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E-Motor Mount for Pletti Xtra Outrunner

Old 02-18-2007, 03:37 AM
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crazyf3a
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Default E-Motor Mount for Pletti Xtra Outrunner

Hey Guys
Who can help ? I have a Pletti Xtra 30 Outrunner. I'm looking for the perfect Moutor Mount.
Light and strong I build a Rock'n Roll from Ultra RC
SR
CrazyF3A
Old 02-20-2007, 02:36 AM
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Default RE: E-Motor Mount for Pletti Xtra Outrunner

Hi Crazy, I'm not sure if it would work, but in the Evolution with the Axi, I ran the mount from Esprit models here..
http://www.espritmodel.com/index.asp...S&Category=678

Maybe you could call them to see if they have a pletty mount. Maybe they are the same as the axi. I don't know..

You could also run a budd mount, found here....
http://www.buddengineering.com/Merch...tegory_Code=MM

Which does work with the pletty...

Good luck!!

Chris
Old 02-20-2007, 02:48 AM
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Default RE: E-Motor Mount for Pletti Xtra Outrunner

Chris
I am awaiting arrival of my Plett motor to measure and determine which mount I need to order.
I'm looking at the Esprit mount like the AxI 53xx.
Do oyu have any idea of a weight for such a setup, as you're using for your axi.
I don't see any weights for the mounts on there site.

I'm gonna be running the Plett 30-10Evo, Schultze fut 32.80KA ESC and FP Evo 5000 batts
thanks
Eddie
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Old 02-20-2007, 02:55 AM
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Default RE: E-Motor Mount for Pletti Xtra Outrunner

Eddie,
Your going to have a nice setup it sound like..
My mount is between 60 and 80 grams. Depending on the length of the standoffs...

Chris
Old 02-20-2007, 02:56 AM
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Default RE: E-Motor Mount for Pletti Xtra Outrunner

Also, I took a dremel to mine so they may be a little lighter.
Also, you could use carbon plate with the standoffs to save more weight. I would do this but I quit flying my Evolution now..

Chris
Old 02-20-2007, 05:49 AM
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Default RE: E-Motor Mount for Pletti Xtra Outrunner

Hallo Chris
First thanks for Info
I does not think difference between the two engines is so large. Have me already considers to make this.
I have build for my E-Evolution a motor mount. Look at the Photo. But it is to heavy.

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Old 02-20-2007, 08:57 AM
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Default RE: E-Motor Mount for Pletti Xtra Outrunner

Oh, BTW, the budd mount is maybe 1.5 ounces I think.. I'll weigh it tonight when I get home if I remember..

Chris
Old 02-20-2007, 07:41 PM
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Default RE: E-Motor Mount for Pletti Xtra Outrunner

Crazyf3a
Man that's perect info. a lite ply box is my other alternative.
Do you know what the weight of your motor mount box in the photo comes to?
Also dimensions would be "nice" since I'll be putting the same motor on the same plane and my motor hasn't arrived yet.

Chris my prebuild weight estimate at this time is 4550Gm without a tail wheel, motor mount box ,battery mount tray,prop and spinner.
I am anxious to see what my AUW ends up at and how it flies as this will be my First Electric.

thanks for the help
Eddie
Old 02-20-2007, 09:50 PM
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Default RE: E-Motor Mount for Pletti Xtra Outrunner

Well I don't know much about yours, but my evolution came out 11lbs 3 ounces after the gear block and the carbon gear I put in it. Not sure how it got so heavy as I weighed it early on with all the stuff and had it figured for 10lb 8 ou. LOL
Of course this is electric..

Good luck with your mount..

Chris

Old 02-20-2007, 11:33 PM
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Default RE: E-Motor Mount for Pletti Xtra Outrunner

Crazy,

Here are a couple of pictures of the firewall I use with the 30-10 Evo motor, very simple, just 1/8" lite-ply with carbon laminated to each side. You have to use a backing ring for the bolts or they can easily crush the firewall, so 2mm solid carbon, or 1/8" aircraft plywood work well. The ring just needs to be big enough to support the washers on the bolts. As shown this firewall weighs 22 grams.

