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Old Jun 07, 2012, 07:56 AM
Novice in training
JoshB's Avatar
United States, NC, Statesville
Joined Aug 2011
708 Posts
Quote:
Originally Posted by kmihalkov View Post
Hi Josh

this cooling port is because of ESC.
I mounted the ESC inside.
In tail part of fuselage I made 2 little output ports for the out air
I think I miss lead u on the question. I meant what material did u use to make the cooling port. I have seen medicine bottles cut in half and spoons but nothing like urs. I like the look of that. Haven't got mine together yet so these mods are going to give me some ideas to go on.
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Old Jun 07, 2012, 08:32 AM
ancora imparo
jj604's Avatar
Melbourne, Australia
Joined Jul 2005
6,611 Posts
It's not ideal since most plugs require some force to get in and out if they are to be capable of carrying the current. The PowerPole fans claim their solution is better but I don't use them.

FWIW, I don't use an arming switch in the power line at all any more. I have a kill switch on one plane that grounds the signal wire to the ESC and and with that particular ESC it will not arm under any circumstances.

I also have fitted a kill switch to two of my transmitters which when closed forces the throttle channel to LOW (1mS pulse width).

Many Tx allow you to set up a mix operated by a switch that will achieve the same result but this is my preferred solution since it is independent of Rx, ESC and model memory. And you can see it at a glance without any confusion as to which switch it is.

Details here.

http://www.rcgroups.com/forums/showthread.php?t=1640080

John

Quote:
Originally Posted by kmihalkov View Post
Hi John

do you have new better solution
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Old Jun 07, 2012, 01:54 PM
Registered User
United States, NY, Victor
Joined Apr 2005
126 Posts
Quote:
Originally Posted by road_rascal View Post
Since I lost my dedicated Sky Surfer night flyer last weekend (don't ask...) I ordered another kit from Ready Made RC. Placed the order Sunday night and it got to my house today (Wednesday). It's the V1 kit and this time the decals are on a separate sheet (yay!). This will be my 4th Sky Surfer (have 2 that are flyable) that I've built. Now I'm just waiting on the LED lights, servos (Hobbypartz), and motor (inrunner from HeadsUpRC).
Hey, I just ordered a ARF and a fuselage from RMRC yesterday, myself. I added in a APC 6x4E pusher prop, but it is out of stock so they are holding up my whole order. I wrote and asked if they would send me the plane anyhow and I'll wait for the prop and pay extra shipping.

Speaking of night flying, I also ordered 2 lighting systems from a Hong Kong seller on eBay. It's a great price and lots of lights to bling up your plane. Here's a link if you're interested:

http://www.ebay.com/itm/RC-Plane-Hel...88779363434629

If the auction is over, just search for "RC Plane Helicopter Simulated 8 LED lighting kit" by seller rchobby2011.
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Old Jun 07, 2012, 06:17 PM
Why so serious?
2500GENE's Avatar
United States, FL, Cape Coral
Joined Dec 2007
5,972 Posts
Quote:
Originally Posted by cassb View Post
Hey, I just ordered a ARF and a fuselage from RMRC yesterday, myself. I added in a APC 6x4E pusher prop, but it is out of stock so they are holding up my whole order. I wrote and asked if they would send me the plane anyhow and I'll wait for the prop and pay extra shipping.

Speaking of night flying, I also ordered 2 lighting systems from a Hong Kong seller on eBay. It's a great price and lots of lights to bling up your plane. Here's a link if you're interested:

http://www.ebay.com/itm/RC-Plane-Hel...88779363434629

If the auction is over, just search for "RC Plane Helicopter Simulated 8 LED lighting kit" by seller rchobby2011.
You don't need to use a pusher prop. The normal APC 6x4 is the same thing only a mirror image. You just run the motor the other way.
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Old Jun 07, 2012, 07:42 PM
Argue for your limitations
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Lincoln, CA
Joined Oct 2006
8,422 Posts
Quote:
Originally Posted by Prof100 View Post
WOW, what a superb build and fine craftsmanship. I think your approach will get a link in the front of the thread. (Right AJ?)

Make sure you Check the CG because that's a lot of extra weight on the tail.
Definitely agree. Done.
AJ
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Old Jun 07, 2012, 07:57 PM
Argue for your limitations
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Lincoln, CA
Joined Oct 2006
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Originally Posted by 2500GENE View Post
You don't need to use a pusher prop. The normal APC 6x4 is the same thing only a mirror image. You just run the motor the other way.
+1. The only advantage to using an "EP" is that the normal rotation of the prop (CCW when viewed from the back) has a tendency to tighten the retaining nut. Personally, I have never had a problem with using an "E" prop.
AJ
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Old Jun 07, 2012, 09:28 PM
ICrashRCs
United States, TN, Memphis
Joined Jun 2011
1,196 Posts
Your use of the word normal is confusing.
CCW from the rear is normal for a pusher prop.
Normal to all of us is CW from the rear with a regular prop.

