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Classic Wings Magazine Luftwaffe Resource Center WWII Naval Aviation Research Pacific


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 Post subject: 1340 V Twin build
PostPosted: Wed Oct 24, 2012 4:04 pm 
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Renamed the thread. Seems to be some interest in this exercise in possible insanity so I'll keep adding pics if that's ok with the Powers That Be?

Here's a link to his FB page that shows some more of his engineering expertise.

https://www.facebook.com/allen.millyard

He said that if he'd had 3 1340 cylinders he would have built a W-3 instead of a V-twin 8)

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Last edited by ZRX61 on Thu Nov 01, 2012 3:27 pm, edited 4 times in total.

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 Post subject: Re: R2800 question.
PostPosted: Sun Oct 28, 2012 6:25 pm 
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Kinda glad no one answered this..as I've just seen the cylinders in question & they are 1340, not 2800...

So.. does anyone know the max piston/bore clearance for a 1340?

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 Post subject: Re: R2800 question.
PostPosted: Mon Oct 29, 2012 7:14 am 
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deleted.


Last edited by robkamm on Mon Oct 29, 2012 10:37 am, edited 1 time in total.

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 Post subject: Re: R2800 question.
PostPosted: Mon Oct 29, 2012 8:09 am 
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Check the ovehaul manual, 'My boss told me' won't carry a lot of water if something goes sideways and you have the pleasure of a 'discussion' about your procedures with the guys in the blue blazers, much beter if you can hold up the pertinant page and say 'I did it per this manual reference'.

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 Post subject: Re: R2800 question.
PostPosted: Tue Oct 30, 2012 1:53 pm 
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Don't have a manual handy.. & in this case the FAA won't be involved in any way. There are only 2 cylinders in question & the guy is building a V-Twin motorcycle engine with them... He's machining his own rods, crank, cams etc.
He's pretty handy, he built a bike with a Viper engine in it a couple of years back (Dodge, not Armstrong-Siddeley)

Image

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The few who possess real knowledge and can set it into motion of their own hands are the rarest of all.


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 Post subject: Re: R2800 question.
PostPosted: Tue Oct 30, 2012 2:20 pm 
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Cool! Rumor has it that a mechanic @ Precision Airmotive on KPAE built a bike engine using two R-985 jugs a few years ago, never saw it but the story persists.
His project actually looks more real world practical than the four wheeled monstrosity that DODGE built a few years ago, something that would make a guy riding a BOSS HOSS pull in for a coke even if it does sound like a UPS delivery truck :lol: :lol: :lol: :lol:

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 Post subject: Re: R2800 question.
PostPosted: Tue Oct 30, 2012 2:48 pm 
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Zane,

Looks like piston to cylinder clearance for the Wasp H-1 is .020-.024 "loose fit" with a replace or next oversize at .030. For the Hornet E, it is .018-.022 "loose fit" with replace or next oversize at .028, e-mail me I will scan the page from the overhaul manual for you.

mike muraski at sbc global dot net

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 Post subject: Re: R2800 question.
PostPosted: Wed Oct 31, 2012 12:20 pm 
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He started on the rods today....

Image

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 Post subject: Re: R2800 question.
PostPosted: Wed Oct 31, 2012 2:00 pm 
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Look up the Gunbus 410....uses two ASh-82? cylinders....about 410 cu in.


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 Post subject: Re: R2800 question.
PostPosted: Wed Oct 31, 2012 6:18 pm 
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neat. please keep posting on the project of his build if you can. i love seeing this stuff.


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 Post subject: Re: R2800 question.
PostPosted: Thu Nov 01, 2012 3:18 pm 
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Note the bike in the upper left of the pic...

Image

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The few who possess real knowledge and can set it into motion of their own hands are the rarest of all.


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 Post subject: Re: 1340 V Twin build
PostPosted: Thu Nov 01, 2012 3:29 pm 
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....and some of you old timers thought your NORTON 850 COMMANDO single had a 'thump' :shock: geek

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 Post subject: Re: 1340 V Twin build
PostPosted: Thu Nov 01, 2012 6:33 pm 
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awesome


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 Post subject: Re: 1340 V Twin build
PostPosted: Thu Nov 01, 2012 6:55 pm 
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I can't wait to see this engine run! This is really neat.

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 Post subject: Re: 1340 V Twin build
PostPosted: Thu Nov 01, 2012 8:33 pm 
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Don't forget the Merlin motorcycle... :roll:
http://www.google.com/imgres?imgurl=htt ... &dur=10016


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