The never ending engine thread, East-West - Page 606 - RCCanada - Canada Radio Controlled Hobby Forum
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Old 01-13-2014, 08:32 PM   #6051
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Re: The never ending engine thread, East-West


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Originally Posted by super08 View Post
So why do 3W and ZDZ use so many twin spark engines? Is it because of the high rate of ignition failures?
Its nice to have a second ignition if one quits. On full size aircraft engines when checking mags for operation there is a large rpm loss when running on one. I would have to say with quality engines like 3w and zdz its for performance
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Old 01-13-2014, 09:17 PM   #6052
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Re: The never ending engine thread, East-West

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Originally Posted by bhughes View Post
Slow day I'm only 2 pages behind
Uuuuuuuuuuuuuuuuuuuuuuuuummmmmmmmmmmmmm

You R from out west afterall!

2 hours = 2 pages!
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Old 01-13-2014, 11:11 PM   #6053
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Re: The never ending engine thread, East-West

I have a question for you engine gurus. What is your preferred method of breaking in new engines. I recently acquired a da85 with a airplane purchase and figure a proper break in would be a good idea.
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Old 01-14-2014, 12:29 AM   #6054
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Re: The never ending engine thread, East-West

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I have a question for you engine gurus. What is your preferred method of breaking in new engines. I recently acquired a da85 with a airplane purchase and figure a proper break in would be a good idea.
Bolt it to the firewall, start & fly!

Is the 85 new or already been running on that plane?

If new 3 - 5 gal of 32:1 Dino Ashless oil then swich to Amsoil 80:1.
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Old 01-14-2014, 12:31 AM   #6055
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Re: The never ending engine thread, East-West

Great Engine.

I loved mine right up to the point I planted it 9" into a sod farm!

Easily swing a 28x10 after breakin!
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Old 01-14-2014, 07:18 AM   #6056
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Re: The never ending engine thread, East-West

This will be a great topic for Dale, LOL

My prefered method is to run it on synthetic from day one, tune it as best possible and beat the living tar out of it. Except for a Mintor60, I've never had an issue with an engine regardless of origin, LOL

Dale.... interested to hear your thoughts
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Old 01-14-2014, 07:28 AM   #6057
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Re: The never ending engine thread, East-West

I start with synthetic and carry on. You will have to tweek the needles over time.

Dale enjoys the breakin event. His engines normally run great.
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Old 01-14-2014, 07:43 AM   #6058
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Re: The never ending engine thread, East-West

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I start with synthetic and carry on. You will have to tweek the needles over time.

Dale enjoys the breakin event. His engines normally run great.
Yes... I listened to Dale when I recently ran Scott's MVVS58... let it idle / low rpms for 10oz of fuel. Was like watching paint dry though
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Old 01-14-2014, 07:51 AM   #6059
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Re: The never ending engine thread, East-West

I don't have much spare time so if it running it is flying. I don't run an engine excessive long at WOT for the first few tanks.
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Old 01-14-2014, 08:13 AM   #6060
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Re: The never ending engine thread, East-West

Most important:
Add oil to the crankcase before starting. Stand on it's nose to get oil to the front of the crankcase. Then run first tank of fuel at 30:1. Run the excess oil out by running. Then you know the front bearing has never run in a poor lubricated state. Tune the needles to run best, not excessive rich. Run the first 10 Litres at 32:1, with oil of choice. Like Jeff, watch your heat cycles. Not long high heat cycles in the beginning. Getting progressively longer.
Or, as a part of my hobby, I like to run them in on a stand, watching the heat cycles. until it gets to the point of needing to be leaned on the low needle, say the 8-10L mark.
Hope this helps.
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