Here's my opinion.

Nuetral:
For every 2 seconds of healing a target, you send ammo to your target (small ammo kit)

Pro:
+5% Healing beam range
+10% Faster Ubercharge build rate

On Ubercharge:
Give Medium ammo kits to all team-mates in range (buff banner range)
-50% heal rate to nearby team mates (buff banner range, not heal target. a small health regen-like effect akin to the Amputator's taunt, however a far smaller regen comparatively)
+15% Heal rate on heal target
+15% Sentry gun resistance on heal target

Originally posted by Shade:

Here's my opinion.

Nuetral:
For every 2 seconds of healing a target, you send ammo to your target (small ammo kit)

Pro:
+5% Healing beam range
+10% Faster Ubercharge build rate

On Ubercharge:
Give Medium ammo kits to all team-mates in range (buff banner range)
-50% heal rate to nearby team mates (buff banner range, not heal target. a small health regen-like effect akin to the Amputator's taunt, however a far smaller regen comparatively)
+15% Heal rate on heal target
+15% Sentry gun resistance on heal target

Hmm... what kinda ubercharge is it? I dont think it would make THAT good a medigun... I think it would be too advanced for new players too.

Originally posted by atomiccrafter | trade.tf:

+10 übercharge rate
+10 damage resistance when you're not healing teammates
-5 movement speed
Wearer couldn't heal teammates when been attacked

That would make it useless, because the medic is usually the main target of everyone

Originally posted by ṔᖇI∀ᗩT ᗴ ᕈᗴᘉGU:

Originally posted by Shade:

Here's my opinion.

Nuetral:
For every 2 seconds of healing a target, you send ammo to your target (small ammo kit)

Pro:
+5% Healing beam range
+10% Faster Ubercharge build rate

On Ubercharge:
Give Medium ammo kits to all team-mates in range (buff banner range)
-50% heal rate to nearby team mates (buff banner range, not heal target. a small health regen-like effect akin to the Amputator's taunt, however a far smaller regen comparatively)
+15% Heal rate on heal target
+15% Sentry gun resistance on heal target

Hmm... what kinda ubercharge is it? I dont think it would make THAT good a medigun... I think it would be too advanced for new players too.

I don't necesarily think new players should be considered in a weapon stats thread. Last time they were mentioned, we lost a great map and gamemode.

What great map? What gamemode?

Wait, youre talking about CP_Snowplow, right?
Well it was quite a nice gamemode, i liked the idea.

When I saw the thumbail, I instantly thought, "Reverse Vaccinator". Like, instead of damage resistants, it'll be damage type boosts on the patient. So,stats:

(!) Reload: Cycles through damage boosts. Each boost adds 10% extra base damage to the current patient.
(!) Ubercharge: Adds 75% extra base damage to the current patient, nullifies enemy crits*.

PROS:
+50% Übercharge rate
+Can hold 4 charges

CONS:
-66% ÜberCharge rate on Overhealed patients
-66% Overheal build rate

*What I mean by nullifying crits, I mean ignoring the crit multiplyer. For example, if a soldier fires a critical rocket (which deals 270 dmg), the patient under the ubercharge will only recieve 90dmg. I thought I'd clarify.;)

Dude, that is a very very good idea! I like it! But the thing is, people would get bored if its just another version of the Vaccinator. Maybe add a mini-crit thing, and a ammo thing? So the medic could give ammo and minicrits? That would be very nice. Also, if there maybe was like a shotgun that turned minicrits into crits. THAT would be awesome!

When I saw the name "The Booster Shot", I instantly thought that the theme of this medi-gun should be just that: a stat-booster gun. Basically, it boosts your patient's maximum health, speed, and damage output while you heal him. And to keep it all balanced, the healing and ubercharge build rates were reduced. I think that this version of the Booster Shot is designed to gives you and your patient the initial upper hand in a fire-fight, but requires you to retreat and heal before returning to combat for your next brawl.

PROS
• Increases patient's damage output by 10%
  
• +25% more overheal
  
• +30% overheal duration (i.e. increased to 19.5 seconds)
  
• +5% speed boost for both patient and healer
NEUTRALS
• Ubercharge:
  
  • Patient deals mini-crits
    
  • +50% resistance to all damage types for both patient and healer
    
  • Speed boost increased to +20% for both patient and healer
CONS
• -15% healing rate (i.e. 20 hp/s in combat, 60 hp/s out of combat)
  
• -15% ubercharge build rate (i.e. 2.125% per second, 47 seconds to fully charge)

Another extremely good idea, that came to mind when you look at name/picture. Awesome! I love it!

Passive effect whilst healing:
Medic and patient take 50% less knockback and, if hit with a slowing effect (bonk, natascha etc.), effect lasts half the time.
Patient recieves a +15% faster fire and reload rate
on uber: Speed boost, 40% resistance to all damage, immunity to crits and mini-crits, 150% faster heal rate
-25% uber build rate
-33% overheal build rate
-overheal decays 15% faster

Originally posted by MukPile:

PROS
• Increases patient's damage output by 10%
  
• +25% more overheal
  
• +30% overheal duration (i.e. increased to 19.5 seconds)
  
• +5% speed boost for both patient and healer
NEUTRALS
• Ubercharge:
  
  • Patient deals mini-crits
    
  • +50% resistance to all damage types for both patient and healer
    
  • Speed boost increased to +20% for both patient and healer
CONS
• -15% healing rate (i.e. 20 hp/s in combat, 60 hp/s out of combat)
  
• -15% ubercharge build rate (i.e. 2.125% per second, 47 seconds to fully charge)

I think those stats are just the better ones.
I've always wanted to see a medic capable of doing something like having all 3 soldier banners at once during an ubercharge. Plus, the way you listed it doesn't make it op. Well done.

It should work as a medigun, but is able to charge fire a shot that would work like the crusaders crossbow. Using up a bit of uber each time you fire a shot. I'm thinking 10%. And it would have no ubercharge, other than firing charge shots.

Originally posted by Hyper Beast:

It should work as a medigun, but is able to charge fire a shot that would work like the crusaders crossbow. Using up a bit of uber each time you fire a shot. I'm thinking 10%. And it would have no ubercharge, other than firing charge shots.

That wouldnt be useful. You should just equip the Crusaders Crossbow instead. No ubercharge? Would be completely useless in competitive. Ubercharge is important. i still think

Originally posted by MukPile:

When I saw the name "The Booster Shot", I instantly thought that the theme of this medi-gun should be just that: a stat-booster gun. Basically, it boosts your patient's maximum health, speed, and damage output while you heal him. And to keep it all balanced, the healing and ubercharge build rates were reduced. I think that this version of the Booster Shot is designed to gives you and your patient the initial upper hand in a fire-fight, but requires you to retreat and heal before returning to combat for your next brawl.

PROS
• Increases patient's damage output by 10%
  
• +25% more overheal
  
• +30% overheal duration (i.e. increased to 19.5 seconds)
  
• +5% speed boost for both patient and healer
NEUTRALS
• Ubercharge:
  
  • Patient deals mini-crits
    
  • +50% resistance to all damage types for both patient and healer
    
  • Speed boost increased to +20% for both patient and healer
CONS
• -15% healing rate (i.e. 20 hp/s in combat, 60 hp/s out of combat)
  
• -15% ubercharge build rate (i.e. 2.125% per second, 47 seconds to fully charge)

Is the better idea.

Here's my idea, Replaces Ubercharge with the ability to, after healing team a certian amount, to use medigun on enemy team to leech health from them. And some balancing stats and whatnot.