Hey it’s the direct download link for The Pedalshift Project 361: The Science of Cycling.

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The Science of Cycling

Programming notes

• Best of next week
• Spring tour preview the week after, followed by the tour journal!
• The march to the ten year anniversary of the show commences… Live show to celebrate things June 8th, time TBA, but mark it down now. It will be podcasted the following week but always down for some live banter. 

The Physics of Cycling

1. Rolling Resistance

• Definition: Explain rolling resistance as the force that opposes the motion when an object (like a bicycle tire) rolls on a surface.
• Factors Affecting Rolling Resistance:
  • Tire Type and Pressure: Soft tires or low pressure increases resistance.
  • Surface Type: Rough surfaces like gravel increase resistance compared to smooth surfaces like pavement.
• Real-World Example: Compare how it feels to ride a bike on a sandy beach versus a smooth bike path.

2. Air Resistance (Drag)

• Definition: Air resistance is the force air exerts against a moving object.
• Factors Affecting Air Resistance:
  • Speed: The faster you go, the more air resistance you face.
  • Rider’s Position and Shape: Explain how being more streamlined (like bending low on the bike) reduces air resistance.
• Practical Tip: Demonstrate with hands outstretched vs. hands close to the body while riding to feel the difference.

3. Energy and Power

• Energy Definition: The ability to do work, like pedaling a bike.
• Power Definition: How quickly you can use energy (pedal) to move.
• Conversion of Energy: Discuss how food energy converts into mechanical energy to pedal.
• Measurement: Mention that power can be measured in watts, like how bright a light bulb is.

4. Gravity and Hills

• Gravity’s Effect on Cycling:
  • Uphill: Gravity makes it harder to pedal uphill because you are working against it.
  • Downhill: Gravity helps you go faster downhill.
• Energy Use: Explain how more energy is needed to pedal uphill and less energy is used when coasting downhill.
• Practical Tips:
  • Gear Usage: Using lower gears on uphill and higher gears on flat or downhill.

The Biomechanics of Riding

1. Human-Bike Interaction

• Pedaling Efficiency:
  • Definition: How effectively a rider can convert their energy into motion.
  • Factors Affecting Efficiency: Foot position on the pedals, the smoothness of pedaling, and maintaining a steady rhythm.
• Ergonomics of Bicycle Frames and Riding Positions:
  • Frame Size and Shape: Importance of having a bike frame that fits the rider’s body to avoid discomfort.
  • Riding Position: Discuss how different riding positions (upright vs. leaned forward) affect comfort and speed.
• Practical Tip: How to adjust a bike to fit (seat height, handlebar position).

2. Muscle Work and Efficiency

• Muscle Groups Involved in Cycling:
  • Main Muscles: Legs (quadriceps, hamstrings, and calves), but also mention the core and arms for balance and control.
• Efficiency in Muscle Use:
  • Warm-Up: Importance of warming up muscles to prevent injuries and improve performance.
  • Stamina and Strength: How regular riding improves muscle strength and cardiovascular health.
• Bicycle fitting can improve efficiencies

3. The Role of Gearing

• What is Gearing?:
  • Definition: Gearing is a way to adjust how hard or easy it is to pedal.
  • How Gears Work: Explain the basics of chainrings and cogs and how changing gears changes the resistance felt when pedaling.
• Choosing the Right Gear:
  • Uphill and Downhill Riding: Using lower gears for uphill to make pedaling easier, and higher gears for downhill or flat surfaces to go faster.
  • Cadence: Keeping a steady pedaling speed (cadence) to maintain efficiency.
• Practical Tip: Encourage trying different gears during a ride to find what feels best for different terrains.

 

Hey it’s the direct download link for The Pedalshift Project 360: Mindfulness and Bicycle Travel.

