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Search: Posts Made By: grbaker
Showing results 1 to 11 of 11
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Forum: RC Jets
02-05-2021, 05:20 AM
Replies: 154
Views: 50,311
Posted By grbaker

Werachat I didn't count the blades in your...

Werachat

I didn't count the blades in your fan. That is a Dynamax fan (11 blades) and not a Ramtech.(9 blades)
You can still get Dynamax parts from Tom Cook @ Jet Model Products.
DYNAMAX DUCTED...
Forum: RC Jets
02-04-2021, 09:42 AM
Replies: 154
Views: 50,311
Posted By grbaker

Werachat, PM me your address and I'll send you...

Werachat,
PM me your address and I'll send you some replacement blades
Forum: RC Jets
10-15-2020, 11:48 AM
Replies: 154
Views: 50,311
Posted By grbaker

Gino, On my Phantom the first section of thrust...

Gino,
On my Phantom the first section of thrust tube is 11 " long and starts at 5 1/4 " diameter at the fan and tapers to 5". The second section is 13 1/2" long and tapers from 5" to 4" .My tail...
Forum: RC Jets
10-14-2020, 01:20 PM
Replies: 154
Views: 50,311
Posted By grbaker

Jmp f-4

Gino,
I am currently building a JMP F-4 Phantom (Tom Cook) with twin Dynamax and OS .91VRDFs. I'm afraid you will have to mold your own tailpipes. Most DF kits came with the thrust tubes, and none...
Forum: RC Jets
10-03-2017, 06:04 AM
Replies: 154
Views: 50,311
Posted By grbaker

I do not think Spring Air is in business. The guy...

I do not think Spring Air is in business. The guy that owned and operated Spring Air passed away. I heard his son may try to start it back up, but I have made several attempts to contact them for...
Forum: RC Jets
09-01-2017, 01:40 PM
Replies: 154
Views: 50,311
Posted By grbaker

Just remember to bring your hearing protection if...

Just remember to bring your hearing protection if you're going to get a close look. :o
Forum: RC Jets
09-01-2017, 12:10 PM
Replies: 154
Views: 50,311
Posted By grbaker

As far as I know, OS does not produce the .91...

As far as I know, OS does not produce the .91 VRDF any more and parts are getting scarce. They only made one version, although you could get it with the small head or large, both were exactly the...
Forum: RC Jets
09-01-2017, 09:11 AM
Replies: 154
Views: 50,311
Posted By grbaker

Hopefully, my Grandson will be flying this one at...

Hopefully, my Grandson will be flying this one at the Greater SW next week. JMP Starfire IIb with Dynamax fan and OS .91.
Forum: RC Jets
09-01-2017, 09:02 AM
Replies: 154
Views: 50,311
Posted By grbaker

Remember how fast the screws would vibrate out...

Remember how fast the screws would vibrate out and disappear? :D
Forum: RC Jets
09-01-2017, 07:45 AM
Replies: 154
Views: 50,311
Posted By grbaker

That was a JMP Phantom but not Tom Cook in the...

That was a JMP Phantom but not Tom Cook in the video. It looked like B1Bob.
Forum: RC Jets
08-30-2017, 12:37 PM
Replies: 154
Views: 50,311
Posted By grbaker

Only difference between the large head and small...

Only difference between the large head and small head OS .91 VRDF was the cylinder head. Small head for Dynamax , Ramtec or similar tractor fan. Large head for Byron, Cobra or similar pusher fan.
Showing results 1 to 11 of 11


 
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