There is no need for a softmount with an electric motor, just extra weight and expense that is not required.
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Old 02-21-2007, 05:20 AM
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Default RE: E-Motor Mount for Pletti Xtra Outrunner

Hallo Chad
My secound plane is a ZN Synergy with the Pletti Evo and.... and.... The same setup you have in your twister.
I will copy your motor mount. I saw and read in your build report from your Twister. The idea with the Ring on the backside is very good. What you think about Balsa front wood instead of plywood, with carbon.
thanks for help
Old 02-21-2007, 05:21 AM
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Default RE: E-Motor Mount for Pletti Xtra Outrunner

Hallo Chris
I will weight my E-Evolution tonight. I have the carbon gear from ZN LIne and the Pletti 30-10 with the schulze ESC KA 32-55.
I would like to speak gladly about your experience with evolution but in the evolution forum.
Thanks also to you for your information.

Old 02-21-2007, 05:26 AM
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Default RE: E-Motor Mount for Pletti Xtra Outrunner

Hi Eddie
I will weight the motor mount tonight. I will give you any information about build.
Have a nice day
Old 02-21-2007, 11:37 AM
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Default RE: E-Motor Mount for Pletti Xtra Outrunner

Hallo to All

Eddie:
The weight of the motor mount is 64.5 gr. ~ 2.27 oz. I have a picture in corel Draw. Please send a PM if you want the File.
I have build in aircraft Plywood 0.118 in laminated with 80 gr. (0.176 lb) Glass fiber one time.
Chris:
I have weight my E-Evolution today. The weigt is 4.783 gr. (10.5 lb) with all components. (Ready to fly).
The setup was: Pletti Xtra30-10, schulze 32-55, APC 21x14, Gear from ZN-Line, Lipo: Emcotec 10S2P Emcotec 4000mAh (1150gr.) That's it.
I hope correctly converted.

Thanks to All for infos and comments.
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Old 02-21-2007, 11:55 AM
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Default RE: E-Motor Mount for Pletti Xtra Outrunner

I agree. Soft mounting isn't needed.
Old 02-21-2007, 01:45 PM
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Default RE: E-Motor Mount for Pletti Xtra Outrunner

Hi there Everyone,

Well, that I could have look at Esprit model (didn’t ask do if thy have one for Pletty “Ops†) thy
don’t have one that could be use without any modification.

Well I’ve decided that will make my own.
And it isn’t that hard to made one of the back plate. I’ve only used there Rods.

A Picture can (says) describe better than word so, here follows a couple of pic’s of my set-up.
Pletternberg Extra 30-10 Evo motor and plane JM Composite Leviosa.


Regards,
Danny Koolman
www.arubarcclub.com
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Old 02-22-2007, 02:19 AM
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Default RE: E-Motor Mount for Pletti Xtra Outrunner

The setup was: Pletti Xtra30-10, schulze 32-55, APC 21x14, Gear from ZN-Line, Lipo: Emcotec 10S2P Emcotec 4000mAh (1150gr.) That's it. How's it fl;y with the Plett 30-10. I almost went with that motor but decided to get the new 30-10 EVO
thanks for all your help
Eddie
Old 02-22-2007, 04:51 AM
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Default RE: E-Motor Mount for Pletti Xtra Outrunner

Hallo Eddie
My first Motor was the Xtra 25-13 with a RASA 18.5" x 12" prop. The power was good. One year later Pletti was comming with the Xtra 30-10. More power and the prop I have flown was from 19"x12" to 21"x14". The motor was newer constuction. I had flown last year until 130 Flights with the 30-10 No Problems. Not in one of my flights I had a problem. I dont need more power. It's enough for me but Pletti thinks differently came with a new motor. I think Its good so. In Autumn last Year after the EM in Swiss I buy the Xtra 30-10EVO. This motor is standard I think. I cannot say how the power is. I dont have flown. Everyone says fantastic I think also.
Your decision to buy the new EVO engine is absolutely correct although the power of the 30-10 is enough. That is my opinion.