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Have some bike touring or overnight stories to share? Send your pics, audio or a quick tweet – all welcome. Email the show at pedalshift@pedalshift.net or call the lightly-used Pedalshift voicemail line at (202) 930-1109

Mindfulness and Bicycle Travel

1. Introduction to Mindfulness in Bicycle Travel

• Definition of mindfulness in the context of biking
• Importance of being present and enjoying each moment of the ride
• Concepts of self-awareness and non-judgmental observation
• Benefits of mindfulness for enhancing the enjoyment of bike trips

2. Mindful Preparation and Planning

• The role of careful planning and setting intentions for bike trips
• Choosing routes and destinations mindfully
• How mindful planning enhances connection to the adventure

3. Experiencing Joy While Riding

• The practice of being present during bike rides
• Techniques for staying mindful, like deep breathing and sensory attention
• Examples of joyful moments experienced by other cyclists

4. Mindful Encounters with Nature and Culture

• Opportunities for connecting with nature and local communities during rides
• Importance of openness and curiosity in these encounters

5. Overcoming Challenges with Mindfulness

• Facing physical and environmental challenges during bike trips
• Using mindfulness to manage difficult situations calmly
• Stories of cyclists who overcame obstacles through mindfulness

6. Featured Stories

• Story 1: The Hill and the Hawk
• Story 2: Raindrops and Revelations
• Story 3: The Sunset Cycle

Hey it’s the direct download link for The Pedalshift Project 358: The eBike Build Update.

Subscribe/Follow The Pedalshift Project:
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Have some bike touring or overnight stories to share? Send your pics, audio or a quick tweet – all welcome. Email the show at pedalshift@pedalshift.net or call the lightly-used Pedalshift voicemail line at (202) 930-1109

Urban Bike Touring

Planning Your Urban Adventure

– route planning in urban areas.

– researching bike-friendly cities and regions.

– know the area and any rules of paths

Choosing the Right Bike and Gear

– bike and gear choices for urban touring.

– have a flexible setup

– Gear recommendations – locks, lights, and bags

Navigating Cities and Suburbs

– Tips for navigating city streets safely and confidently.

– Discuss bike lanes, bike-sharing programs, and public transportation integration.

– Strategies for dealing with traffic and busy intersections.

Finding Accommodations

– Roofed vs unroofed

-hotels, hostels, rentals, camping.

– Plan ahead vs. staying flexible

Immerse Yourself

– Highlight the unique cultural experiences that urban touring offers.

– Suggestions for exploring local cuisine, art, and events.

– Best experiences – NYC, Tampa, SF, LA, San Diego

Challenges 

– theft concerns and bike security.

– “bad parts of the city” may be real or may be reverse hype

– comfort over all else

Hey it’s the direct download link for The Pedalshift Project 358: The eBike Build Update.

Subscribe/Follow The Pedalshift Project:
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Have some bike touring or overnight stories to share? Send your pics, audio or a quick tweet – all welcome. Email the show at pedalshift@pedalshift.net or call the lightly-used Pedalshift voicemail line at (202) 930-1109

e-Bike Build Update

• Overview of the e-bike build vs. buy decision.
• Experiences and research done in Portland, Oregon, highlighting e-bike focused shops.
  • Special mention of Nomad Cycles for custom bike builds.
• Discussion on the drawbacks of commercially available e-bikes, particularly around proprietary battery systems.
• Attraction to the “Biking Brian” style of massive battery and universal adapters for custom builds.
• Considerations against “chonky” e-bike frames for a sleeker, non-e-bike appearance.
• The decision leaning towards a custom build for its expandability and customization.
• Thoughts on suspension and tire width for e-bike comfort and stability.
• Exploring the option of converting the host’s Safari touring bike into an e-bike.
  • Financial and technical considerations of a DIY build.
  • Potential barriers and required new skills and tools.
• The sentimental value of the Safari bike and the implications of converting it.
• The downsides of rim brakes on an e-bike and the consideration of disc brakes.
• Timing concerns for the build project overlapping with prime touring season.
• Upsides of undertaking the e-bike project: a rewarding challenge, expanding bike mechanic skills, and personalizing the bike.
• Dilemmas between the ease of buying a pre-made e-bike and the appeal of a custom build.
• Future steps: considering all options post upcoming spring tour with the Safari bike.
• Closing thoughts on the e-bike build or buy journey and its implications for the host’s cycling future.
• Mention of Biking Brian’s build video and load management insights.
• Security considerations for e-bikes, particularly battery theft.
• Final reflections on the episode’s discussion and the ongoing decision process.

