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With 88 rear wheel horsepower in a sub-300lb package, this example is arguably the quickest and best handling old-school 750cc TT1 in North America.
I built this TT1 using period components as a relatively faithful replica of the TT1s that ran in the AMA BOTT GP class back in the day. The only deviation being the modern (90s) calipers and pumps, ignition coils and the non standard crankcase breather box in the seat. However, it differs from most TT1 replicas in that it was built to be a fast and reliable track bike. Over the years I’ve found that the only TT1 frame that seems to work well with modern 17” wheels & slicks is the final series Verlicchi large diameter, thin wall. Back in the day, Reno Leoni had DM Frames make a copy of the Verlicchi and DM has since modified the jig to allow for the use of a big block motor. The DM version was checked digitally last year against the Verlicchi and they are geometrically identical, however the DM is 12mm longer between the upper cross brace and the steering head. I countered this somewhat with the offset on my triple clamps, but the small difference in trail gives the DM a bit more stability with a very small decrease in agility.
The whole thing is held together with over $900 in titanium and aluminum fasteners. Every bearing and seal in the motor and on the machine is new. The bike is a highly-developed example of an old-school TT1 – works brilliantly on the track and handles better than any TT1 I’ve ridden. The bike and motor were built with care and a high level of attention to detail over an 18 month period. It was broken in correctly on the dyno and then saw six horsepower/tuning pulls and roughly 4.5 hours of track time. I’ve run the bike at Calabogie and Mosport – and came away delighted with the performance and handling on both occasions.
The specs are:
DM TT1 Frame
Marvic 3-spoke magnesium wheels with floating 280mm Brembo rotors front and 260mm rear
Brembo P3034 calipers with authentic Brembo racing caliper adapters
Brembo 996 series pumps
Authentic TT1 Brembo rear master
Marzocchi M1R forks substantially modified by Lindeman engineering back in the day (they work like no M1R I’ve ever experienced)
Authentic TT1 Marzocchi 195mm triple clamps
TZ replica throttle
Scitsu tacho
851 clip-ons (Verlicchi)
Authentic NCR electrics plate
Bosch ignition (rewired pick-ups) with Dyna 3 ohm coils
Custom-built Stadium shock (rebound plus Hi & Lo speed compression adjustment)
750 F1 aluminum swing arm
Leoncinni TT1 Replica floating rear brake caliper mount
Leoncinni TT1 Replica rear sets
Old Racing Spares endurance tank and TT1 seat with custom, integrated breather box
Bimota DB1R fender & mount
Romanelli TT1 fairing
loudbike open NCR replica exhaust
loudbike 85db Weber exhaust
750 Sport-based bottom end built by Gary Palmer
800SS rods
Lightened clutch basket, clutch housing, primaries and flywheel
JPrecision heads with new valves, guides & seats and NCR #7 cams with STM adjustable pulleys
Modified F1B pistons (12.5:1 compression)
Mikuni TM Pro-series 41mm flat slides
Mikuni vacuum fuel pump
Modified Old Racing Spares cam end covers
Oil cooler with Starlite hoses, Earls fittings and top-end lubrication via cam end cover feed
Magnesium rocker covers
Dyno-tuned to 88hp, 56ftlbs torque
The fiberglass fairing is a period piece, so there are some minor surface cracks already starting to show. As well, there is some minor paint blistering (two quarter sized areas) from heat off the 95bd exhaust.
You can see the dyno runs at www.youtube.com/watch?v=h6lMRYyqrz4&feature=share&...
www.youtube.com/watch?v=-mt_-oKAIMs&feature=share&...
You can read about the progress of the build on my blog at:
loudbike.blogs.com/loud_bike/2013/07/back-in-the-saddle.html
loudbike.blogs.com/loud_bike/2012/09/4th-annual-ducati-tt...
loudbike.blogs.com/loud_bike/2012/05/ducati-750-tt1-and-b...
loudbike.blogs.com/loud_bike/2011/12/winter-2011-loudbike...
Lieutenant General Halbauer hosted several high positioned guests at Rena, Norway, Sept. 22, 2014. Among the very international invitees: ambassadors, generals, local mayors, and the Norwegian Secretary of State of the Department of Defense, mr BØ.
The distinguished visitors were informed about Exercise Noble Justification, the certification of HQ 1 GE/NL corps as Land Component Command NRF 2015, and about the multinational Immediate Response Forces brigade that is still in the field.
