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Post  getback on Sun Apr 19, 2015 2:29 pm

If it don't have AMA10 on the block does that mean its a 049 ? I have one of each ,but the AMA no no. needs a pis/cyl. set This engine is new with a broken rod / off the bay of coarse , pic of the cyl. inside wouldn't come out but it has never been ran . I am thinking this is what I need , a little help please , Thanks  http://www.nvengines.com/index.php?page=shop.product_details&flypage=flypage-ask.tpl&product_id=61&category_id=4&option=com_virtuemart&Itemid=65
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Post  Surfer_kris on Sun Apr 19, 2015 3:15 pm

If you measure the bore of the cylinder that you have, you will be able to tell which size it is, .049 or .061.
I think everything is interchangeable, but the stroke is slightly smaller on the .049 too.
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Post  getback on Mon Apr 20, 2015 8:04 am

Thanks Chris , My gage was in front of the TV just an't thinking lately , 49 Big Mig parts ORDERED !! Very Happy
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Post  gcb on Thu Apr 30, 2015 7:35 am

getback wrote:If it don't have AMA10 on the block does that mean its a 049 ? ...

I found with my first NRVEL engines that the size easily came off since it was just painted on.
I scratched the size on the case before it disappeared completely and took care to not disturb the others. The Revlite engines had the size stamped on the engine. They were making constant changes so there may be other iterations, but these are the versions I have.

George
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Post  NEW222 on Thu Apr 30, 2015 8:04 pm

Just going to throw this out there, but you say it says AMA 1o, could it possibly be 1.0, which in turn equates to the .061? Just guessing. Posting a picture of my new .061 here to compare numbers and such. This is a .061 Big Mig, which was sold to me as an AME .049.

[img]Norvel engine I.D. Norvel%20engine%202[/img]
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Post  pkrankow on Thu Apr 30, 2015 9:18 pm

NEW222 wrote:Just going to throw this out there, but you say it says AMA 1o, could it possibly be 1.0, which in turn equates to the .061?  Just guessing.  Posting a picture of my new .061 here to compare numbers and such.  This is a .061 Big Mig, which was sold to me as an AME .049.

Norvel engine I.D. <a href=Norvel engine I.D. Norvel%20engine%202" />

1cc is .061 so I would have to agree with you.

Phil
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Post  getback on Fri May 01, 2015 8:16 am

Well after 10 Days I was wondering where is my piston set ??? Couldn't track it so went to e mail and found were they had sent me this




Apr 20


Hello Eric,

Thank you for your order. Unfortunately, we didn't update our site to
display that Big Mig 049 piston set was out of stock.
We can ship you an AMD piston set, which is very similar (see picture).
So that's what's coming now Smile
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Post  RknRusty on Fri May 01, 2015 10:54 am

That'll work. You'll need to learn to fly a zillion miles an hour... Just kidding. Prop it with an APC 6x2, and it will still scream, but fly at a manageable speed. Buy about 5 of them from Omnimodels on eBay, they're cheaper with only a buck99 shipping. You have to bush the rear hole with fuel tube to fit the prop screw. Or a backwards 6x3 of some sort, just to see what it really will do. I think it sounds like a great combination. Hopefully it's NOS. The new Revlite Big Mig P/Cs of the NV Engines variety have been said to be kind if limp. Don't mention it to Andras Balogh lol.
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Post  balogh on Fri May 01, 2015 11:12 am

Rusty I am reading it and hope the NV engines you and other CEF members will buy will be a tad better than mine that was dead on arrival...

The fact the NV distributor is sending a different piston than what was ordered, without prior advice to the customer, already indicates there must be something going on (or rather, not going on) at NV
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Post  getback on Fri May 01, 2015 12:16 pm

balogh Is on to use Rusty lol! They did let me know or would have had it by now and I OK'ed it here is a pic they sent also   Norvel engine I.D. 049set10  Makes me wonder if the engine I got from e-bay that appears to bee new accept for the broken rod was one like balogh got ?  Norvel engine I.D. Norvel10 I cant find the broken rod pic Eric
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Post  roddie on Fri May 01, 2015 12:51 pm

Here's my .049.. recently acquired as a gift from a DEAR friend in a far away land! It has a tank like George's .049.

You may already know this Eric.. but there was an accompanying note; "This has a tapered tight-fit piston.. Don't be tempted to turn it over until warmed-up, or you intend to start it."

I have to wonder if this is how your broken rod came to be? The PO may have tried to force it through compression not knowing?

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Post  getback on Tue May 05, 2015 7:26 am

Its here and Looks Good !! Norvel engine I.D. Amd_0010 Norvel engine I.D. Amd_0011 Cinco de Mayo Very Happy
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Post  balogh on Tue May 05, 2015 11:25 am

I wish yours is hand fitted well. Mine looked the same nice and crispy and turned out to be sh....tty when I checked the compression.
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Post  Surfer_kris on Tue May 05, 2015 1:56 pm

These are pre-revlite cylinders and definitely made before the NV era, so it should be fine in terms of fit. They can be tight but they will not leak.
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Post  oldguy on Mon Dec 21, 2015 3:36 pm

gcb wrote:
getback wrote:If it don't have AMA10 on the block does that mean its a 049 ? ...

I found with my first NRVEL engines that the size easily came off since it was just painted on.
I scratched the size on the case before it disappeared completely and took care to not disturb the others. The Revlite engines had the size stamped on the engine. They were making constant changes so there may be other iterations, but these are the versions I have.

George
Norvel engine I.D. P4060414
Norvel engine I.D. P4060415
Norvel engine I.D. 100_0013

I have a .061 AP Wasp, it looks just like the one you have pictured.It use to run pretty good until i nose dived it in and bent the crank.Anyone know where to buy a crank for this?
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Post  1/2A Nut on Mon Dec 21, 2015 5:57 pm

I have used the AP Wasp with a Profi tuned pipe it did ok on the first day out:



Published on Jun 28, 2015

Skorch Flying - AP .061 - Profi 1/2A Tuned Pipe
Best pass noted so far 24,793 rpm on the pipe APC 4.5x4 / 94mph
Tuned pipe length set for 25k unloaded (9.8in) from center of the convergent cone to the piston face.
5ch plane 11.8oz less fuel.
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