The never ending engine thread, East-West - Page 1591 - RCCanada - Canada Radio Controlled Hobby Forum
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Old 10-20-2014, 08:11 AM   #15901
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Re: The never ending engine thread, East-West


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Originally Posted by BansheeBoy View Post
To much pumping again. Lost another throttle servo. 3 in a year is concerning me. Yesterday a 5645 crapped out on the ground. What is everyone using for servos? Who is leaving the return spring on the carb?
I pump. No springs. Most savox 1251mg low profile. Couple setups have full size savox mg hv servos. All fast servos.
I think it's laterally vibs in long linkages that kills them. When metal linkage "guitar strings" then you get hundreds of cycles per pump! I used 2-56 all thread with cf sleeve.
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Old 10-20-2014, 08:24 AM   #15902
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Re: The never ending engine thread, East-West

Whatever you do Jeff, don't use Nyrods

LMAO!!

Both hands on the stick.....
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Old 10-20-2014, 08:31 AM   #15903
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Re: The never ending engine thread, East-West

I have been using 4-40 rod with ball links and plastic arms. Hoping the plastic would absorb some vibration. 3/4" arms to stay within the servo specs. Time to rethink it again.
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Old 10-20-2014, 08:32 AM   #15904
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Re: The never ending engine thread, East-West

Ohh no!! someone say plastic arm??!!!
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Old 10-20-2014, 08:36 AM   #15905
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Re: The never ending engine thread, East-West

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Originally Posted by cravenjw View Post
I pump. No springs. Most savox 1251mg low profile. Couple setups have full size savox mg hv servos. All fast servos.
I think it's laterally vibs in long linkages that kills them. When metal linkage "guitar strings" then you get hundreds of cycles per pump! I used 2-56 all thread with cf sleeve.
+1 I use 1251 on 50cc planes and 1273 on my 100cc and up planes
I use plastic arms and 2 ball links. I also make sure I don't get the servo too close to engine / exhaust heat
Have never had one fail
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Old 10-20-2014, 08:41 AM   #15906
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Re: The never ending engine thread, East-West

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No time to fly today! Making sure the Granny Pavement Runners have gasoline..
Wow... catching up and almost missed this one, LOL

Amen brotha. Best line in a long time - "Granny Pavement Runners"

Every time I go to Fort McMurray and Edmonton I can't get over all the brown cars, LOL. Last visit to FMM was in the Spring. Unreal. The richest Province in the country and you guys can't afford pavement??!!

At least Calgary has their act together!!
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Old 10-20-2014, 08:43 AM   #15907
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Re: The never ending engine thread, East-West

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I have been using 4-40 rod with ball links and plastic arms. Hoping the plastic would absorb some vibration. 3/4" arms to stay within the servo specs. Time to rethink it again.
I use metal arms. Dubro ball links.
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Old 10-20-2014, 08:56 AM   #15908
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Re: The never ending engine thread, East-West

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Wow... catching up and almost missed this one, LOL

Amen brotha. Best line in a long time - "Granny Pavement Runners"

Every time I go to Fort McMurray and Edmonton I can't get over all the brown cars, LOL. Last visit to FMM was in the Spring. Unreal. The richest Province in the country and you guys can't afford pavement??!!

At least Calgary has their act together!!
Lmao. It is called McMurray slurry. Did you happen to notice all the trucks with Amber lights on the roof? Mining environments. No oilsand found in Calgary. Just the top brass hang out there. The rest of the province gets the oil out of the ground. Knuckle draggers in the north. I bet you didnt see any Honda's with Amber lights or biggie whips.
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Old 10-20-2014, 09:08 AM   #15909
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Re: The never ending engine thread, East-West

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Originally Posted by bradleyban View Post
Ohh no!! someone say plastic arm??!!!
What is the issues with using plastic on a throttle servo?
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Old 10-20-2014, 09:20 AM   #15910
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Re: The never ending engine thread, East-West

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What is the issues with using plastic on a throttle servo?
I'm waiting for the reasoning on this one!

I like plastic. As long as the given throttle arm is rated at 300 oz/in.

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