The guests were even able to take a look at an actual operation that was executed. At Rena Airfield a Tactical Air Landing Operation was visible: a C130 Hercules rapidly picked up infantry of the NLD 11th Brigade.
A U.S. Air Force F-16 Fighting Falcon from Spangdahlem Air Base, Germany, releases after receiving fuel from a KC-135 Stratotanker assigned to RAF Mildenhall, England, during the NATO-led exercise Noble Justification Oct. 21, 2014, hosted by Istres Air Base, France. The exercise demonstrates the possession of a rapid reaction capability within NATO, and highlights the interoperability of allied forces and the commitment of their nations. (U.S. Air Force photo/Senior Airman Victoria H. Taylor/Released)
10/23/2014 - U.S. Air Force Maj. Tai Moultrie-Korn, 100th Air Refueling Wing pilot from Colleyville, Texas, lands a KC-135 Stratotanker during NATO-led exercise Noble Justification Oct. 21, 2014, hosted by Istres Air Base, France. The exercise demonstrates the possession of a rapid reaction capability within NATO, and highlights the interoperability of allied forces and the commitment of their nations. (U.S. Air Force photo/Senior Airman Victoria H. Taylor/Released)
10/23/2014 - U.S. Air Force Maj. Tai Moultrie-Korn, 100th Air Refueling Wing pilot from Colleyville, Texas, lands a KC-135 Stratotanker during the NATO-led exercise Noble Justification Oct. 21, 2014, hosted by Istres Air Base, France. The exercise demonstrates the possession of a rapid reaction capability within NATO, and highlights the interoperability of allied forces and the commitment of their nations. (U.S. Air Force photo/Senior Airman Victoria H. Taylor/Released)
10/23/2014 - A U.S. Air Force F-16 Fighting Falcon from Spangdahlem Air Base, Germany, prepares to take on fuel from a KC-135 Stratotanker assigned to RAF Mildenhall, England, during the NATO-led exercise Noble Justification Oct. 21, 2014, hosted by Istres Air Base, France. The exercise involves more than 13,000 service members and takes place across Europe and the Mediterranean. NATO regularly exercises to maintain readiness and to provide the early establishment of NATO military presence. (U.S. Air Force photo/Senior Airman Victoria H. Taylor/Released)
10/23/2014 - U.S. Air Force Capt. Christopher Mantle, 100th Air Refueling Wing pilot from San Antonio, pilots a KC-135 Stratotanker assigned to RAF Mildenhall, England, during the NATO-led exercise Noble Justification Oct. 21, 2014, hosted by Istres Air Base, France. The exercise involves more than 13,000 service members and takes place across Europe and the Mediterranean. (U.S. Air Force photo/Senior Airman Victoria H. Taylor/Released)
10/23/2014 - A Turkish air force F-16 Fighting Falcon receives fuel from a KC-135 Stratotanker assigned to RAF Mildenhall, England, during the NATO-led exercise Noble Justification Oct. 21, 2014, hosted by Istres Air Base, France. NATO regularly exercises to maintain readiness and to provide the early establishment of NATO military presence. (U.S. Air Force photo/Senior Airman Victoria H. Taylor/Released)
10/23/2014 - U.S. Air Force Senior Airman Michael Robinson, 100th Air Refueling Wing boom operator from Cartersville, Ga., prepares to refuel aircraft during the NATO-led exercise Noble Justification Oct. 21, 2014, hosted by Istres Air Base, France. The exercise involves more than 13,000 service members and takes place across Europe and the Mediterranean. (U.S. Air Force photo/Senior Airman Victoria H. Taylor/Released)
10/23/2014 - A Turkish air force F-16 Fighting Falcon prepares to take fuel from a KC-135 Stratotanker assigned to RAF Mildenhall, England, during the NATO-led exercise Noble Justification Oct. 21, 2014, hosted by Istres Air Base, France. The exercise involves more than 13,000 service members and takes place across Europe and the Mediterranean. (U.S. Air Force photo/Senior Airman Victoria H. Taylor/Released)
10/23/2014 - A U.S. Air Force F-16 Fighting Falcon from Spangdahlem Air Base, Germany, prepares to take fuel from a KC-135 Stratotanker assigned to RAF Mildenhall, England, after receiving fuel during the NATO-led exercise Noble Justification Oct. 21, 2014, hosted by Istres Air Base, France. The exercise involves more than 13,000 service members and takes place across Europe and the Mediterranean. NATO regularly exercises to maintain readiness and to provide the early establishment of NATO military presence. (U.S. Air Force photo/Senior Airman Victoria H. Taylor/Released)
Electronics Hobby
Building a new components-cabinet.
