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Post by Bruce on Jul 28, 2008 17:48:24 GMT 12
Would certainly make that little champ go... (bit nose heavy perhaps ) Quite a good haul of bits there Al!
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Post by philip on Jul 28, 2008 17:59:20 GMT 12
Yeah, might be better in the Mitsy. You look as happy as a pig in poo
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Post by Radialicious on Jul 28, 2008 18:35:15 GMT 12
Bruce, the photo doesn't show the half of it! That apple crate is full of all sorts of goodies - both airframe and engine. The donation to friends of the Bristol is quite staggering and many of the parts already have a home to go to on ZK-CPT. I have a full set of cowls for the engine which are in great condition. Philip, SAFE Air's Lester Hope said exactly the same thing this afternoon when he saw me and my engine. I'm looking forward to the day that I can make a start on her. It will be a lot of fun. There are two reasons I can think of for her to be pulled off the wing. One is that she failed in service for what ever reason and the other is she simply timed out. Hopefully it is the latter. I've yet to pull her filters for a heads up. To me that is a bit like opening your school cert results in that there might be reason(s) to worry about what's inside. That takes me back to my shool cert - the hardest 5 years of my life! The aft cowl support and exhaust tails Sorting out the exhaust segments and branches that connect to the exhaust tails. Spare Guzzlebox. Twin throat Hobson injector carb. Each butterfly is a good six inches across.
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Post by stu on Jul 28, 2008 21:01:49 GMT 12
The ultimate Meccano set for big boys
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Post by Radialicious on Jul 28, 2008 21:24:40 GMT 12
The accessory gearbox is driven from the engine via a driveshaft. Normally it would drive a generator, vacuum pump and compressor. I can get a vacuum pump if I want one but there is very little point, in my mind, to suck air when I can do it quite well by myself. Found in amongst all the gold today was an accessory mounting face.
To give this project some purpose, I have decided to allocate this mounting to an external appliance yet to be determined. In the same manner that a tractor has a power take-off, my wee Hercules will also. The first thing to enter my mind was a coffee grinder.
My challenge to forum members is to advise me of the most ridiculous attachment that can be driven by 2050hp. I want a carbon footprint as big as Otago. Tony Wytenburg suggested a Dremel bit might be reasonably ridiculous. Another suggestion was one of those clever devices used to wind up rubber band powered model aircraft. Can opener, shoe buffer, cell phone charger etc etc......
What say you?
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Post by stu on Jul 28, 2008 21:38:47 GMT 12
My challenge to forum members is to advise me of the most ridiculous attachment that can be driven by 2050hp. I want a carbon footprint as big as Otago. Tony Wytenburg suggested a Dremel bit might be reasonably ridiculous. Another suggestion was one of those clever devices used to wind up rubber band powered model aircraft. Can opener, shoe buffer, cell phone charger etc etc...... What say you? How about an electric toothbrush? Or perhaps - with the carbon footprint in mind - in a fantastic display of contradiction, you could attach a generator and use it to charge up one of those little electric cars that the greenies are convinced will save the planet. ;D
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Post by philip on Jul 28, 2008 21:51:29 GMT 12
Or a propeller blowing a wind generator.......
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Post by Bruce on Jul 28, 2008 21:56:43 GMT 12
Flexible drive to a small cooling fan? - a bubble machine might be quite fun as well. Pump for a water feature Blender for making smoothies (vegetable of course) record player Lava Lamp
On a family camping trip once I saw my Uncle fire up a large 2 stroke generator to plug his electric shaver into - we hassled him heaps about a 2 stroke razor. Just think what a Hercules powered one would do....
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Post by Peter Lewis on Jul 28, 2008 22:56:34 GMT 12
Maybe it could run a pencil sharpener?
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Post by Radialicious on Jul 28, 2008 23:11:47 GMT 12
Hilarious! Keep 'em coming!
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Post by Bruce on Jul 28, 2008 23:34:02 GMT 12
What about a Klaxon siren - like the air raid type?
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Post by Dave Homewood on Jul 28, 2008 23:45:17 GMT 12
Al, that's a really great collection of bits. I hope you can find a nice warm shed to restore it all in when you get down south. I very much enjoyed your comparison of looking at the filters with opening School Cert results. :-)
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Post by Radialicious on Jul 28, 2008 23:48:18 GMT 12
I saw hot rodder/dragster driver Don Garlits on telly years ago with a 350 Chev powered air raid siren. I think it was on Top Gear. It was suggested that they try and fire it up in his garage. They rigged up a small fuel tank and a battery. Sure enough it worked and what a noise!
It reminds me of the fog removal experiment that the yanks tried in the 50's. It was a large number of noise generators powered by Allison V-12's positioned all around an air base. The idea was that the noise would vibrate the fog such that the mist would coalesce into droplets of rain thus removing the fog. Apparently the noise made many of the personnel on the base nauseous and had very little effect on the fog. Worth a try though.
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Post by corsair67 on Jul 29, 2008 15:40:01 GMT 12
Hercules-powered stubbie opener?
