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Saturday 7/7/18

2018-07-07, 21:07 by Gary M Jones

I was at the field today between 14:00 & 15:00 all on my own , good flying too. There is a dead sheep along the fence line towards the gate from the pits, I saw the farmer so reported this to her. I hope no one had plans for a BBQ Smile .

Farmer …

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Which oils? Empty Which oils?

Post by Andy Sayle on 2010-05-09, 19:26

Evening all.

I was just wondering if there are any particular types of 2 stroke oils that are recommended for running in, and subsequently normal operation of, a dle55 petrol engine? I need to buy some fairly soon you see.

Also, what sort of mix ratios are the best to go for?

Cheers
Andy

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Post by Brian Colclough on 2010-05-09, 19:42

Andy I use Stihl 2 stroke oil as I use the same mix for my models as my strimmer and chain saws. My ZDZ's like 40:1 mix which gives a better seal on the rear disc valve which is peculiar to the ZDZ . Most guys running DA's and DL's ron 50:1 mix. I run my motors in on the same stuff I use normally but some run their engines in on a non-synthetic ashless oil for a couple of gallons saying that this speeds up the running in process ? You'll get as many opinions as people you ask, it's much like the Futaba or JR/Spektrum question it'll rumble on forever Wink

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Post by Sam Thomas on 2010-05-09, 19:47

I have no idea....
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Post by PDQ on 2010-05-09, 20:24

Roto recommended Motul 710 synthetic for my roto 25 in 2007

Motul changed that to 800 2T Factory Line Off Road
100% Synthetic

They say
"Maximum power and protection
800 2T Off Road was developed for the leading factory teams to ensure maximum engine performance. Formulated using anti-emulsification agents to prevent throttle valve jamming. Pre-mix lubrication only."
Stocked at Jonesies Motorcycles Kinmel bay just near the railway bridge opposite to road to Asda
50/1 mix grade 95 unleaded.

Just a comment here, PAW always recommend increasing oil to fuel ratio particularly with smaller engines. Simply because there is more sliding surfaces in contact per cc in a small engine (model) compared with full size (motorcycle)


Last edited by PDQ on 2010-05-09, 20:29; edited 1 time in total (Reason for editing : added paw comment)
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Post by Marty on 2010-05-10, 04:24

Speaking from the motor bike side, IMHO, which ever type you start with you should stick with.
I wrecked a bike engine for the sake of a few quid when I put in some oil that was a different type (but had loads spare!).
BTW, I don't know the mechanics of the engine you're talking about but full synthetic can produce clutch slip in some brands of motor bike with wet clutches, Shocked
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Post by Andy Sayle on 2010-05-10, 10:37

Love your honesty Sam, that's made me chuckle!

Cheers for the input too guys, much appreciated. I've been doing a bit of reading, including the DA50 manual (which is excellent!). Apparently it makes sense to run a semi-synthetic oil at 30:1 ish for the first couple of gallons, and a prop that allows the engine to rev freely (so slightly less diameter), so that the piston rings bed in nicely. After that, switch to a synthetic oil, at a mix ratio of about 50:1.

Methinks a trip down to Woods in Abergele on the way home is called for Smile

Cheers
Andy

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Post by melfyn on 2010-05-10, 11:49

Methinks a trip down to Woods in Abergele on the way home is called for
Suspect Watch out for the tree huggers!
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Post by Mr Moff on 2010-05-10, 14:58

I've tried a few different ones but these are for zenoah g260's and CY's but I've settled on using Rock oil semi synth from king cobra.
Valvolene is another good one but I preffer rock.
Mixture is normally 25:1 but I've always used 33:1 which translates to 150ml oil to 5 litres fuel.
I always use v power for 99 octane,well worth the extra few pennies.

Danny.
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Post by Guest on 2010-05-10, 16:08

melfyn wrote:
Methinks a trip down to Woods in Abergele on the way home is called for
Suspect Watch out for the tree huggers!


thats funny Mel

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