Hacker (hobbyist)
In home computing, a hacker is someone who modifies software or hardware of their own private computer system. It includes building, rebuilding, modifying, and creating software (software cracking, demoscene), electronic hardware (hardware hacking, overclocking, modding), either to make it better, faster, to give it added features or to make it do something it was not originally intended to do. Hacking in this sense originated around hobbyist circles discussing the MITS Altair at the homebrew computer club.
Hacker artists[edit]
See also: Fractal art, algorithmic art and interactive art
Hacker artists create art by hacking on technology as an artistic medium. This has extended the definition of the term and what it means to be a hacker. Such artists may work with graphics, computer hardware, sculpture, music and other audio, animation, video, software, simulations, mathematics, reactive sensory systems, text, poetry, literature, or any combination thereof.
Dartmouth College musician Larry Polansky states: "Technology and art are inextricably related. Many musicians, video artists, graphic artists, and even poets who work with technology—whether designing it or using it—consider themselves to be part of the 'hacker community.' Computer artists, like non-art hackers, often find themselves on society’s fringes, developing strange, innovative uses of existing technology. There is an empathetic relationship between those, for example, who design experimental music software and hackers who write communications freeware." [3]
Another description is offered by Jenny Marketou: "Hacker artists operate as culture hackers who manipulate existing techno-semiotic structures towards a different end, to get inside cultural systems on the net and make them do things they were never intended to do." [4]
A successful software and hardware hacker artist is Mark Lottor (mkl), who has created the 3-D light art projects entitled the Cubatron, and the Big Round Cubatron. This art is made using custom computer technology, with specially designed circuit boards and programming for microprocessor chips to manipulate the LED lights.
Don Hopkins is a software hacker artist well known for his artistic cellular automata. This art, created by a cellular automata computer program, generates objects which randomly bump into each other and in turn create more objects and designs, similar to a lava lamp, except that the parts change color and form through interaction. Says Hopkins, "Cellular automata are simple rules that are applied to a grid of cells, or the pixel values of an image. The same rule is applied to every cell, to determine its next state, based on the previous state of that cell and its neighboring cells. There are many interesting cellular automata rules, and they all look very different, with amazing animated dynamic effects. 'Life' is a widely known cellular automata rule, but many other lesser known rules are much more interesting."
Some hacker artists create art by writing computer code, and others, by developing hardware. Some create with existing software tools such as Adobe Photoshop or GIMP.
The creative process of hacker artists can be more abstract than artists using non-technological media. For example, mathematicians have produced visually stunning graphic presentations of fractals, which hackers have further enhanced, often producing detailed and intricate graphics and animations from simple mathematical formulas.
en.wikipedia.org/wiki/Hacker_(hobbyist)
Infographics of the Security Components from the 2017-2018 Information Digest, NUREG 1350, Volume 29.
Published in August 2017.
For more information go to: www.nrc.gov/reading-rm/doc-collections/nuregs/staff/sr1350/
Visit the Nuclear Regulatory Commission's website at www.nrc.gov/.
To comment on this photo go to public-blog.nrc-gateway.gov/2012/04/01/nrc-moves-its-publ....
Photo Usage Guidelines: www.flickr.com/people/nrcgov/
Privacy Policy: www.nrc.gov/site-help/privacy.html.
For additional information contact OPA Resource.
Composants électroniques (focus stacking).
Image composée de 22 photos prises avec la bonnette Raynox DCR-250 et assemblées avec Zerene Stacker.
With 88 rear wheel horsepower in a sub-300lb package, this example is arguably the quickest and best handling old-school 750cc TT1 in North America.
I built this TT1 using period components as a relatively faithful replica of the TT1s that ran in the AMA BOTT GP class back in the day. The only deviation being the modern (90s) calipers and pumps, ignition coils and the non standard crankcase breather box in the seat. However, it differs from most TT1 replicas in that it was built to be a fast and reliable track bike. Over the years I’ve found that the only TT1 frame that seems to work well with modern 17” wheels & slicks is the final series Verlicchi large diameter, thin wall. Back in the day, Reno Leoni had DM Frames make a copy of the Verlicchi and DM has since modified the jig to allow for the use of a big block motor. The DM version was checked digitally last year against the Verlicchi and they are geometrically identical, however the DM is 12mm longer between the upper cross brace and the steering head. I countered this somewhat with the offset on my triple clamps, but the small difference in trail gives the DM a bit more stability with a very small decrease in agility.
