, Holman Plans, VicRC, Castle Creations, Addicted to Luft, BestPilots.com

  8. #8

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    RE: glow to electric conversion

    These are good too. The 5055- 500 KV motor would be good for what you need. The 5065 would be better. You would be able to cruse at a good clip at half throttle on 6s. The 65 is more like a 120-140 4 stroke only with a lot more torque.


    http://www.electrifly.com/motors/gpmg4505.html
    91-Zulu

  9. #9
    glazier808's Avatar
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    RE: glow to electric conversion

    I've been looking at the Rimfire 65cc equivalent for my 1/6th(80 inch) P47, I didn't realize that was the line you were referring too.
    [:@]


    Casey
    Fliteskin, Sierra, Nelson Hobby, MICKO aircraft, Getstencils, Holman Plans, VicRC, Castle Creations, Addicted to Luft, BestPilots.com

  10. #10
    Moderator da Rock's Avatar
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    RE: glow to electric conversion

    If I had to choose between Rimfire and EFlite, I'd go with the Rimfire. In fact, I've just had to make that choice twice and wish I'd gone Rimfire 1st for both.

    A Rimfire .80 is going into my conversion from an OS91 in my H9 Thunderbolt. I used the 91 from the beginning in order to spin a larger diameter 3-blade prop. It's been awesome since day one. Looked scale and flies scale. Fast and smooth. The other day I noticed there wasn't a 'regular size' electric warbird in the hangar and Warbirds over Dixie was coming up. The conversion has been almost effortless. There should be a P47 and another electric under my popup at the Dixie this year.

    I'm also assembling the new slightly smaller H9 Corsair as an electric. It has gone along effortlessly until I started installing the Power52. It turns out to be significantly longer than the Power46. I didn't have that 46 to compare to the 52 when I bought the 52. The hobby shop clerk looked up the two at my request to see what the measurements were. They don't happen to list about half the specs on the 52 for some reason. One of the missing ones was length. Go figure. I figured there was a good probability the 52 wouldn't be too much longer since it should only be a touch stronger and a lot of electric motors of the same power measure exactly the same. Not only is the 52 way too long for the cowling, but after looking at the few specs listed, I have doubts about all the specs.

    EFlite says the Power46 is a 925 watt motor. OK, seems realistic. The 52 should be about 15% more powerful right? EFlite says it's 1650 watts. That's more than 75% stronger? And it's 20% heavier. But EFlite's suggested props for the 46 says you can go toa 14x10 but have to stop at a 14x7 for the 52. Make any sense? But the clincher was:

    When I had everything installed and tried to connect the motor to the ESC, the factory installed male connectors on that Power52 would NOT go into the provided female connectors that came in the box with that sucker. In fact, I can't plug that Power52 into any of my existing ESCs. I really don't feel like buying connectors for the thing. It also turns out that 52 requires an 80A esc. The 46 requires a 60A and I have a number of 75As ready to go. In fact, the RimFire .60 and RimFire .80 both take 60As as well. And for some reason, the Power52 weighs over 2 ounces more than the 46 and almost as much more than the RimFire 60s and 80s.

    I'm definitely not a fan of EFlite. They've cost me both time and money since I got into electric some years back. I'm sure a lot of their products are excellent, but I've not been lucky enough to have bought only those. I'm also not a fan of real cheap Chinese electric stuff. Been there done that and lost time and money. After trying EFlite again after some years, I'm not convinced EFlite is any better choice than cheap Chinese. But my experience with RimFire has been 100% so far. And that's been somewhat unique with the electric stuff being sold nowadays.
    Good flying wit ya today

  11. #11

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    RE: glow to electric conversion

    I’ve done this with a platt fw190d9, GP stuks, H9spit, and evergreen P-51.