Hey it’s the direct download link for The Pedalshift Project 357: Space Coast Loop – Takeaways.

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Have some bike touring or overnight stories to share? Send your pics, audio or a quick tweet – all welcome. Email the show at pedalshift@pedalshift.net or call the lightly-used Pedalshift voicemail line at (202) 930-1109

Space Coast Loop – Takeaways

• A Brompton can do just about any kind of touring you throw at it
• Resist the temptation to leave tools at home, even for urban tours
• Best sun management for me – cover up arms and legs, sunscreen face and neck
• Cycling gloves do make a difference
• The rumors are true: upright riding is more comfortable
• The backpack trick is back, baby!
• Never take US192 to cross I4 – it’s not safe
• Cycling into Disney World is fun, and I think I’ll keep doing it
• Central Florida is constantly evolving – some of the trails I ended up on randomly (Shingle Creek Trail opened last year – thanks for the info Fernando!)
• FL C2C trail is A+ but I’m also intrigued with the Heart of FL trail and the St. Johns River to Sea Loop

Hey it’s the direct download link for The Pedalshift Project 356: Space Coast Loop – Part 4.

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Space Coast Loop – Part 4

• An Early Start: Starting in St. Cloud, riding by a nearby farm.
• Route Change: Deciding to take a more direct route including an unfamiliar trail.
• Riding on US 192: Riding on US 192, recalling past experiences.
• Assessing Traffic Conditions: Planning to evaluate safety and traffic near Disney Resort.
• A Mechanical Issue: Facing and resolving a chain jam.
• Discovering and Using Trails: Finding and using multi-use paths and trails.
• Encountering Wildlife and Agriculture: Commenting on cows and agriculture near urban areas.
• Navigating Challenges: US 192 is a bad idea to ride when it crosses I-4!
• Reflecting on Planning vs. Reality: Reflecting on the differences between planning and actual conditions.
• Concluding at Coronado Springs Resort: Ending the day at Coronado Springs Resort, opting for a lift to another location.

Statistics

Miles biked 34.8
Terrible route change ideas 1
Creams in my iced coffee 2
55+ resorts biked by 3? more?
Chain jams 1
Flats 0

Trip Overview

Hey it’s the direct download link for The Pedalshift Project 355: Space Coast Loop – Part 3.

Subscribe/Follow The Pedalshift Project:
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Have some bike touring or overnight stories to share? Send your pics, audio or a quick tweet – all welcome. Email the show at pedalshift@pedalshift.net or call the lightly-used Pedalshift voicemail line at (202) 930-1109

Space Coast Loop – Part 3

• Morning Preparations and Departure
  • Early morning considerations for layer adjustment due to temperature changes.
  • Decision against taking a shortcut due to inferior biking infrastructure, opting for safer, longer routes with better facilities.
• Route and Scenery
  • Travel south of Titusville on Indian River Road, enjoying the views and calm traffic with speed bumps to moderate speed.
  • Encounters with beautiful landscapes, including Spanish moss on trees and scenic river views.
• Supply Stops
  • Initial plan to stop at Walgreens, followed by a successful stop at Publix for supplies.
  • Consumption of sugary drinks and snacks for energy, reflecting on dietary preferences and changes over time.
• Riding Experience
  • Descriptions of varying road conditions, including the impact of headwinds and the strategy for energy management.
  • Observations on traffic behavior, especially around large trucks, and personal safety measures like visibility and lane positioning.
• Accommodation and Rest
  • Arrival at an Airbnb in St. Cloud, highlighting the rural setting with chickens, roosters, and ducks, and the installation of a new bike path enhancing access to the property
  • Reflections on the physical and mental challenges of the day, including the effectiveness of sugar and caffeine against headwinds, and the benefits of music for motivation.
• Planning and Anticipation
  • Planning for the next day’s route with considerations for traffic and personal endurance.
  • Strategic thinking about meal planning, gear management, and the anticipation of a shorter ride day.

Statistics

• Miles biked 59.1
• Sugary drink references 1
• Farm animals observed 200?
• Missed turns 3
• Tears for Fears references 1
• Flats 0

Trip Overview