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Don't forget about the Old Baffle .61's

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Old 04-18-2010, 10:24 AM
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Default Don't forget about the Old Baffle .61's

I bought a GP Big Stick 40 on *bay for cheap and powered it with an old HB .61 baffle piston engine that I had on the shelf. While the newer .55-61 ABC/ABL engines make more power than these older engines the Baffle piston .61 size engines work very well in “New Age” 40 size models.

This old HB will pull this big stick straight up and is stone ax reliable, sips fuel and is truely a flip-n-fly engine.

They can be had for very little money on the "Auction Site" and still run very well even though they are “older technology”...

If you need a new .46 size engine for your new model consider one of these larger "Senior Citizens" you won’t be sorry you did.


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Old 04-18-2010, 10:42 AM
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Default RE: Don't forget about the Old Baffle .61's

It is a shame that they are no longer made. The HB is the lightest .15 engine I've ever had...
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Old 04-18-2010, 11:06 AM
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Default RE: Don't forget about the Old Baffle .61's

I have two HB .15s, an HB .25, and an HB .61. I love them all, although I need the front housing (crash damage) for both of the .15s. I guess the .61 is a Dykes ring design, and it has very little compression when turned over by hand, but runs really well. Mecoa has the rights to HB now and has many parts.

I also have a K&B .35 RC, several K&B .40s both old and newer design and a K&B .61. I like them as well. light, and powerful enough.

Richard

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Old 04-18-2010, 07:06 PM
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Default RE: Don't forget about the Old Baffle .61's

I have a few of the larger old baffled piston engines. Enya 60 IIIB (the latest one), Merco 61, Merco 49 (x2), Moki M5 and my son has an OS H80. All run beautifully. I've also got a modern ABC rear exhaust engine that uses a baffled piston but that's a specialised CL stunt engine. These older engines generally are much lighter than the latest Schneurle wiz bangs .
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Old 04-18-2010, 07:10 PM
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Default RE: Don't forget about the Old Baffle .61's

I flew an Enya .60 TVIII for ages on a .40 size SIG Komander, it was a fine match for the aircraft. I totally agree with the premise.

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Old 04-19-2010, 02:31 AM
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Default RE: Don't forget about the Old Baffle .61's


Quote:
ORIGINAL: MJD

I flew an Enya .60 TVIII for ages on a .40 size SIG Komander, it was a fine match for the aircraft. I totally agree with the premise.

MJD


Yeah, but the Sig Kommander was designed back when the Enya .60 TVIII was still a relatively new design, so you are actually over powering your Kommander. New folks may not understand the difference as the Kommander was designed for an engine similar to a baffle piston Webra, OS or K&B .40. Yes, I am picking nits. What else is an old man to do? (smile)


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Old 04-19-2010, 08:18 AM
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Default RE: Don't forget about the Old Baffle .61's

I confess it was done with the full intention of overpowering it in mind, with what resources I had in hand at the time. Can't recall exactly but I think this was circa '79 or '80 (OMG the power bug had bit already). But the main point was that there were no issues with balance or wing loading, fitting an older school .60 to a .40-.45 airframe, and really it wasn't overpowered, just "perky".. . Yeah, that aircraft would be overpowered by the same definition with a modern .46-.55 small block. It was fun. That was the last aircraft on which I ever used aileron bellcranks, blech. They should be labelled "slop magnifiers".

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Old 04-19-2010, 08:24 AM
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Default RE: Don't forget about the Old Baffle .61's

Ijust love the old baffle ported engines. Ijust picked up 3 (oops) K&B 40s.
Imeant to get only one but it just kinda "happened".
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Old 04-19-2010, 09:17 AM
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Default RE: Don't forget about the Old Baffle .61's

I just got a Merco 61 in excellent condition with a FROOM Spinner (remember those) It has the carb lever coupled to a center pivoted plate over the exhaust port. The port closes as the carb is closed. Early K&B had that arrangement with a plate pivoted horizontally in the exhaust stack. When you later had to fit a muffler, the holes for the restrictor pivot shaft were plugged. No bolt on provision was there for the muffler so a clamp around the cylinder was used. I have several early K&B .40 that I run with a Semco flow through clamp on muffler.
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Old 04-19-2010, 09:35 AM
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Default RE: Don't forget about the Old Baffle .61's


Quote:
ORIGINAL: jeffie8696

I just love the old baffle ported engines. I just picked up 3 (oops) K&B 40s.
I meant to get only one but it just kinda ''happened''. [img][/img]

This is a far too common affliction.. $$$ [sm=red_smile.gif]

Hence my expanded engine collection and empty bank account.
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Old 04-19-2010, 10:02 AM
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Default RE: Don't forget about the Old Baffle .61's

Brings up a question. How many engines DO you have? I am not a collector and I probably have at least 75 model engines.