    Platt fw190d9 wt 11#
    Turnagy SK 5065-380 (now NTM 5060-380)turninf a 15x10e
    Castle Ice 100 with 8S6k20C batteries
    Burn rate of 540ma/minute at full throttle, flown at 80% throttle

    GP stuka wt 8.5#
    Turnagy SK 4260-500 turning a 13x10e
    Plush 80 with 6s5k20c batteries
    Burn rate of 490ma/minute at full throttle, flown at 80% throttle

    H9 spitfire at 8.5#
    Power 60 turning a 14x12e
    Castle Ice 100 with 6s5k20c batteries
    Burn rate is 670ma/minute at full throttle, flown at 80% throttle

    Evergreen P-51B at 9#
    Aeolian 5065-380 turning a 15x8e
    Super brain 100 with 8s5k20c batteries
    Burn rate is 490ma/minute at full throttle, flown at 80% throttle

    To find these components you need to look on hobby king, and leader RC

    Hope this helps

    Joe
    If it doesn't fly it wount cetch my eye.

  12. #12
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    RE: glow to electric conversion

    Wow da rock,
    Sorry bout your luck...
    Never had a problem with any of the connectors they provided, but then I do try to match the motor with the correct ESC for the job from eflight and they provide exactly what you need. I use the eflite ESC's for all but the power 110 and 160's that have Castle Creation ESC's ....and yes the connectors needed changed as they are from didfferent manufactures.
    The power 52 is one of their newer releases, this may be why there was a lack of info on the site.

    I've never expected different manufactures to use the same connectors, and I have a supply of connectors that I have chosen to go with to standardize my hanger. Usually EC3 for the smaller stuff and EC5's and 6.5 bullets for the larger

    I too stay away from the discount china stuff from you know where.....it's all rubbish IMHO

    Casey
    Fliteskin, Sierra, Nelson Hobby, MICKO aircraft, Getstencils, Holman Plans, VicRC, Castle Creations, Addicted to Luft, BestPilots.com

  13. #13
    Moderator da Rock's Avatar
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    RE: glow to electric conversion


    ORIGINAL: glazier808

    Wow da rock,
    Sorry bout your luck...
    Not as sorry as I have been over the years. It actually started when the first EFlite motor I bought snapped it's shaft. It was connected to a plastic gearbox. The gearbox wasn't damaged, nor was the prop. Go figure... (obviously an over tempered shaft)

    Never had a problem with any of the connectors they provided, but then I do try to match the motor with the correct ESC for the job from eflight and they provide exactly what you need. I use the eflite ESC's for all but the power 110 and 160's that have Castle Creation ESC's ....and yes the connectors needed changed as they are from didfferent manufactures.
    Maybe there are different mfgs for each brand, maybe not, as every middle size motor I've got came with connectors that fit all the other motors, and the only odd man out is that Power52. It won't go into it's own connectors, although the other motors that size will. It's obvious the ones on the Power52 are the odd man out. I measured all the male connectors just to see what the mic said, and all the other connectors were .180-.182". The ones on the Power52 were .198-.202". That's about .020" oversized.

    The power 52 is one of their newer releases, this may be why there was a lack of info on the site.

    I've never expected different manufactures to use the same connectors, and I have a supply of connectors that I have chosen to go with to standardize my hanger. Usually EC3 for the smaller stuff and EC5's and 6.5 bullets for the larger

    I too stay away from the discount china stuff from you know where.....it's all rubbish IMHO

    Casey
    You really would hope that a manufacturer would have that info before he printed the manual he sent with the motor. And you would really expect them to put properly sized connectors into the box with the motor. Truth is, they've handled a number of motors about like you'd expect from that discount chinese stuff we both feel the same about.

    Honestly, I was very surprised to encounter a repeat performance from EFlite after seeing how much product they undoubtedly sell. However, "once bitten, twice shy" would fit perfectly, except in my case it's, "thrice bitten". I've been bitten enough that I've decided it's worthwhile to get vocal.

    That Power52 may be new to their line. It certainly looks out of line in a couple of ways.
    Good flying wit ya today

  14. #14
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    RE: glow to electric conversion

    Humm did you build this plane or are in the process? Looking at the wing wing span and seeing it's a built up wing that would be a pretty light weight if we are talking fully loaded. Is it glassed or monokote?

