first wen mac hot shots

chevyiron420 Tue Oct 24, 2017 3:06 pm

I have read that the first hot shot models were built using mk#3 crankcases by machining the deck surface down to accommodate the new cylinder. Does anyone have one, or a picture of one. I keep a look out on ebay but havent seen one there. I have even thought of faking one. I have a crankcase I could use.
Phil

Marleysky Tue Oct 24, 2017 8:33 pm

IDon't have a Mk#3. Have two marked Mk II. Compared back to back, then back to back to a Mark XII. Looks like you could mill off some material and tap the case to match the cylinder.

Marleysky Tue Oct 24, 2017 8:50 pm

Don't know if this link will work, but it can be found on the "old" yahoo group page.

https://xa.yimg.com/df/049Collectors/Wen-Mac.pps?token=gu26MSvJq9vQJ9DqUaN-ASeUeW2N3jEO9zvbot7rFQZ9lCQu8SUUcJ2I5iGFVYKzFkz6P9CJSWNo454huK_WPhxFx_KuZDcxfU8&type=download

chevyiron420 Tue Oct 24, 2017 9:08 pm

Marleysky, I have the same old models that you do. I am looking for the first model that used the modern cylinder. I read that you can see the remnants of the wen mac name milled half away.
Phil

Marleysky Tue Oct 24, 2017 9:47 pm

chevyiron420 wrote:Marleysky, I have the same old models that you do. I am looking for the first model that used the modern cylinder. I read that you can see the remnants of the wen mac name milled half away.
Phil

looks like you are looking for a example of "engine 19" from that reference guide.
Or, you can make your own?

chevyiron420 Tue Oct 24, 2017 10:56 pm

Yes sir, thats the one I am interested in. In all the years I have been using and tinkering with wen macs, I have never seen one. If I can come up with a crankcase I may make one. I have a friend who can do the triming and threading, if I can get him to do it.
Phil

roddie Wed Oct 25, 2017 12:08 pm

Here's a MkIII that Bob (rsv1cox) sent me recently. Also in the box were one each; MkV, MkVI, and MkVII and one without a "Mk" designation.

Mark Boesen Wed Oct 25, 2017 9:38 pm

https://groups.yahoo.com/neo/groups/049Collectors/files

This engine was used on the 'Flying Wing' series

crankbndr Wed Oct 25, 2017 9:59 pm

One that looks similar on eBay, no good shots of the engine though

https://www.ebay.com/itm/Rare-Wen-Mac-AMF-Thunder-Bird-RTF-Combat-Model-Airplane-with-Box/142547332589?hash=item21307baded:g:qQ0AAOSwLJ9Z7P1V

chevyiron420 Wed Oct 25, 2017 10:58 pm

Mark, I may have misunderstood. Are you saying the mark X pictured is the missing link engine? I thought they were made from surplus mk III cases.
Phil

roddie Thu Oct 26, 2017 3:42 am

Very confusing.. Here's another engine given to me by Bob, that I missed.. (as received; less the needle and prop..)

It doesn't have that "shaved-case" though.. Huh...

It appears to be a cross between the #19 and #20 engines.. but could also have parts that were swapped. Note the glow-head with "slots" as opposed to flats.. and AMF appearing "below" WENMAC on the L/H side of the case.

Mark Boesen Thu Oct 26, 2017 11:01 am

chevyiron420 wrote:Mark, I may have misunderstood. Are you saying the mark X pictured is the missing link engine? I thought they were made from surplus mk III cases.
Phil

oops, sorry, thought that photo was of the 'missing link' engine, it was late and never bothered to look close, it's actually a later version without the oxide coating on cylinder.

Kim Thu Oct 26, 2017 7:11 pm

I got this one with a silver Aracobra. Looks good externally, but the rod was broken at the crank pin.

P.M. me if you think you can use it.

Kim

chevyiron420 Thu Oct 26, 2017 7:44 pm

Kim PM sent
Phil

Oldenginerod Thu Oct 26, 2017 8:39 pm

chevyiron420 wrote:Kim PM sent
Phil

Does that mean I should have sent you three new pistons? lol!

Kim Fri Oct 27, 2017 6:57 am

Oldenginerod wrote:
chevyiron420 wrote:Kim PM sent
Phil
Does that mean I should have sent you three new pistons?

Hey, I'm good...Phil might be able to use them. Got to support the guys who bring the old Wen Macs back to life!!!

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