The whole thing is held together with over $900 in titanium and aluminum fasteners. Every bearing and seal in the motor and on the machine is new. The bike is a highly-developed example of an old-school TT1 – works brilliantly on the track and handles better than any TT1 I’ve ridden. The bike and motor were built with care and a high level of attention to detail over an 18 month period. It was broken in correctly on the dyno and then saw six horsepower/tuning pulls and roughly 4.5 hours of track time. I’ve run the bike at Calabogie and Mosport – and came away delighted with the performance and handling on both occasions.
The specs are:
DM TT1 Frame
Marvic 3-spoke magnesium wheels with floating 280mm Brembo rotors front and 260mm rear
Brembo P3034 calipers with authentic Brembo racing caliper adapters
Brembo 996 series pumps
Authentic TT1 Brembo rear master
Marzocchi M1R forks substantially modified by Lindeman engineering back in the day (they work like no M1R I’ve ever experienced)
Authentic TT1 Marzocchi 195mm triple clamps
TZ replica throttle
Scitsu tacho
851 clip-ons (Verlicchi)
Authentic NCR electrics plate
Bosch ignition (rewired pick-ups) with Dyna 3 ohm coils
Custom-built Stadium shock (rebound plus Hi & Lo speed compression adjustment)
750 F1 aluminum swing arm
Leoncinni TT1 Replica floating rear brake caliper mount
Leoncinni TT1 Replica rear sets
Old Racing Spares endurance tank and TT1 seat with custom, integrated breather box
Bimota DB1R fender & mount
Romanelli TT1 fairing
loudbike open NCR replica exhaust
loudbike 85db Weber exhaust
750 Sport-based bottom end built by Gary Palmer
800SS rods
Lightened clutch basket, clutch housing, primaries and flywheel
JPrecision heads with new valves, guides & seats and NCR #7 cams with STM adjustable pulleys
Modified F1B pistons (12.5:1 compression)
Mikuni TM Pro-series 41mm flat slides
Mikuni vacuum fuel pump
Modified Old Racing Spares cam end covers
Oil cooler with Starlite hoses, Earls fittings and top-end lubrication via cam end cover feed
Magnesium rocker covers
Dyno-tuned to 88hp, 56ftlbs torque
The fiberglass fairing is a period piece, so there are some minor surface cracks already starting to show. As well, there is some minor paint blistering (two quarter sized areas) from heat off the 95bd exhaust.
You can see the dyno runs at www.youtube.com/watch?v=h6lMRYyqrz4&feature=share&...
www.youtube.com/watch?v=-mt_-oKAIMs&feature=share&...
You can read about the progress of the build on my blog at:
loudbike.blogs.com/loud_bike/2013/07/back-in-the-saddle.html
loudbike.blogs.com/loud_bike/2012/09/4th-annual-ducati-tt...
loudbike.blogs.com/loud_bike/2012/05/ducati-750-tt1-and-b...
loudbike.blogs.com/loud_bike/2011/12/winter-2011-loudbike...
For those of you who are interested in the 'bits', here are a selection of the key parts.
Not a complete rundown by covers the main mechanicals and load-bearing structures.
Car is 'drivable' with rear engine/transaxle, front tub and front drive assembly module.
Engine is an eight cylinder in 'W' format. That is two Vee-fours with their crankshafts gearedto a cenntral drive shaft.
Front and rear suspension are both by swing axles and sprung by torsion bars. The front suspension module plus straing into the front of the stressed tub and is completely self contained for load paths. The rear suspension feefs the loadparths into the engine assembly.
Not on the engine module the heat exchangers mounted in front of the rear wheels as well as behing the rear suspension module. The real Veyron has 13 heat exchangers in all. The detailing on the top of the engine asembly replicates the intake system and air-air intercoolers for the charge air.
One of the included images has the entire vehicle assembly arrayed.
Please feel free to ask any questions or request further techincal information regarding the model.
Ingredient for a simple target board: Perfboard, socket, 6-pin DIP header, optional battery box.