SR
andreas
Old 03-30-2007, 11:20 AM
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Default RE: E-Motor Mount for Pletti Xtra Outrunner

I wanted to show what I ended up doing.
I modified the mount from UltraRC for the Hacker to accept the Plett.
Crazyf3a thanks for all your help.
Eddie
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Old 03-30-2007, 03:58 PM
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Default RE: E-Motor Mount for Pletti Xtra Outrunner

Our lives would be so much easier if plane designers built the fuselage to a proper length ;>
Old 04-13-2007, 06:09 PM
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Default RE: E-Motor Mount for Pletti Xtra Outrunner


ORIGINAL: Adamg-RCU

Our lives would be so much easier if plane designers built the fuselage to a proper length ;>

OR if the motors used anything remotely resembling a "standard" as far as mounting....jeez.

Try to design a plane to accept everything....sometimes the best solution isn't what everyone else is doing. But I do love the look of carbon, and cool supports and stuff...I just hate building it, especially when the motor is likely to be swapped out and replaced with 15 different types.

Torque on these things sucks. It scares the bejesus out of me every time I see a massive outrunner mounted only by the nose of the plane. Seen way too many fail. Seen em fail with tons of carbon and supports too.

There just has to be a better standard than mounting to a nose....

-M
Old 04-13-2007, 08:42 PM
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Default RE: E-Motor Mount for Pletti Xtra Outrunner

Who said mounting to the firewall was a good idea? I'm just saying that if this fuselage would be have been made 6" longer, the result would be a much lighter and simpler airplane.
Old 04-14-2007, 04:42 AM
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Default RE: E-Motor Mount for Pletti Xtra Outrunner

Hello to all.
I thought always too much over the motor mount. It give so many variants. The most important is that it holds and I can say to myself its OK.

Hello Eddie:
your ventilation is ineffectively at least for the engine or esc. I white not however which you would like to cool . Your modified cooling is good for a Hacker but not for the Pletti. Think about it. Look at the photo of the Evolution. I have only cut my spinner. It is the not beauty but effectiv.
Here are two photos from the motor mount for my Synergy. (Copy by Chad) I think It is perfect for the pletti in my Synergy. This is the only way to build a motor mount for Outrunners like Pletti or Axi ...., with a Backplate mount in a Fuselage. I think the problem for most builders is to build a motor mount that is light and good. But who said this is good or not.
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Old 04-14-2007, 10:16 AM
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Default RE: E-Motor Mount for Pletti Xtra Outrunner


ORIGINAL: Adamg-RCU

Who said mounting to the firewall was a good idea? I'm just saying that if this fuselage would be have been made 6" longer, the result would be a much lighter and simpler airplane.
That is true....very true.

Mounting to the firewall works well, but the firewall has to be a solid brick wall. It works but best solution? Well, the best solution is.....who really knows yet, since there's nothing even close to standard about any of it. Hence why there 1001 different ways to mount it, and one that has a higher than normal risk of seperating the nose from the rest of the plane. I hate it when that happens...

-M
Old 04-14-2007, 11:15 AM
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Default RE: E-Motor Mount for Pletti Xtra Outrunner

ORIGINAL: MHester

That is true....very true.

Mounting to the firewall works well, but the firewall has to be a solid brick wall. It works but best solution? Well, the best solution is.....who really knows yet, since there's nothing even close to standard about any of it. Hence why there 1001 different ways to mount it, and one that has a higher than normal risk of seperating the nose from the rest of the plane. I hate it when that happens...

-M
Since we are discussing this, there was only 1 person that I know of that had any long term (full season) success nose mounting an outrunner without any back support. Now his plane began to structurally fail but he caught it before it tore the nose off. I think nose mounting will work only if you have a back support and only if you are using a full fuselage setup. Not a fuse with a composite nose grafted onto the front. Not enough strength with that set up. Like some others have posted, it seems there are really only 2 options: bolt motor directly to a firewall or use a mount with standoffs like the Esprit (Cambria) type mount. Mike alluded to the power and torque these motors have. Everyone who has seen one run for the first time is amazed at the power and can see why they would twist the nose right off a plane. Big outrunner + weak mounting = broken plane.

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