I say this only to help the newer folks keep it straight.

Pusher props are a holdover from earlier days of gas engines.
They couldn't reverse rotation direction like we can today by just switching any 2wires.
Pusher props are almost never needed today except for special applications.

Hope that's a bit helpful (and accurate)?
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Last edited by IFlyRCs; Jun 07, 2012 at 09:38 PM.
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Old Jun 07, 2012, 09:31 PM
Argue for your limitations
ajbaker's Avatar
Lincoln, CA
Joined Oct 2006
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Quote:
Originally Posted by IFlyRCs View Post
Your use of the word normal is confusing.
CCW from the rear is normal for a pusher prop.
Normal to all of us is CW from the rear with a regular prop.
Change "normal rotation of the prop" to " normal rotation of the EP prop". I think it was clear before. But, I hope that helps.
AJ
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Old Jun 08, 2012, 03:12 AM
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Lincoln, CA
Joined Oct 2006
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Pushers are still popular and useful

Quote:
Originally Posted by IFlyRCs View Post
Pusher props are almost never needed today except for special applications.

Hope that's a bit helpful (and accurate)?
Not exactly accurate. I would not call a twin engine/motor airplane a special application since there are so many kit, ARF, RTF, and scratch builds available.. A reverse pitch prop (aka pusher) is useful to cancel out any rotational torque when using two motors. Then, the normal ~1-3 degree (single) motor offset (tractor configuration) is no longer necessary compensate for torque. FWIW, Rudder control - When I fly a single motor plane with throttle on, and the plane is inverted, right it still right and left is still left. With a twin motor airplane, with one of the motors having a pusher prop - right is left and left is right. Interesting stuff.
AJ
P.S. Since this came up, I have a question for anyone who knows - Which engine is usually designated for the pusher prop?
P.S.S. Since I am off topic on these last few posts, I will not post anymore on the subject. It is unlikely that anyone is interested anyhow.
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Last edited by ajbaker; Jun 08, 2012 at 03:24 AM. Reason: Add pic
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Old Jun 08, 2012, 07:24 AM
Registered User
Joined Mar 2011
310 Posts
Hello All,

I know that we already talked about this, but I don't find were.
By my calculations, my Bixler is a big FAT lady, the total with everything for FPV is 4,40 Lbs.
Is there anyone in here with something similar?

Geotete
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Old Jun 08, 2012, 07:30 AM
ancora imparo
jj604's Avatar
Melbourne, Australia
Joined Jul 2005
6,611 Posts
Anyone else get message from HK announcing the Bixler 2?

It appears to be be on Twitter but I aint.
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Old Jun 08, 2012, 08:11 AM
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Eagle202's Avatar
United States, FL, Clearwater
Joined Aug 2011
1,602 Posts
Quote:
Originally Posted by ajbaker View Post
Not exactly accurate. I would not call a twin engine/motor airplane a special application since there are so many kit, ARF, RTF, and scratch builds available.. A reverse pitch prop (aka pusher) is useful to cancel out any rotational torque when using two motors. Then, the normal ~1-3 degree (single) motor offset (tractor configuration) is no longer necessary compensate for torque. FWIW, Rudder control - When I fly a single motor plane with throttle on, and the plane is inverted, right it still right and left is still left. With a twin motor airplane, with one of the motors having a pusher prop - right is left and left is right. Interesting stuff.
AJ
P.S. Since this came up, I have a question for anyone who knows - Which engine is usually designated for the pusher prop?
P.S.S. Since I am off topic on these last few posts, I will not post anymore on the subject. It is unlikely that anyone is interested anyhow.
Since I would like to know the answer to your P.S. question I will hazard a guess that a gas or nitro engine use pusher props. What is the answer AJ?
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Old Jun 08, 2012, 08:14 AM
Argue for your limitations
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Lincoln, CA
Joined Oct 2006
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Quote:
Originally Posted by geotete View Post
Hello All,

I know that we already talked about this, but I don't find were.
By my calculations, my Bixler is a big FAT lady, the total with everything for FPV is 4,40 Lbs.
Is there anyone in here with something similar?

Geotete
And it FLIES??? Video please.
AJ
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Old Jun 08, 2012, 08:17 AM
Argue for your limitations
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Lincoln, CA
Joined Oct 2006
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rephrase

Quote:
Originally Posted by Eagle202 View Post
Since I would like to know the answer to your P.S. question I will hazard a guess that a gas or nitro engine use pusher props. What is the answer AJ?
Part One - I apologize. I did not mean to mislead you. It is NOT a loaded question (that would be unfair and rude IMO). I just asked to see if anyone knew the answer because I don't.
Part deux - To clarify- I am looking for a port or starboard motor as an answer.
AJ
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Old Jun 08, 2012, 09:20 AM
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Joined Mar 2011
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Quote:
Originally Posted by ajbaker View Post
And it FLIES??? Video please.
AJ
Still in the bench, so that's why I was asking.

Geotete
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