Note: This information will be kept confidential and not released to your spouses.
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Old 04-19-2010, 10:36 AM
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Default RE: Don't forget about the Old Baffle .61's

My spouse has seen my collection , loves me anyway. What a woman. My new son is quite happy about it.

I dont want to inventory, I am too scared to know the number I will come up with . I am guessing 30 ,,,,,,or more.
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Old 04-19-2010, 11:15 AM
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Default RE: Don't forget about the Old Baffle .61's


Quote:
ORIGINAL: spaceworm
How many engines DO you have? I am not a collector and I probably have at least 75 model engines.

Speaking of it just kinda happening... I lost count when I got past 100 a few years ago. [X(]

Back to the O.P. ... I too had an HB .61 sitting on the shelf. Tossed it on a .40 size profile...this old HB will pull this big profile straight up and is stone ax reliable, sips fuel and is truly a flip-n-fly engine.

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Old 04-19-2010, 02:37 PM
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Default RE: Don't forget about the Old Baffle .61's


Quote:
ORIGINAL: spaceworm

Brings up a question. How many engines DO you have? I am not a collector and I probably have at least 75 model engines.

Note: This information will be kept confidential and not released to your spouses.
Well, I don't collect either, except for a few oddities. But I would say I have about that number; I should count up and confess. I have a drawer full of half-A's, plus what else. Fear not, there are folks that would make either of us look lame in comparison.

My wife barely dares to enter my shop, for the most part I am safe. Gotta hide the receipts though, and never buy with debit from the family checking account. Oh, and always get the mail so you can grab the credit card statements first. Just some helpful hints. A marker and tags to write the new "sale" price on kits is also very handy, and has served me well in the past. And she doesn't know how to access my Paypal account, or really understand what Paypal is.

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Old 04-19-2010, 04:10 PM
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Default RE: Don't forget about the Old Baffle .61's


Quote:
ORIGINAL: MJD


And she doesn't know how to access my Paypal account, or really understand what Paypal is.

MJD
So that's how you do it... All that "Kit Money" gets stashed...
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Old 04-19-2010, 05:11 PM
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Default RE: Don't forget about the Old Baffle .61's

Hey Spaceman, here is my collection of Mercos, the little one with the "castorated" head, (how do you like that word) is a .30. The two gray ones that are supposed to be black are .40s, the larger black one is a .50 of the later version, the two silver ones are .61 one older one just before the last version. The one in the back is an ignition .61. I had a black .61 but a friend talked me into selling it to him. I lack a .61 Diesel though. Maybe some day.

PS, the .61 ignition engine is an ABC engine with a flat topped piston all others are baffled.
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Old 04-19-2010, 05:22 PM
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Default RE: Don't forget about the Old Baffle .61's

I really like my HB 61's. They work great on the new .40's and the older 60 sized planes. The PDP versions are even more fun. I really like my Lee Custom 61's in this role.

turbo
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Old 04-19-2010, 06:58 PM
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Default RE: Don't forget about the Old Baffle .61's

the HB 61 PDP will pull 10 pounds with a 13x4 at 13,000 RPMs


""It is a shame that they are no longer made""

check-out the link,,
http://www.mecoa.com/hb/index.htm

Jim
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Old 04-19-2010, 09:12 PM
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Default RE: Don't forget about the Old Baffle .61's

I have a few HB .61 PDP engines accumulated. Glad I bought them a while back. The price is climbing a bit in various venues. It is good to be able to get parts for such an old engine design from RJL/MECOA.


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Old 04-20-2010, 05:42 AM
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Default RE: Don't forget about the Old Baffle .61's

My trol for marine engines has netted me a couple of Webra .60's with baffled pistons.

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Old 04-20-2010, 08:00 AM
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Default RE: Don't forget about the Old Baffle .61's

Woah! What a beautifuly polished combustion chamber![X(]
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Old 04-20-2010, 12:57 PM
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Default RE: Don't forget about the Old Baffle .61's

Thanks Patipt,

Just wish I knew why the pics turned out so BIG!
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Old 04-20-2010, 01:06 PM
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Default RE: Don't forget about the Old Baffle .61's

Camera was set for max resolution. You can reduce them for emailing if you wish.
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Old 04-20-2010, 01:30 PM
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Default RE: Don't forget about the Old Baffle .61's

RCU does this sometimes to photos, doesn't make thumbnails.[&:]

You guys got me hooked on getting a baffled HB .61
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Old 04-20-2010, 01:45 PM
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Default RE: Don't forget about the Old Baffle .61's

Most flyers that have them want to keep them, me included. But, MECOA has new ones for sale, I think. Good luck.

Here is the MECOA link for HB. Check also their other parts and engines and trade in offerings.

https://shop.mecoa.com/shopdisplayproducts.asp?id=51
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