Photo taken to accompany short article on working with AVR microcontrollers, and making minimalist target boards for programming them.
DIY sealed lead acid battery pack components for speedlites.
For the full write-up, visit:
janchristianphoto.com/blog/2010/05/diy-sla-battery-pack-f...
iss072e403385 (Dec. 24, 2024) --- NASA astronaut and Expedition 72 Commander Suni Williams checks research components inside the Kibo laboratory module's Advanced Plant Habitat aboard the International Space Station.
A 34year old Audiophile Amplifier Needing Parts Replacement : Nikon D3X, Micro Nikkor 55mm f/3.5 Auto type F, ring light / back light
+ yes, my 34yr old amp is needing upgrades :). Almost all electrolytic capacitors are leaking and the trimmer resistors are becoming unreliable. Power switching capacitors are also showing signs of cracking. I also want to change the potentiometer to dual type. Even with all of these issues, the amp still sounds great. With all the upgrades, now the sound is more refined and I thought it already was, before the parts were failing. :)
+ the original amp was using ALPS potentiometer as well but these are 30+ yrs old :), so it really needs to be upgraded.
+ all cameras are tethered via Phase One 8
+ all electronic parts are purchased via RS components
For those of you who are interested in the 'bits', here are a selection of the key parts.
Not a complete rundown by covers the main mechanicals and load-bearing structures.
Car is 'drivable' with rear engine/transaxle, front tub and front drive assembly module.
Engine is an eight cylinder in 'W' format. That is two Vee-fours with their crankshafts gearedto a cenntral drive shaft.
Front and rear suspension are both by swing axles and sprung by torsion bars. The front suspension module plus straing into the front of the stressed tub and is completely self contained for load paths. The rear suspension feefs the loadparths into the engine assembly.
Not on the engine module the heat exchangers mounted in front of the rear wheels as well as behing the rear suspension module. The real Veyron has 13 heat exchangers in all. The detailing on the top of the engine asembly replicates the intake system and air-air intercoolers for the charge air.
One of the included images has the entire vehicle assembly arrayed.
Please feel free to ask any questions or request further techincal information regarding the model.
The CIS Battalion provides reliable Communication Information System-services to several units of Headquarters 1 (GE/NL) Corps during Exercise Noble Justification. A Rapid CIS Element (RACE) is assigned to the Immediate Response Force Brigade in Evermoen, Norway. A second RACE supports the Exercise Command in Wildflecken and a third RACE provides controlled internet for several units at Wildflecken training area. When 2 CIS coy is not deployed for an exercise, it is located in Garderen, the Netherlands. 1 (GE/NL) Corps’ CIS Battalion is deployed with 8 RACE’s and 410 soldiers to Wildfecken and Norway for Noble Justification. Picture with courtesy of CISBn
Pro-Railing is a range of handrailing components designed with simplicity of use in mind. This handrail and stainless steel balustrade system consists of over 1000 components, allowing for the quick installation of complex and attractive stainless steel railings and balustrade systems; simply cut then glue or screw to create a clean and contemporary look, giving you professional results every time. It is available in stainless 304 for internal installations and stainless 316 for exterior handrails or balustrades, and comes either in a brushed steel or mirror polished finish.
To view Pro-Railing products please visit:
Electron beam powder-bed AM, also known as electron beam melting (EBM), is conducted in a powder bed inside a vacuum chamber. A powder feed system deposits an even layer 100 microns deep. An electron gun then heats the powder according to the component’s design, melting a single layer at a time. The beam is moved across the powder bed by magnetic deflection coils. The powder bed moves down, a new layer of powder is distributed and then the next layer is fused.
For more information please visit www.twiadditivemanufacturing.com/capabilities/metal-proce...
If you wish to use this image each use should be accompanied by the credit line and notice, "Courtesy of TWI Ltd".
CBP components, Office of Field Operations, Office of Border Patrol and Office of Air and Marine compete in an Honor Guard Competition during the annual commemoration of Police Week in Washington D.C. Photos by James Tourtellotte.
Finished soldering the component side of bushing's new twlfpga board to a mostly-virgin DSi. I'm trying a new "hot glue reflow" technique for making the wiring job sturdy yet serviceable :)
CBP components, Office of Field Operations, Office of Border Patrol and Office of Air and Marine compete in an Honor Guard Competition during the annual commemoration of Police Week in Washington D.C. Photos by James Tourtellotte.