    My top flight 60 P-47 arf was 12.5 pounds fully loaded ready to fly. I have a old hanger 9 60 miss america that doesn't have a fully sheeted wing and is a really light plane and it's 8.5 pounds fully loaded, I run 6s on it and 8s on the P-47.

    I've been messing with electric only since 2007 and will tell you I have tired about all the motors out there and you will not find a better outrunner than Hacker, very efficent and powerful. I would think this plane is going to be closer to 12 pounds loaded with packs. Take a look at the hacker A50-16L with a 17x12 prop on 8s 5000mah this will put you in the 2000 watt range, so if your 12 pounds fully loaded your talking 166 watts per pound which will fly it really nice.

    Now if you are lighter the A50-12L with a 16x12 prop on 6s 5000mah could do the trick.. my H9 miss america is 8.5 pounds and I'm seeing about 1300 watts with this setup.... I'm seeing 152 watts per pound which flies it very nice. I like my warbirds to have a little extra power...nothing crazy but in the 150 watt per pound range feels perfect to me. Any less and they start to feel like a dog with no vertical.

    Here is a link to Hacker motors.... I can't recommend them enough... I have thousands of flight on there motors and they have been amazing and stand behind there product.
    http://www.aero-model.com/Hacker-Bru...50-Series.aspx


    Here is a pretty bad video of a flight of my old P-47 that was 12.5 pound... with the A50-16L (17x12prop) 8s 5000mah... I was trying to drop my bombs for the first couple minutes of the flight then one got stuck so I just flew it around, my bud decieded to put starwars music over the video..., so don't mind that. But you can get an idea of what 2000 watts looks like on a 12.5 plane, thats fully loaded ready to fly. I feel your plane is going to be very close to this weight fully loaded.

    [youtube]http://www.youtube.com/watch?v=Rjqj3IpelKY[/youtube]
    \"It\'\'\'\'s not personal, Sonny. It\'\'\'\'s strictly business.\"

  15. #15

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    RE: glow to electric conversion

    Ron-I have heard nothing but rave reviews in regards to Hacker products. I have a scale, full pilots figure (Hans Joachim Marseille) installed in the cockpit. The pilot alone weighs almost a pound. Im thinking I may mirror your T'bolts innards.

    How does your P-47 do in regards to cooling? Im thinking I may have to open up the radiator under the nose a bit to aid in air flow. Again, this is all new to me. I have a PZ me-109 and the new fw-190 electrics (which I love) but this model will be significantly different. Ill try and post pics of the model. JG-27, yellow 14 F-4 Tropical. Hans Joachim Marseille......[8D]
    \"I dont have an attitude, rather, you have a perception problem\"

  16. #16

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    RE: glow to electric conversion

    Hacker is like the Benz. Rimfire is like the Toyota. Both are very good, only comes down to how much you want to spend. Just know you WILL ALSO get LONG LIFE from the cheaper motor. Even though some STILL say you have to spend more to get good quality. I have yet to see a BENZ on the top 10 consumer satisfaction report. Number one has always been either Honda or Toyota.
    91-Zulu

  17. #17

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    RE: glow to electric conversion

    Oh ya.....so true! I swear by Lexus. Would never own a newer Benz product. But I would def. take an older, vintage luxury Benz product. 500SL is one of the sexiest beasts made IMO
    \"I dont have an attitude, rather, you have a perception problem\"

  18. #18

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    RE: glow to electric conversion


    ORIGINAL: da Rock



    EFlite says the Power46 is a 925 watt motor. OK, seems realistic. The 52 should be about 15% more powerful right? EFlite says it's 1650 watts. That's more than 75% stronger? And it's 20% heavier. But EFlite's suggested props for the 46 says you can go to a 14x10 but have to stop at a 14x7 for the 52. Make any sense? But the clincher was:

    Rock the reason the 52 swings a smaller prop is because of the KV. Higher KV motors are hi revving where as the lower KV motors are like 4 stroke engines. So a motor with 7 turns will swing a small prop while a motor with 16 turns will swing a larger prop.
    91-Zulu

  19. #19
    Ron101's Avatar
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    RE: glow to electric conversion

    Ron-I have heard nothing but rave reviews in regards to Hacker products. I have a scale, full pilots figure (Hans Joachim Marseille) installed in the cockpit. The pilot alone weighs almost a pound. Im thinking I may mirror your T'bolts innards.

