Author |
Message |
Topic: Mystery motor. Impossible to identify |
mhamer
Replies: 0
Views: 733
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Forum: Recip Engines 1920=> Posted: Wed Nov 01, 2023 12:00 Subject: Mystery motor. Impossible to identify |
Please see technical discussion for pictures and info |
Topic: Mystery motor. Impossible to identify |
mhamer
Replies: 1
Views: 837
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Forum: Technical Discussion Posted: Wed Nov 01, 2023 10:20 Subject: Mystery motor. Impossible to identify |
Trying to identify this motor.. probably 1920s
Dual distributors 4 carbs. 8cyl.
It has been mounted on a lower unit for potential marine use as a race boat engine but was never finished.
Proba ... |
Topic: R-2800 Mounting Bolts |
mhamer
Replies: 9
Views: 4655
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Forum: Pratt & Whitney Engines Posted: Fri Jan 08, 2021 14:14 Subject: R-2800 Mounting Bolts |
Hi, Thanks. I can move it around that way. It’s a 99w from Nash Kelvinator
1954.
I polished the deflectors or (coil brackets) they are usually painted black. I still have a lot to do. Setting ... |
Topic: R-2800 Mounting Bolts |
mhamer
Replies: 9
Views: 4655
|
Forum: Pratt & Whitney Engines Posted: Mon Dec 07, 2020 08:31 Subject: R-2800 Mounting Bolts |
I did install fenders now. Those pictures were taken just after I hung the engine. So many little things to do. I have a platform that slides in the frame to work on the top of the engine. Easier ... |
Topic: R-2800 Mounting Bolts |
mhamer
Replies: 9
Views: 4655
|
Forum: Pratt & Whitney Engines Posted: Sun Aug 09, 2020 17:13 Subject: R-2800 Mounting Bolts |
Thanks, it’s hung. There was no undo stress on the frame as I drilled the holes using the mount as guide to locate the holes, the bolts slid right in.
Drove around and no cracks anywhere,
[ur ... |
Topic: R-2800 Water Injection Regulator |
mhamer
Replies: 4
Views: 4942
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Forum: Pratt & Whitney Engines Posted: Thu Jul 23, 2020 15:27 Subject: R-2800 Water Injection Regulator |
Hi, there used to be lots more traffic here. I am mounting my motor on a truck, so I don’t need to be too picky about airworthiness stuff... I will start the engine within a year. I need to set ... |
Topic: R-2800 Water Injection Regulator |
mhamer
Replies: 4
Views: 4942
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Forum: Pratt & Whitney Engines Posted: Tue Jul 21, 2020 21:37 Subject: R-2800 Water Injection Regulator |
Any luck? I have a CB16 that has the water injection unit. I will not use it but it needs to be installed for fuel to get to the fuel feed valve... |
Topic: R-2800 Mounting Bolts |
mhamer
Replies: 9
Views: 4655
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Forum: Pratt & Whitney Engines Posted: Sun Jul 19, 2020 07:55 Subject: R-2800 Mounting Bolts |
Thanks. It’s impressive what a small bolt can handle. Most loads on it will be static, so no hard landing will stress it excessively. Once driven around I will support the motor also from the prop ... |
Topic: Mounting Bolts strength. |
mhamer
Replies: 0
Views: 2318
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Forum: Technical Discussion Posted: Tue Jun 09, 2020 20:20 Subject: Mounting Bolts strength. |
Hi All,
What size bolts do you use to mount a R2800 engine for a static display. My 2800 will be fully cantilevered / suspended by the engine mount. The CV 440 engine mount has only four 1/2in dia ... |
Topic: HS 43E60 propeller on my R-2800 set up recommendations |
mhamer
Replies: 8
Views: 6494
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Forum: Technical Discussion Posted: Wed Jun 03, 2020 16:22 Subject: Bolts |
Hi,
What size bolts do you use? My 2800 will be fully cantilevered/ suspended by the engine mount. My CV 440 engine mount has only 4 1/2in diameter bolts to bolt it to the frame... seems a bit small ... |
Topic: R-2800 Mounting Bolts |
mhamer
Replies: 9
Views: 4655
|
Forum: Pratt & Whitney Engines Posted: Wed Jun 03, 2020 16:05 Subject: R-2800 Mounting Bolts |
I am ready to mount my R-2800 to the frame. I use a Convair 440 engine mount that has 4 bolt holes. The holes are only 1/2in diameter. So I ll use 4
AN 8 bolts from airfasco. They are tested to req ... |
Topic: HS 43E60 propeller on my R-2800 set up recommendations |
mhamer
Replies: 8
Views: 6494
|
Forum: Technical Discussion Posted: Tue Apr 09, 2019 09:04 Subject: HS 43E60 propeller on my R-2800 set up recommendations |
You only look at oil temp? I plan on installing cht bayonette probes on each cylinder. You think it cools better without baffles? My r2800 is off a convair that used the exhaust gas flow to suck in ... |
Topic: HS 43E60 propeller on my R-2800 set up recommendations |
mhamer
Replies: 8
Views: 6494
|
Forum: Technical Discussion Posted: Sat Feb 16, 2019 20:58 Subject: HS 43E60 propeller on my R-2800 set up recommendations |
i understand the dangers. My goal is to make sure it's cooled appropriately.
but i thought it would also be nice to be able to exercise the propeller, that in itself is a nice piece of equipment.
... |
Topic: HS 43E60 propeller on my R-2800 set up recommendations |
mhamer
Replies: 8
Views: 6494
|
Forum: Technical Discussion Posted: Sat Feb 16, 2019 08:29 Subject: HS 43E60 propeller on my R-2800 set up recommendations |
Hi, Thanks for the info.
Shouldn't your functioning governor regulate the pitch as to not overev the engine ?
My blades will be aprox 6 ft each. so i wondered if by just installing the governor ( ... |
Topic: HS 43E60 propeller on my R-2800 set up recommendations |
mhamer
Replies: 8
Views: 6494
|
Forum: Technical Discussion Posted: Sun Feb 10, 2019 18:21 Subject: HS 43e60 propeller on my R2800 set up recommendations |
What is the best way to set up a prop on a running display.
Should it be locked and at what angle?
I prefer to have the governor on the engine and have the blades fully functional, to prevent ov ... |
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