The perfect gift for the man who has everything! ;D
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Post by shorty on Jul 29, 2008 15:53:44 GMT 12
Or for the women .............nah, lets not go there
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Post by corsair67 on Jul 29, 2008 16:17:32 GMT 12
Or for the women .............nah, lets not go there What: a Hercules-powered iron/washing machine/vacuum cleaner? ;D
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Post by sleemanj on Jul 29, 2008 19:14:59 GMT 12
This is your opportunity to really do something for humanity. Across the third world countries people sit in near useless lighting produced by dangerous naked flames, candles, lamps etc, one of the most important things we as developed peoples can do it provide safe useful and environmentally friendly sources of light for these people.
I propose a Hercules powered LED.
Imagine, the third world free of the tyranny of the dark, the living area of each house equipped with it's own long life LED, the gentle hum of a village full of Bristol Hercules each powering thier own LED.
You'd get to utter those immortal words when you flick the switch "and let there be light", of course, you'll have to shout quite loud I expect.
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Post by Radialicious on Aug 5, 2008 19:42:43 GMT 12
Hmmm, an LED powered by a Noise Emitting Device........ I bought a couple of cans of PB Blaster today and let it rip on my 'new' engine to see what it could do. PB Blaster is apparently the schizz when it comes to freeing up stuff that is stuck. It is an American product and its label is very American - proclaiming this that and everything. It even says that it is a magnetic fluid attracted to metal. My Hercules doesn't have any exhausts fitted at present and as a result the surfaces of the sleeves are clearly visible in the exhaust ports. Some of the exhaust ports are open because that is where the engine stopped. PB was able to be sprayed against the inlet ports at the rear of the cylinder. It was quite impressive to watch it finding the smallest of gaps and penetrating immediately. With the engine in the 'installed' attitude, some of the exhaust ports were upwards facing with the other on the same cylinder downwards. It was heartening to spray PB in one port and watch it leak out of the next one within a few seconds. I emptied a can into all the holes I could find in the 14 cylinders and left her to soak whilst I get back into ZK-CPT. I'll look forward to getting this stuff into her exhausts ASAP and seeing what it will do. A job that needs doing at some point is manufacturing a turning tool that I can attach to the crankshaft to see when and if my engine starts to free up. www.pbblaster.com
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Post by Radialicious on Aug 12, 2008 21:25:12 GMT 12
I had a rather flukey score yesterday. I was scrounging around the airfield looking for some hoses and fittings to plumb into the external oil system on sticky-engine. By chance I caught up with the guys from Marlborough Helicopters. They didn't have much in the way of the hoses and fittings that I was after but had an old chainsaw engine powered oil rig. It is ideal for an oil prime rig and I am in the process of modifying it to suit a Bristol Hercules. The rig is primarily a hydraulic one that was to be used to power Marl Helicopters underslung equipment during maintenance instead of having to run the Jet Ranger. However it was never able to provide the pressure that is needed. With a bigger tank it should easily provide the 100-ish psi that I need to relubricate the stubborn donk. In the future will provide a quick and easy means to hot oil prime the engines after a period of inactivity. Thanks Marlborough Helicopters! The next step is to build or bodge-up a regulator and or relief valve to control the flow and pressure. I reckon I have got as much oil into the engine as I can externally and a high pressure blizzard of oil from the internal spray jets will be the ticket. Each crankweb has two nozzles fitted. One is a cooling jet aimed at the underside of the pistons and the other is a gusher that reacts to high pressure to go nuts and lubricate everything in sight. The problem I have had until now is that the oil prime inlet to the engine is on the inlet side of the oil pump. With the engine so reluctant to move, so is the pump. The flow of oil is proportional to engine rpm. The oil pump discharges into a cavity in the rear casing of the engine. From here a large gallery feeds the internals and an external circuit lubricates other areas including the reduction gearbox etc. Wayne Tantrum suggested drilling a gallery into the engine downstream of the pump so that it can be bypassed. I soon realised that by reverse pumping oil into the external circuit, it will also flow into the main internal circuit and achieve the same outcome. As the inner portions of the sleeves drop well into the crankcase at the bottom of their travel they should soon be oiled up by the internal jets.
That's the theory anyway! Fingers crossed.......
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Post by Radialicious on Aug 20, 2008 22:37:45 GMT 12
Project Bristol is still ticking away albeit with some serious reluctance from Sticky Motor. She is really digging her heels in as I battle to bring her back to life. I have spent a few days making up tooling to isolate the two pressure oil systems. The outlet from the oil pump feeds into a main internal gallery and also an external circuit that incorporates a number of services. My Husky powered rig will dump 20 litres of oil somewhere into the engine inside of 10-15 seconds. After a scavenging those 20 litres back from the sump, I'd pump it back in again with very little result at the coal face - the sticky prop.... Over the last few days, I have made some tooling that will allow me to concentrate on either the internal or external system. I suspect the internal system is where I need to concentrate. In saying that, the external system feeds the sleeve cranks and their ball joint fittings. Splash lube from these areas might be a benefit. However I still place my hope in the crankweb spray jets that will go nuts and oil everything in sight when I can isolate them by disabling the feed to the external circuit.
Who knows? As I say she is really digging her heels in at the moment. However, she is only an engine. She can be fixed!
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