    How does your P-47 do in regards to cooling? Im thinking I may have to open up the radiator under the nose a bit to aid in air flow. Again, this is all new to me. I have a PZ me-109 and the new fw-190 electrics (which I love) but this model will be significantly different. Ill try and post pics of the model. JG-27, yellow 14 F-4 Tropical. Hans Joachim Marseille......
    The beauty of the hacker motors is on the back of the motor you have a built in fan that draws air through the motor.... As we know heat is a killer! I believe a great deal of what makes hackers work so well is the fact that they run so cool with that fan. The draw back is you have to use a front mount not a rear radial. But again I think that's better because you have much less stress on the bearings of the motor with a front mount.

    You can not go wrong with a hacker motor, there a few bucks more but well worth it
    \"It\'\'\'\'s not personal, Sonny. It\'\'\'\'s strictly business.\"

  20. #20
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    RE: glow to electric conversion

    The Tacon Bigfoot 110 is only $51.50 at Hobbypartz today.  I like Tacon's numbering system because it relates directly to a standard fuel engine.  Most numbering you see is the size of the motor in mm and that is just stupid.

  21. #21
    Moderator da Rock's Avatar
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    RE: glow to electric conversion

    AXI is another top mfg. They don't seem available anymore however.
    Good flying wit ya today

  22. #22
    Moderator da Rock's Avatar
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    RE: glow to electric conversion


    ORIGINAL: 91zulu


    ORIGINAL: da Rock



    EFlite says the Power46 is a 925 watt motor. OK, seems realistic. The 52 should be about 15% more powerful right? EFlite says it's 1650 watts. That's more than 75% stronger? And it's 20% heavier. But EFlite's suggested props for the 46 says you can go to a 14x10 but have to stop at a 14x7 for the 52. Make any sense? But the clincher was:

    Rock the reason the 52 swings a smaller prop is because of the KV. Higher KV motors are hi revving where as the lower KV motors are like 4 stroke engines. So a motor with 7 turns will swing a small prop while a motor with 16 turns will swing a larger prop.

    Seeing as how EFlite rates the Power52 almost 80% more powerful than their Power46, the Kv would not be the only thing affecting prop choices. They say it's got 1650 watts worth of power versus 925 watts for the Power46. Even with 12% less Kv rating, 80% more power should swing more prop.

    But let's consider just the specs and the Kv ratings. EFlite says the Power46 will swing a 14x10 @ 12,864 rpm and the Power52 will swing a 14x7 @ 13,100 rpm. That's about the same speed. Same diameter props, but the weaker motor can turn 10" pitch the same rpm the "more powerful" motor turns a 7" pitch. That's just not right.

    The numbers EFlite does provide for that motor would have been better left unpublished.



    Good flying wit ya today

  23. #23
    glazier808's Avatar
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    RE: glow to electric conversion


    ORIGINAL: da Rock

    AXI is another top mfg. They don't seem available anymore however.
    not quite correct...Hobbylobby has the full line of AXI motors.

    Casey
    Fliteskin, Sierra, Nelson Hobby, MICKO aircraft, Getstencils, Holman Plans, VicRC, Castle Creations, Addicted to Luft, BestPilots.com

  24. #24

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    RE: glow to electric conversion

    According to the specs it swings up to a 15x8 on 4s. so it does swing a bigger prop at 590 kv. On 6s a 12x8. So it is just a little boost over a 46 same as the Super Tiger 49 over the 45 or 50 size 2 stroke over the 45s and 46s. Now I know there were a few 50s that did not live up to the claims of bigger power as claimed, like the Fox 50 over the 45 Deluxe. Nah that 45 was a beast. Also the old OS 45SF.
    91-Zulu

  25. #25

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    RE: glow to electric conversion

    I have run Lighting, E-flite and monster power motors. I have never had a issue with any of them. Only issue I have with Hacker motors is cost.


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